Category:Cross bracing in bridges

Media in category "Cross bracing in bridges"

The following 156 files are in this category, out of 156 total.

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  100 foot through truss - north west bearing abutment of the second through truss, showing the diagonal sway bracing to its alternate pier. This bearing point is on a concrete HAER CAL,52-CORN.V,1-10.tif 5,000 × 3,996; 19.06 MB
  
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  A VIEW LOOKING NORTHEAST, FROM CARROLL STREET, OF THE SOUTH PORTAL OF THE BRIDGE, THE HEIGHT WARNING MEMBER, GUARD RAILS, VERTICAL AND DIAGONAL MEMBERS AND LATTICE WORK. - Wabash HAER IND,85-WAB,1-8.tif 4,034 × 5,000; 19.24 MB
  
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  Abutment at southeast corner - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-19.tif 5,000 × 3,983; 19 MB
  
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  Anchorage detail - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-12.tif 3,576 × 5,000; 17.05 MB
  
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  Anchorage detail - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-13.tif 3,568 × 5,000; 17.02 MB
  
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  Bailey Bridge Construction Manual.pdf 1,666 × 1,297, 373 pages; 3.77 MB
  
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  Bearing shoe, southwest corner, showing pin through eyebar with intact nuts - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-16.tif 5,000 × 4,028; 19.21 MB
  
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  Below-deck view from west bank - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-2.tif 3,544 × 5,000; 16.9 MB
  
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  Bridge Inspection, Maintenance, and Repair.pdf 1,139 × 1,591, 186 pages; 5.13 MB
  
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  Bridge plate, west tower - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-8.tif 3,578 × 5,000; 17.06 MB
  
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  Center span cable connection with new cable saddles - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-7.tif 5,000 × 3,555; 16.95 MB
  
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  Chelsea Street Bridge Progress, March 12, 2010 (4445683332).jpg 1,984 × 1,488; 228 KB
  
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  Chelsea Street Bridge Progress, March 12, 2010 (4445683336).jpg 1,984 × 1,488; 153 KB
  
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  Chelsea Street Bridge Progress, March 12, 2010 (4445683342).jpg 1,984 × 1,488; 248 KB
  
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  Concrete approach towers from east bank - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-9.tif 3,583 × 5,000; 17.09 MB
  
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  Concrete base to eastern tower - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-5.tif 5,000 × 3,553; 16.94 MB
  
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  Detail along the northwest side of the inside of the bridge showing the pin connection of the vertical in the center of the fourth panel (the centerline of the bridge) with the HAER MD,13-HAV,3-17.tif 3,999 × 5,000; 19.07 MB
  
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  Detail and contextual view of bridge and adjacent farmstead setting. Note laced vertical compression members, latticed portal strut, decorative strut bracing, and lightness of HAER CAL,52-REBLU.V,2-10.tif 5,000 × 4,020; 19.17 MB
  
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  Detail of bottom chord of south truss, showing lower connections - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-15.tif 3,997 × 5,000; 19.06 MB
  
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  DETAIL OF CENTER PANEL POINT WHERE INCLINED COMPRESSION MEMBERS MEET - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-3.tif 3,950 × 5,000; 18.84 MB
  
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  DETAIL OF DIAGONAL BRACING LOOKING WEST - Chehalis River Riverside Bridge, Spanning Chehalis River at State Route 6, Chehalis, Lewis County, WA HAER WASH,21-CHEHA.V,2-8.tif 3,552 × 5,000; 16.94 MB
  
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  DETAIL OF EAST ELEVATION OF PARKER TRUSS SHOWING VERTICAL BEAMS, AND DIAGONAL AND HORIZONTAL BRACING, LOOKING EAST - Wilson Mill Bridge, Spanning Deer Creek at MD Route 161, HAER MD,13-DARL.V,4-14.tif 5,000 × 3,992; 19.04 MB
  
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  DETAIL OF END POST - UPPER CHORD CONNECTION, SHOWING PORTAL STRUT, LATERAL BRACING AND DIAGONAL. VIEW TO NORTHWEST. - Whispering Pines Bridge, Spanning East Verde River at HAER ARIZ,4-PAYS.V,1-13.tif 4,001 × 5,000; 19.08 MB
  
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  Detail of floor beam connection to bottom chord, south truss, east end - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-18.tif 5,000 × 3,988; 19.02 MB
  
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  DETAIL OF JOINTS CONNECTING PORTAL BRACING WITH TOP CHORD AND VERTICAL AND DIAGONAL BRACES OF TRUSS 1, FACING UPWARD - Broad River Bridge, Spanning Broad River at U.S. Highway 29, HAER SC-41-11.tif 5,209 × 4,258; 21.16 MB
  
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  DETAIL OF LOWER CHORD CONNECTION AND FLOOR BRACING LOOKING WEST-SOUTHWEST. - Upper Paris Bridge, Spanning Wapsipinicon River at Sutton Road, Paris, Linn County, IA HAER IOWA,57-PAR.V,1-15.tif 5,000 × 3,993; 19.04 MB
  
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  Detail of N-8, showing flattened rivet - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-12.tif 3,976 × 5,000; 18.96 MB
  
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  DETAIL OF NORTH SIDE SHOWING RAILING, INCLINED ENDPOST, VERTICALS, DIAGONALS AND BRACING, LOOKING WEST - Taylor Bridge, Spanning Middle River at Bayfield Road, Amnicon Falls, HAER WIS,16-AMN.V,1-5.tif 4,039 × 5,000; 19.26 MB
  
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  Detail of north truss, showing center 'A' configuration of members, looking north - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-11.tif 4,002 × 5,000; 19.09 MB
  
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  DETAIL OF NORTHWEST END OF TRUSS, SHOWING INCLINED POST, TOP CHORD AND DIAGONAL BRACING. - North Branch Quantico Creek Bridge, Prince William Forest Park, on NPS Route 406 HAER VA,76-DUMF.V,1-5.tif 5,000 × 3,558; 16.97 MB
  
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  DETAIL OF NORTHWEST UPPER CONNECTION, SHOWING TOP CHORD, END POST, VERTICAL, DIAGONAL, AND TOP PORTAL BRACING - Millgrove Road Bridge, Spanning Little Miami Scenic River at HAER OHIO,83-MOR.V,1-12.tif 4,728 × 3,787; 17.08 MB
  
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  Detail of old rain shed (Building No. 43) showing vertical posts on concrete footing with diagonal timber bracing and wire bracing. - Hawaii Volcanoes National Park Water Collection HAER HI-76-41.tif 4,064 × 5,043; 39.12 MB
  
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  Detail of riveted connection at top chord, inclined end post, portal bracing, vertical, and diagonal. Looking at north side, east end of west span. - Tipp-Elizabeth Road Bridge HAER OHIO,55-TIPCI,1-10.tif 3,995 × 5,000; 19.05 MB
  
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  Detail of riveted connections of top chord, away brace, lateral bracing, vertical, and diagonals. Looking at north side, east span between fourth and fifth panels. - Tipp HAER OHIO,55-TIPCI,1-14.tif 5,000 × 4,017; 19.16 MB
  
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  DETAIL OF SOUTHWEST CORNER (PORTAL) SHOWING END POST, VERTICAL, DIAGONAL AND LOWER PORTAL BRACING, DECORATIVE INFILL - Millgrove Road Bridge, Spanning Little Miami Scenic River HAER OHIO,83-MOR.V,1-10.tif 4,743 × 3,782; 17.11 MB
  
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  DETAIL OF SWAY BRACING LOOKING SOUTHWEST. - Upper Paris Bridge, Spanning Wapsipinicon River at Sutton Road, Paris, Linn County, IA HAER IOWA,57-PAR.V,1-13.tif 5,000 × 4,051; 19.32 MB
  
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  Detail of top chord (north truss, near west end) at N-U-4, showing cast joint cap over post - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester HAER MASS,14-LANC.V,2-14.tif 5,000 × 3,963; 18.9 MB
  
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  DETAIL OF TOP CHORD PORTAL CONNECTION - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-4.tif 3,970 × 5,000; 18.93 MB
  
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  DETAIL OF TRUSS SHOWING TOP AND BOTTOM CHORDS, VERTICAL DECK SUPPORT AND DIAGONAL BRACING. - Roaring Run Bowstring Truss Bridge, Spanning Roaring Run, State Route 657, Bedford, HAER VA,10-BED.V,2-5.tif 5,000 × 3,579; 17.07 MB
  
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  DETAIL OF TYPICAL UPPER CHORD - VERTICAL CONNECTION, SHOWING STRUT, LATERAL BRACING AND DIAGONALS. VIEW TO NORTHEAST. - Whispering Pines Bridge, Spanning East Verde River at HAER ARIZ,4-PAYS.V,1-14.tif 3,986 × 5,000; 19.01 MB
  
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  DETAIL OF UNDERSIDE OF BRIDGE. NOTE TRANSVERSE BEAMS WITH RIVETED UPPER AND LOWER FLANGES AND DIAGONAL BRACING RODS. - South High Street Bridge, South High Street, spanning Little HAER PA-612-9.tif 5,142 × 3,674; 18.02 MB
  
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  DETAIL OF UPPER CHORD INTERSECTION WITH INCLINED ENDPOST, VERTICAL, DIAGONAL AND BRACING, LOOKING NORTH - Taylor Bridge, Spanning Middle River at Bayfield Road, Amnicon Falls, HAER WIS,16-AMN.V,1-8.tif 3,948 × 5,000; 18.83 MB
  
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  DETAIL OF UPPER CHORD INTERSECTION WITH VERTICALS, DIAGONALS, SWAY BRACING AND LATERAL BRACING - Meadow Hill Drive Bridge, Spanning Wilson Creek, Menomonie, Dunn County, WI HAER WIS,17-MENO,1-9.tif 3,988 × 5,000; 19.02 MB
  
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  DETAIL OF UPPER CHORD INTERSECTION WITH VERTICALS, DIAGONALS, SWAY BRACING AND LATERAL BRACING; LOOKING NORTH - Dunnville Bridge, Spanning Red Cedar River at County Trunk Highway HAER WIS,17-DOW.V,1-7.tif 4,085 × 5,000; 19.48 MB
  
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  DETAIL OF VERTICAL AND DIAGONAL BRACING ON NORTH SIDE OF TRUSS 1, FACING NORTHEAST - Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, Cherokee County, SC HAER SC-41-12.tif 4,214 × 5,329; 21.42 MB
  
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  DETAIL OF VERTICAL AND DIAGONAL BRACING ON NORTH SIDE OF TRUSS 4, FACING NORTHEAST - Broad River Bridge, Spanning Broad River at U.S. Highway 29, Gaffney, Cherokee County, SC HAER SC-41-16.tif 4,258 × 5,307; 21.55 MB
  
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  Detail of west side of southwest portal showing the latticed diagonal brace and the hip vertical, pin-connected to the latticed inclined end post directly beneath the riveted HAER MD,13-HAV,3-12.tif 4,000 × 5,031; 19.19 MB
  
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  Detail of west side of southwest portal showing the latticed top chord rivet-connected to the latticed inclined end post and the portal strut; also shown is the webbed portal HAER MD,13-HAV,3-13.tif 5,000 × 4,007; 19.11 MB
  
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  Detail U, connection of south span (west truss), from southwest and below, showing pin connection of U-L vertical, upper chord, lateral bracing, overhead strut, and diagonal HAER PA,12-DRIF.V,1-14.tif 4,035 × 5,000; 19.24 MB
  
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  DETAIL VIEW FROM DECK OF FOUR PANELS OF TRUSSING, SHOWING VERTICAL POSTS, DIAGONALS AND LATERAL BRACING - Scioto Pennsylvania Through Truss Bridge, Spanning Scioto River at HAER OHIO,73-PORT,1-10.tif 3,777 × 4,743; 17.09 MB
  
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  Detail view inside cantilever truss over main channel, showing lower chord and lateral bracing. Note webbing between diagonal eye-bars at right. Pennsylvania Turnpike Bridge in HAER PA,2-OAK.V,1-7.tif 3,557 × 5,000; 16.96 MB
  
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  DETAIL VIEW LOOKING NORTH SHOWING WOODEN DECK AND UPPER CHORD CROSS BRACING - Poffenberger Road Bridge, Spanning Catoctin Creek, Middletown, Frederick County, MD HAER MD,11-MIDTO.V,1-5.tif 3,662 × 4,586; 16.02 MB
  
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  DETAIL VIEW OF BRIDGE DECK, SHOWING VERTICALS, DIAGONALS AND UPPER CHORDS, LOOKING NORTHWEST - Waverly Junction Bridge, Spanning Shell Rock River at Country Road, Waverly, HAER IOWA,9-WAVR.V,1-7.tif 3,898 × 4,907; 18.24 MB
  
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  Detail view of bridge, showing thin diagonal eyebars in tension and heavy channel beams with riveted bracing in compression - Orient Bridge, Spanning Kettle River at Richardson HAER WASH,10-ORI,1-10.tif 4,005 × 5,000; 19.1 MB
  
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  DETAIL VIEW OF DECK, SHOWING TYPICAL VERTICAL AND DIAGONALS, LOOKING SOUTHWEST - Waverly Junction Bridge, Spanning Shell Rock River at Country Road, Waverly, Bremer County, IA HAER IOWA,9-WAVR.V,1-14.tif 3,918 × 4,894; 18.29 MB
  
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  DETAIL VIEW OF HIP CONNECTION AND NORTH PORTAL BRACING LOOKING WEST. - Upper Paris Bridge, Spanning Wapsipinicon River at Sutton Road, Paris, Linn County, IA HAER IOWA,57-PAR.V,1-12.tif 5,000 × 3,976; 18.96 MB
  
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  DETAIL VIEW OF INCLINED END POST, TOP CHORD, HIP VERTICAL, PORTAL STRUT, PORTAL BRACING, AND DIAGONAL AT WEST END, NORTH TRUSS - Chester Bridge, Spanning Rock River on Old Marsh HAER WIS,14-CHES,1-7.tif 4,993 × 3,971; 18.91 MB
  
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  DETAIL VIEW OF PORTAL STRUT, INCLINED END POST, HIP VERTICAL, TOP LATERALS, AND DIAGONAL BRACING, LOOKING NORTHEAST - Liberty Memorial Bridge, Spanning Missouri River at I-94, HAER ND,8-BISMA,2-14.tif 5,000 × 3,989; 19.02 MB
  
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  DETAIL VIEW OF RIVETED JOINT CONNECTION AT UPPER CHORD OF TRUSS, SHOWING INTERSECTION OF STRUTS, LATERAL BRACING, DIAGONALS, VERTICAL MEMBER AND UPPER CHORD - Seddon Island HAER FLA,29-TAMP,21-15.tif 4,064 × 5,036; 19.52 MB
  
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  DETAIL VIEW OF TOWER SHOWING CROSS BRACING AND RIVETS - San Francisco Oakland Bay Bridge, Spanning San Francisco Bay, San Francisco, San Francisco County, CA HAER CAL,38-SANFRA,141-14.tif 5,031 × 4,004; 19.21 MB
  
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  DETAIL VIEW OF UPPER CHORD ON 1886 TRUSS, SHOWING ENDPOST, PORTAL STRUT, LATERAL BRACING, HIP VERTICAL AND DIAGONAL, LOOKING NORTHEAST - Sixth Street Viaduct, Spanning HAER IOWA,29-BURL,6-15.tif 4,016 × 5,000; 19.15 MB
  
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  DETAIL VIEW OF UPPER CHORD ON 1886 TRUSS, SHOWING TYPICAL VERTICAL, STRUT, LATERAL BRACING AND DIAGONAL, LOOKING SOUTHEAST - Sixth Street Viaduct, Spanning Burlington Northern HAER IOWA,29-BURL,6-16.tif 3,998 × 5,000; 19.07 MB
  
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  DETAIL VIEW OF UPPER CHORD PORTAL CONNECTION LOOKING UP FROM BRIDGE DECK. THE DECORATIVE FEATURES OF THE PORTAL BRACING ARE ALSO SHOWN - Poffenberger Road Bridge, Spanning HAER MD,11-MIDTO.V,1-7.tif 4,531 × 3,611; 15.61 MB
  
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  DETAIL VIEW SHOWING HIP VERTICAL, LOWER CHORD, DIAGONAL BRACING, MIDDLE OF NORTH TRUSS - Marathon City Bridge, Spanning Big Rib River, on state Trunk Highway 107, Marathon, HAER WIS,37-MARA,1-7.tif 3,794 × 4,730; 17.12 MB
  
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  DETAIL VIEW, FROM THE WEST, NORTH SIDE, OF 4TH AND 5TH PANELS, SHOWING TYPICAL TOP CHORD, VERTICALS, DIAGONALS AND LATTICE BRACING - Milford Bridge, Spanning Little Miami River HAER OHIO,31-MILF,3-9.tif 4,006 × 5,000; 19.1 MB
  
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  DETAIL VIEW, SHOWING VERTICAL, TOP CHORD, DIAGONAL, AND INTERMEDIATE BRACING - Kennan-Jump River Bridge, Spanning South fork of Jump River on County Highway "N", Kennan, Price HAER WIS,50-KEN,1-11.tif 3,966 × 4,998; 18.91 MB
  
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  Detail, anchorage at northeast abutment - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-10.tif 3,596 × 5,000; 17.15 MB
  
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  Detail, connection point of upper chord and end post, showing aforementioned members, vertical and diagonal tension members, lateral, latticed portal strut and decorative HAER CAL,52-REBLU.V,2-14.tif 5,000 × 3,985; 19 MB
  
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  Detail, interior view of eastern portal - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, HAER ORE,20-SPRIF,2-5.tif 3,528 × 5,000; 16.83 MB
  
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  Detail, lower chord from northeastern abutment - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane HAER ORE,20-SPRIF,2-9.tif 3,659 × 5,000; 17.45 MB
  
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  Detail, lower chord pin connections - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2-7.tif 5,000 × 3,602; 17.18 MB
  
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  Detail, lower chord pin connections at central panel - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield HAER ORE,20-SPRIF,2-10.tif 3,536 × 5,000; 16.86 MB
  
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  Detail, lower chord, looking west from southeastern abutment - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), HAER ORE,20-SPRIF,2-8.tif 3,576 × 5,000; 17.05 MB
  
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  Detail, prestressed cables, northeast anchorage - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR HAER ORE,26-PORT,13-11.tif 5,000 × 3,593; 17.14 MB
  
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  Detail, skewed portal bracing at west portal, also showing boxed endposts, latticed upper transverse and diagonal sway bracing, laced vertical members, view to northeast, 210mm HAER CAL,45-POFLT.V,1-8.tif 5,000 × 3,960; 18.89 MB
  
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  Detail, U, connection of south span (west truss), from southeast and below, showing pin connection at vertical member U-L top chord, inclined endpoint U-L diagonal eyebars, and HAER PA,12-DRIF.V,1-13.tif 5,000 × 4,048; 19.31 MB
  
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  DETAIL, U, CONNECTION, FROM BELOW AND WEST, SHOWING PIN-CONNECTION AT VERTICAL MEMBER U,-L,, TOP CHORD, INCLINED ENDPOST, LATERAL BRACING, AND DIAGONAL - River Road Bridge, HAER MD,12-GRANT.V,2-11.tif 4,118 × 5,104; 20.05 MB
  
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  DETAIL, U1 CONNECTION (NORTH TRUSS), FROM SOUTHWEST AND BELOW, SHOWING PIN CONNECTION AT VERTICAL MEMBER U1-L1, TOP CHORD, INCLINED ENDPOST U1-L0, DIAGONAL EYEBAR RODS, AND HAER VA,20-CLARK.V,1-13.tif 3,944 × 5,000; 18.81 MB
  
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  DETAIL, U1 JOINT, FROM BELOW AND SOUTH, SHOWING RIVETED CONNECTION, AND INTERSECTION OF END POST, VERTICAL, DIAGONAL AND UPPER CHORD MEMBERS AND LATERAL BRACING - Glendale Road HAER MD,12-MHEN.V,1-13.tif 3,992 × 5,000; 19.04 MB
  
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  DETAIL, U2 CONNECTION (NORTH TRUSS), FROM SOUTHWEST AND BELOW, SHOWING PIN CONNECTION OF U2-L2 VERTICAL, UPPER CHORD, LATERAL BRACING, OVERHEAD STRUT, AND DIAGONAL EYEBAR ROD - HAER VA,20-CLARK.V,1-14.tif 4,042 × 5,000; 19.28 MB
  
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  DETAIL, U3 CONNECTION, FROM BELOW AND NORTHWEST, SHOWING PIN-CONNECTION AT VERTICAL MEMBER U3-L3, TOP CHORD, DIAGONAL AND LATERAL BRACING - River Road Bridge, Crossing HAER MD,12-GRANT.V,2-12.tif 4,057 × 5,112; 19.78 MB
  
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  DETAIL, U3 JOINT, FROM BELOW AND SOUTH, SHOWING RIVETED CONNECTION, AND INTERSECTION OF TOP CHORD, VERTICAL U3-L3, DIAGONALS, AND LATERAL BRACING INCLUDING DOUBLE ANGLES WITH HAER MD,12-MHEN.V,1-14.tif 4,076 × 5,000; 19.44 MB
  
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  DETAIL, U4 AND U3 PIN CONNECTIONS (NORTHEAST TRUSS) FROM BELOW AND SOUTH, SHOWING INCLINED SOUTHEAST PORTAL ENDPOST U4-L5, HIP VERTICAL U4-L4, VERTICAL POST U3-L3, EYEBAR HAER VA,77-NOKV.V,1-15.tif 3,873 × 5,000; 18.47 MB
  
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  Detail, underside from southeast - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2-15.tif 5,000 × 3,564; 17 MB
  
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  DETAIL, UPPER JOINTS AND BRACING - South Street Bridge, Spans Pennsylvania Avenue, Wilkes-Barre Boulevard, Pocono Northeast Railroad, Wilkes-Barre, Luzerne County, PA HAER PA,40-WILB,6-13.tif 5,000 × 3,954; 18.86 MB
  
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  DETAIL, VIEW OF PORTAL BRACING. - Old Mill Road Bridge, Spanning Owens Creek on Old Mill Road, Rocky Ridge, Frederick County, MD HAER MD,11-ROCRI.V,1-5.tif 4,559 × 3,606; 15.68 MB
  
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  Detail, view to northwest of north portal of truss, showing laced vertical compression members, latticed soffit of end posts, diagonal tension members, upper chord, and upper HAER CAL,50-RIVBA.V,1-24.tif 3,989 × 5,000; 19.02 MB
  
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  Details of railroad truss-bridges (1910) (14780713333).jpg 1,992 × 2,970; 682 KB
  
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  East portal from deck, looking east - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-8.tif 5,000 × 4,044; 19.29 MB
  
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  Eastern portal from middle of span - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2-4.tif 3,553 × 5,000; 16.94 MB
  
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  Eastern portal, looking west - Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2-1.tif 3,551 × 5,000; 16.93 MB
  
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  Electric railway journal (1913) (14571764179).jpg 1,576 × 852; 139 KB
  
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  Endpost detail, showing connection with top chord and diagonals - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-13.tif 3,977 × 5,000; 18.97 MB
  
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  FM-5-25-Explosives-and-Demolitions-1967.pdf 770 × 1,245, 186 pages; 8.92 MB
  
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  FM-5-250-Explosives-and-Demolitions-1992.pdf 1,287 × 1,656, 274 pages; 8.8 MB
  
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  Forth Bridge - Fife superstructure from sea shore.jpg 2,500 × 1,878; 3.21 MB
  
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  Forth Bridge - Inchgarvie superstructure at full height.jpg 2,500 × 1,841; 3.57 MB
  
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  Forth Bridge - Superstructure, Fife, 15 Sept. 1886.jpg 2,500 × 1,855; 4.1 MB
  
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  Forth Bridge - Superstructure, North Side.jpg 2,500 × 1,861; 3.88 MB
  
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  Forth Bridge construction- Fife superstructure from sea shore (5180817447).jpg 600 × 451; 44 KB
  
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  Forth Bridge construction- Inchgarvie superstructure at full height (5181440272).jpg 600 × 442; 45 KB
  
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  Forth Bridge construction- Superstructure, Fife, 15 Sept. 1886 (5180817147).jpg 600 × 445; 65 KB
  
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  Forth Bridge construction- Superstructure, North Side (5181416698).jpg 600 × 447; 59 KB
  
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  FOURTH VERTICAL MEMBER, UPPER AND LOWER CHORD, FLOOR BEAM AND COUNTER DIAGONAL BRACING - Parker Bridge, Spanning Verdigris River 1.5 miles Southeast of Coffeyville, Coffeyville HAER KANS,63-COF.V,1-20.tif 4,895 × 3,908; 18.25 MB
  
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  General deck view, showing steel grating deck, posts, diagonals, upper chords and lateral bracing. - Seven Mile Bridge, Linking Florida Keys, Marathon, Monroe County, FL HAER FLA,44-KNIKE,1-10.tif 5,047 × 4,026; 19.38 MB
  
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  General deck view, showing vertical, diagonal, sway and upper lateral bracing. - Seven Mile Bridge, Linking Florida Keys, Marathon, Monroe County, FL HAER FLA,44-KNIKE,1-9.tif 5,068 × 4,085; 19.75 MB
  
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  General view from center of span, looking toward east portal - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-7.tif 5,000 × 3,992; 19.04 MB
  
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  General view of Bayside Cannery from Hope Street, facing south. - Bayside Cannery, 1290 Hope Street, Alviso, Santa Clara County, CA HABS CAL,43-ALVI,1-5.tif 5,000 × 3,973; 18.95 MB
  
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  General view of east portal elevation, looking west - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-6.tif 5,000 × 4,001; 19.08 MB
  
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  General view of east portal from cherry picker, looking northwest - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-5.tif 5,000 × 3,961; 18.89 MB
  
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  GENERAL VIEW OF FLOOR SYSTEM AND LATERAL BRACING LOOKING SOUTH. - Upper Paris Bridge, Spanning Wapsipinicon River at Sutton Road, Paris, Linn County, IA HAER IOWA,57-PAR.V,1-6.tif 5,000 × 3,972; 18.94 MB
  
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  General view of north truss from deck, looking east - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-10.tif 5,000 × 3,993; 19.04 MB
  
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  General view of the Bayside Cannery and adjacent warehouse from Hope Street, facing north. - Bayside Cannery, 1290 Hope Street, Alviso, Santa Clara County, CA HABS CAL,43-ALVI,1-4.tif 5,000 × 4,014; 19.14 MB
  
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  General view of the Bayside Cannery and the Chinese Dormitory Building from Alviso Marina County Park, facing south. - Bayside Cannery, 1290 Hope Street, Alviso, Santa Clara HABS CAL,43-ALVI,1-2.tif 5,000 × 3,995; 19.05 MB
  
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  General view of the Bayside Cannery from Alviso Marina County Park, facing southwest. - Bayside Cannery, 1290 Hope Street, Alviso, Santa Clara County, CA HABS CAL,43-ALVI,1-1.tif 5,000 × 3,965; 18.91 MB
  
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  General view of the Bayside Cannery, Cannery Office and the Chinese Dormitory Building from Elizabeth Street, facing west. - Bayside Cannery, 1290 Hope Street, Alviso, Santa Clara HABS CAL,43-ALVI,1-3.tif 5,000 × 4,012; 19.13 MB
  
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  General view of the interior of the Bayside Cannery, original office (currently a classroom) and storage areas, facing southeast. - Bayside Cannery, 1290 Hope Street, Alviso, HABS CAL,43-ALVI,1-23.tif 5,000 × 3,991; 19.03 MB
  
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  GENERAL VIEW OF TOP CHORD, VERTICALS, DIAGONALS AND LATERAL BRACING TAKEN FROM BRIDGE DECK - Riverside Avenue Bridge, Riverside Avenue over Northeast Corridor Railroad right-of HAER CONN,1-GREWI,1-7.tif 5,229 × 3,751; 18.71 MB
  
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  GENERAL VIEW SHOWING TRUSS AND MASONRY ABUTMENTS, LOOKING DOWNSTREAM - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-2.tif 5,000 × 3,978; 18.97 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 1 of 4).png 17,638 × 13,696; 9.48 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 1 of 4).tif 17,638 × 13,696; 1.79 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 2 of 4).png 17,636 × 13,696; 11.55 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 2 of 4).tif 17,636 × 13,696; 3.95 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 3 of 4).png 17,642 × 13,696; 9.34 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 3 of 4).tif 17,642 × 13,696; 1.77 MB
  
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  Hayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 4 of 4).tif 17,630 × 13,696; 1.44 MB
  
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  INCLINED END POST - VERTICAL - DIAGONAL - PORTAL BRACING DETAIL. VIEW TO SOUTHEAST. - Abraham Lincoln Memorial Bridge, Spanning Missouri River on Highway 30 between Nebraska HAER NEB,89-BLAIR.V,2-23.tif 3,976 × 4,979; 18.88 MB
  
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  InkedHayden Bridge, Spanning McKenzie River at Southern Pacific Railroad (moved from Springfield, Lake County, OR), Springfield, Lane County, OR HAER ORE,20-SPRIF,2- (sheet 1 of 4) LI (maps).png 12,870 × 7,226; 756 KB
  
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  INTERIOR OF SOUTH SPAN- DETAIL OF UPPER CHORD INTERSECTION WITH SWAY BRACING, VERTICALS, AND DIAGONALS; LOOKING NORTHWEST - Shaw Farm Bridge, Spanning Chippewa River at County HAER WIS,54-ISLA.V,1-7.tif 5,000 × 3,979; 18.98 MB
  
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  INTERIOR VIEW, NE, OF PANELS AND INCLINED END POST SHOWING DIAGONAL BRACING IN UPPER CHORD AND DIAGONALS IN PANELS. - Slates' Mill Bridge, Township Road 439 spanning South Branch of HAER PA-615-6.tif 3,734 × 5,166; 18.4 MB
  
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  Looking NW at the underside of the structure. Note the transverse floor beams, the longitudinal stringers supporting the timber deck, and the metal strap diagonal bracing. - HAER CONN,1-WESPO,6-11.tif 5,106 × 4,067; 19.81 MB
  
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  Oblique view of upstream side of Bridge Number 301.85, also showing underfloor deck hangers and diagonal bracing, view to east-northeast, 90mm lens. - Southern Pacific Railroad HAER CAL,45-POFLT.V,1-4.tif 5,000 × 3,987; 19.01 MB
  
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  Popular science monthly (1872) (14782724982).jpg 1,829 × 2,640; 486 KB
  
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  R-SR Pier Seismic Reconstruction Compared.png 1,288 × 926; 2.36 MB
  
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  Southeast endpost, looking south - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-9.tif 3,987 × 5,000; 19.01 MB
  
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  Steel Treadway M2 Bridge Manual 1944 TM5-272.pdf 1,035 × 1,564, 76 pages; 31.23 MB
  
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  THIRD VERTICAL MEMBER, UPPER AND LOWER CHORD, FLOOR BEAM AND COUNTER DIAGONAL BRACING - BOWSTRING TRUSS - Parker Bridge, Spanning Verdigris River 1.5 miles Southeast of HAER KANS,63-COF.V,1-17.tif 4,858 × 3,869; 17.93 MB
  
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  Typical top chord, vertical lattice, diagonal bracing and bottom chord assembly. View is of south side of center panels of 4th span. - Cleves Bridge, Spanning Great Miami HAER OHIO,31-CLEVS.V,1-26.tif 5,000 × 4,030; 19.22 MB
  
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  Underside of deck, looking west, showing beams and cross-bracing - Ponakin Road Bridge, Spanning Nashua River on Ponakin Road, Lancaster, Worcester County, MA HAER MASS,14-LANC.V,2-17.tif 3,983 × 5,000; 19 MB
  
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  VERTICAL - DIAGONAL - PORTAL BRACING DETAIL OF CANTILEVER ARM. VIEW TO NORTH. - MacArthur Bridge, Spanning Mississippi River on Highway 34 between IA and IL, Burlington, Des HAER IOWA,29-BURL,7-38.tif 4,015 × 5,000; 19.15 MB
  
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  VERTICAL AND DIAGONAL BRACING, UPPER CHORD - BOWSTRING TRUSS - Parker Bridge, Spanning Verdigris River 1.5 miles Southeast of Coffeyville, Coffeyville, Montgomery County, KS HAER KANS,63-COF.V,1-5.tif 4,871 × 3,859; 17.93 MB
  
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  VIEW LOOKING SOUTHWEST OF NORTH PONY TRUSS; SHOWING INCLINED END POST, HIP VERTICAL, VERTICAL POSTS, DIAGONALS, AND COUNTER BRACING - Boyleston Bridge, Spanning Skunk River, HAER IOWA,44-JACTOS,1-20.tif 4,916 × 3,914; 18.35 MB
  
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  VIEW OF CONNECTION FOR DIAGONAL BRACING ROD BETWEEN CROSSBEAMS, LOOKING WEST - Lenox Bridge, Spanning Obion River, Rural Road S8025, Lenox, Dyer County, TN HAER TENN,23-LEN.V,1-14.tif 5,000 × 3,988; 19.02 MB
  
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  View of connection to top chord, diagonals, verticals, lateral bracing, struts and spandrels. Looking at south side, east end of west span. This is typical of all diagonaland HAER OHIO,57-FARMV.V,1-9.tif 5,000 × 4,012; 19.13 MB
  
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  VIEW OF DECK OF BRIDGE, SHOWING VERTICALS, UPPER CHORDS, DIAGONALS AND UPPER LATERAL BRACING, LOOKING SOUTH - Bevington Bridge, Spanning Middle River at Warren Street, Bevington, HAER IOWA,61-BEV,1-9.tif 4,003 × 5,000; 19.09 MB
  
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  VIEW OF SOUTH SIDE OF BRIDGE, WEST END, SHOWING TYPICAL TOP CHORD, VERTICAL AND DIAGONAL MEMBERS, AND BRACING - Milford Bridge, Spanning Little Miami River on U.S. 50, Milford, HAER OHIO,31-MILF,3-4.tif 5,000 × 4,060; 19.36 MB
  
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  VIEW OF SOUTHERN HALF OF BRIDGE, EAST SIDE, SHOWING TYPICAL CONNECTION OF TOP CHORD, VERTICALS AND DIAGONAL MEMBER ASSEMBLY, AND LATTICE BRACING - Milford Bridge, Spanning Little HAER OHIO,31-MILF,3-6.tif 4,060 × 5,000; 19.36 MB
  
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  VIEW OF TOP CHORD CONNECTION, SHOWING DIAGONAL AND VERTICAL WEB MEMBERS AND TOP LATERAL BRACING, SOUTHEAST SPAN, LOOKING NORTHEAST - Linden Avenue Bridge, Spanning Purgatoire HAER COLO,36-TRIN,4-13.tif 4,955 × 3,934; 18.59 MB
  
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  VIEW OF TOP CHORD, STRUT, PANEL VERTICAL, DIAGONALS, AND TOP LATERAL BRACING, LOOKING WEST - Chester Bridge, Spanning Rock River on Old Marsh Road, East Waupun, Dodge County, WI HAER WIS,14-CHES,1-3.tif 5,000 × 3,999; 19.07 MB
  
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  VIEW OF UNDERSIDE OF BRIDGE, SHOWING LOWER CHORDS, DECK BEAMS, STRINGERS AND DIAGONAL BRACING - Old Colerain Pennsylvania Through Truss Bridge, Spanning Great Miami River at HAER OHIO,31-ROSS.V,1-4.tif 3,792 × 4,738; 17.14 MB
  
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  VIEW OF VERTICAL POST AND DIAGONAL BRACING - Bridge No. 18, Spanning Kickapoo River, La Farge, Vernon County, WI HAER WIS,62-LAFA.V,1-5.tif 4,003 × 4,993; 19.06 MB
  
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  VIEW OF VERTICAL POST AND DIAGONAL BRACING - State Highway Bridge No. 16, Spanning Kickapoo River, La Farge, Vernon County, WI HAER WIS,62-LAFA.V,2-9.tif 3,998 × 4,998; 19.06 MB
  
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  VIEW OF VERTICAL, TOP CHORD, DIAGONALS, AND SWAY BRACING - Blue Rock Road Bridge, Spanning Great Miami River, New Baltimore, Hamilton County, OH HAER OHIO,31-NEBAL.V,1-10.tif 4,056 × 5,000; 19.34 MB
  
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  View towards upper chord of truss showing pin connection, eye-bars, sway bracing, upper struts, posts and diagonal bracing. (Nov. 25, 1988) - University Heights Bridge, Spanning HAER NY,31-NEYO,178-12.tif 4,027 × 5,000; 19.2 MB
  
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  VIEW UNDERNEATH BRIDGE, SHOWING DECK BEAMS, STRINGERS AND DIAGONAL BRACING WITH ABUTMENT IN BACKGROUND - Fosnaugh Truss Leg Bedstead Bridge, Spanning Scippo Creek at Township HAER OHIO,23-STOVI.V,1-6.tif 4,713 × 3,787; 17.02 MB
  
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  View, from south showing verticals, diagonals, and overhead bracing of south span Pratt through trusses, south portal of north span, pipe rails and posts, and concrete deck with HAER PA,12-DRIF.V,1-12.tif 4,030 × 5,000; 19.22 MB