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File:SW PORTAL ELEVATION. - River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hallton, Elk County, PA HAER PA-620-7.tif

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SW PORTAL ELEVATION. - River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hallton, Elk County, PA
Photographer
Lowe, Jet, creator
Title
SW PORTAL ELEVATION. - River Road Bridge, Spanning Spring Creek in Spring Creek Township, Hallton, Elk County, PA
Description
Pratt, Thomas; Pratt, Caleb; Croteau, Todd, project manager; Christianson, Justine, transmitter; Pennsylvania Department of Transportation (PENNDOT), sponsor; Pennsylvania Historical and Museum Commission, sponsor; Vidutis, Richard, historian; Lowe, Jet, photographer
Depicted place Pennsylvania; Elk County; Hallton
Date 2002
Dimensions 5 x 7 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER PA-620-7
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Significance: The River Road Bridge is technologically and historically significant as a rare surviving example of a pin-connected Pratt through truss from the period of circa 1880 to 1910; in Pennsylvania Department of Transportation Engineering District 2-0 there are fewer than twenty documented examples left. The 128.7' structure is one of the most complete and earliest examples of its type and design with original decorative elements. This long version maintains all standard details characterizing a pin-connected Pratt through truss design.

As a vehicular bridge, it is also significant in the history of the Clarion River, which was the main shipping route to Pittsburgh for Elk County's lumber industry centered in Ridgway. Located at Hallton, the launching point for the log and lumber rafts on the Clarion River, the bridge is at the western end of a corridor of wood processing plants along the Clarion River that extended to Ridgway during the late nineteenth century. It is a remnant of that era and represents its technological solution for a water crossing in a rural industrial zone.

  • Unprocessed Field note material exists for this structure: N924
  • Survey number: HAER PA-620
  • Building/structure dates: 1898 Initial Construction
Source https://www.loc.gov/pictures/item/pa3987.photos.205190p
Permission
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Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

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