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File: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

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Detail, anchorage at northeast abutment - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR
Photographer

Related names:

Robinson and Steinman
Wallace Bridge and Structural Steel Company
Gilpin Construction Company
John A. Roebling's Sons Company
Lindstrom and Feigenson
La Pointe Construction Company
O'Connell, Kristen, transmitter
Bennett, transmitter
Norman, James, photographer
Schwab, Leslie, photographer
Title
Detail, anchorage at northeast abutment - St. John's Bridge, Spans Willamette River at US Highway 30, Portland, Multnomah County, OR
Depicted place Oregon; Multnomah County; Portland
Date Documentation compiled after 1968
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 ORE,26-PORT,13-10
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 St. John's Bridge is significant for its design and for its representation among suspension bridges in the Trans-Mississippi West and in Oregon. At the time of its completion, the bridge had the longest span of any suspension bridge west of Detroit. New engineering features introduced in the bridge included the world's tallest steel frame piers of reinforced concrete, constructed in distinctive Gothic arch motif, the first use of lofty steel towers lacking conventional diagonal bracing; incorporation of the longest prestressed steel cable rope strands yet designed; and the first use of reinforced concrete pedestal piles for an anchorage foundation.
  • Unprocessed Field note material exists for this structure: FN-24
  • Unprocessed Field note material exists for this structure: N874
  • Survey number: HAER OR-40
  • Building/structure dates: 1929-1931 Initial Construction
Source https://www.loc.gov/pictures/item/or0307.photos.130780p
Permission
(Reusing this file)
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.
Object location45° 31′ 25″ N, 122° 40′ 30″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current06:59, 2 August 2014Thumbnail for version as of 06:59, 2 August 20143,596 × 5,000 (17.15 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 2014-08-01 2601-2900 missing

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