File:Oblique of bridge, looking west from south bank of Allegheny River at lock and dam no. 3. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East HAER PA,2-OAK.V,1-1.tif

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Summary[edit]

Oblique of bridge, looking west from south bank of Allegheny River at lock and dam no. 3. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East of Pennsylvania Turnpike (I-76), Oakmont, Allegheny County, PA
Photographer
Lowe, Jet, creator
Title
Oblique of bridge, looking west from south bank of Allegheny River at lock and dam no. 3. - Bessemer and Lake Erie Railroad, Allegheny River Bridge, Spanning Allegheny River, East of Pennsylvania Turnpike (I-76), Oakmont, Allegheny County, PA
Description
Porter, H T; Larsson, C G, E; American Bridge Company; Arthur McMullan Contracting Company; Bessemer and Lake Erie Railroad; U.S. Steel Corporation; Transtar, Incorporated; DeLony, Eric N, project manager; Pennsylvania Historical and Museum Commission, sponsor; Consolidated Rail Corporation (Conrail), sponsor; Spivey, Justin M, historian; Lowe, Jet, photographer
Depicted place Pennsylvania; Allegheny County; Oakmont
Date 1999
date QS:P571,+1999-00-00T00:00:00Z/9
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,2-OAK.V,1-1
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 bridge was designed by two U.S. Steel subsidiaries - the railroad and the American Bridge Company - as a showpiece for their parent company. This structure not only introduced new silicon steel to American bridge construction, but also helped revive continuous truss design.
  • Unprocessed Field note material exists for this structure: N575
  • Survey number: HAER PA-508
  • Building/structure dates: 1917-1918 Initial Construction
Source https://www.loc.gov/pictures/item/pa3714.photos.361907p
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.

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current05:52, 1 August 2014Thumbnail for version as of 05:52, 1 August 20145,000 × 3,536 (16.86 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 31 July 2014 (3000:3200)

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