File:VIEW OF THE UNDERSIDE OF SPAN 8 AND THE NORTHERN SIDE OF BENT 8, LOOKING SOUTH - West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence HAER PA,2-PITBU.V,3-5.tif

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VIEW OF THE UNDERSIDE OF SPAN 8 AND THE NORTHERN SIDE OF BENT 8, LOOKING SOUTH - West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela and Allegheny rivers, Pittsburgh, Allegheny County, PA
Photographer
Shaw, Dan Jr., creator
Title
VIEW OF THE UNDERSIDE OF SPAN 8 AND THE NORTHERN SIDE OF BENT 8, LOOKING SOUTH - West End-North Side Bridge, Spanning Ohio River, approximately 1 mile downstream from confluence of Monongahela and Allegheny rivers, Pittsburgh, Allegheny County, PA
Description
American Bridge Company; Tranter, Henry; Allegheny County Department of Public Works; Foundation Company; GAI Consultants, Incorporated, contractor; Policicchio, Frank, field team; Jones, Gregory S, field team; Prizner, John S, field team; West, Dennis M, field team; Wylie, James H, field team; Knopp, Norma J, field team; Houston, Robert J, project manager; McHugh, William P, project manager; Shaw, Dan, photographer; Shaw, Dan, photographer; Bauman, John, historian
Depicted place Pennsylvania; Allegheny County; Pittsburgh
Date 1985
date QS:P571,+1985-00-00T00:00:00Z/9
Dimensions 4 x 5 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-PITBU.V,3-5
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
  • Photographs cover approach spans only; Ohio River span not shown.
  • Significance: After two decades of agitation by the local business community, the West End-North Side Bridge was completed in 1932 by the American Bridge Company under contract to Allegheny County. The main span is a graceful, 778-foot long, tied-arch structure which employed pre-stressed hangers between the twin arches and the bottom chords. This bridge was placed on the National Register of Historic Places in 1979 for the engineering and aesthetic qualities of the main span. Approaches to the high level main span are by three pony trusses on the south and four pony trusses on the north.
  • Survey number: HAER PA-96
  • Building/structure dates: 1931- 1932 Initial Construction
  • Building/structure dates: 1948 Subsequent Work
  • Building/structure dates: 1955 Subsequent Work
  • Building/structure dates: 1958 Subsequent Work
  • Building/structure dates: 1977 Subsequent Work
References

This is an image of a place or building that is listed on the National Register of Historic Places in the United States of America. Its reference number is 79003143.
Source https://www.loc.gov/pictures/item/pa1732.photos.133139p
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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