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File:TYPE U2 - Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, Christiana, Lancaster County, PA HAER PA,36-CHRIS,1-30.tif

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TYPE U2 - Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, Christiana, Lancaster County, PA
Title
TYPE U2 - Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, Christiana, Lancaster County, PA
Description
Pennsylvania Department of Transportation; Pennsylvania Railroad Company; Philadelphia, Wilmington and Baltimore Railroad; Macomber Associates, Inc, delineator; Yearby, Jean P, historian
Depicted place Pennsylvania; Lancaster County; Christiana
Date Documentation compiled after 1968
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,36-CHRIS,1-30
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.

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Notes
  • Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad expansion, it replaced a timber pony truss bridge. As originally designed, the truss was intended to carry heavy railway loads. In this instance, however, because the bridge was built to carry highway traffic over the railroad, the design was modified to carry a lighter load.
  • Survey number: HAER PA-88
  • Building/structure dates: 1893-1895 Initial Construction
  • Building/structure dates: 1907 Subsequent Work
  • Building/structure dates: 1937 Subsequent Work
  • Building/structure dates: 1952 Subsequent Work
Source https://www.loc.gov/pictures/item/pa1631.photos.134845p
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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current14:17, 30 July 2014Thumbnail for version as of 14:17, 30 July 20145,000 × 3,963 (18.9 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 30 July 2014 (2901:3000)

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