Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, Allegheny County, PA

Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela River Public Improvements. Individual site reports related to the Lower Monongahela River Public Improvements can be found at HAER PA-390 through HAER PA-400.

Pennsylvania Railroad Port Perry Bridge was added as a secondary name in 2016 to reflect the historic name of the structure.

Significance: The Port Perry Bridge is a typical example of an early twentieth-century, pin-connected railroad bridge. It was designed by the prolific Engineering Department of Pennsylvania Railroad.

Unprocessed Field note material exists for this structure: N764

Unprocessed Field note material exists for this structure: N1648

Survey number: HAER PA-300

Building/structure dates: 1872- 1874 Initial Construction

Building/structure dates: 1903-1904 Subsequent Work

Building/structure dates: 1937-1938 Subsequent Work

Building/structure dates: 1931 Subsequent Work

steel truss bridges railroad bridges railroad companies transportation port perry conrail port perry bridge conrail port perry bridge monongahela monongahela river allegheny allegheny county pennsylvania pinned joints through trusses parker trusses stone abutments warren trusses deck trusses stone piers steel girders eyebars sean blaire p f brendlinger william h brown justine christianson consolidated rail corporation conrail eric n delony jonathan gill dean herrin historic american engineering record jet lowe christopher h marston pennsylvania railroad virginia and charleston railway pittsburgh frances c robb pittsburgh district us army corps of engineers charles h uhl photo ultra high resolution high resolution infrastructure library of congress

1969 - 1980

Library of Congress

http://www.loc.gov/

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