Bessemer & Lake Erie Railroad Bridge

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Bessemer & Lake Erie Railroad Bridge
B&lerr.jpg
Coordinates 40°32′15″N 79°49′15″W / 40.5376°N 79.8209°W / 40.5376; -79.8209Coordinates: 40°32′15″N 79°49′15″W / 40.5376°N 79.8209°W / 40.5376; -79.8209
Carries Canadian National Railway Bessemer and Lake Erie Railroad division
Crosses Allegheny River
Locale Plum, Pennsylvania and Harmar Township, Pennsylvania
Characteristics
Design Truss bridge
Total length 2,327 feet (709 m)
Longest span 502 feet (153 m)
Clearance below 89 feet (27 m)
History
Opened 1918

The Bessemer & Lake Erie Railroad Bridge it is a truss bridge that carries the Canadian National Railway's Bessemer and Lake Erie Railroad division across the Allegheny River between the Pittsburgh suburbs of Plum and Harmar Township, Pennsylvania. In 1897, a single-track trestle and viaduct was built on this site; in 1918, the original piers were doubled in width, the current double-tracked structure built alongside, and then slid into place.[1] The original north trestle approach was buried in slag dumped from an adjacent temporary filling trestle.[2]

See also[edit]

References[edit]

  1. ^ "PGHBridges.com - Bessemer and Lake Erie RR Bridge". March 21, 2003. Retrieved 1 February 2010. 
  2. ^ Spivey, Justin M. (April 2000). "Bessemer & Lake Erie Railroad, Allegheny River Bridge" (PDF). Historic American Engineering Record. Washington, D.C.: Library of Congress. p. 3. Retrieved February 1, 2014. 

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