33rd Street Railroad Bridge

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33rd Street Railroad Bridge
33rd St. RR Bridge.JPG
The downstream side of the 33rd Street Railroad Bridge.
Coordinates 40°27′57″N 79°58′25″W / 40.4657°N 79.9736°W / 40.4657; -79.9736Coordinates: 40°27′57″N 79°58′25″W / 40.4657°N 79.9736°W / 40.4657; -79.9736
Carries Allegheny Valley Railroad (P&W Subdivision)
Crosses Allegheny River
Locale Pittsburgh, Pennsylvania
Other name(s) B&O Railroad Bridge at 33rd Street and Herr's Island
Design Truss bridge
Material steel
Longest span 400 feet (120 m)
Clearance below 44.9 feet (13.7 m)
Opened 1921

The 33rd Street Railroad Bridge is a truss bridge that carries the Allegheny Valley Railroad on the P&W Subdivision over the Allegheny River in downtown Pittsburgh, Pennsylvania, United States.


The Allegheny River was first crossed at this point by a railroad bridge built in 1884 by the Iron City Bridge Works, which moved to Pittsburgh from Cincinnati in 1856.[1]

This was replaced by the B&O bridge in 1921.[2]

See also

List of crossings of the Allegheny River


  1. ^ Cushing (1889). History of Allegheny County. Chicago: A. Warner Co.
  2. ^ "Bridges & Tunnels of Allegheny County and Pittsburgh, PA - 33rd street railroad bridge". August 31, 2001. Retrieved March 5, 2010.

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