33rd Street Railroad Bridge

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

33rd Street Railroad Bridge
The downstream side of the 33rd Street Railroad Bridge.
Coordinates	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
Characteristics
Design	Truss bridge
Material	Steel
Longest span	400 feet (120 m)
Clearance below	44.9 feet (13.7 m)
History
Opened	1921
Location

History

The Allegheny River was first crossed at this point by a railroad bridge built in 1884^[1] by the Iron City Bridge Works, which moved to Pittsburgh from Cincinnati in 1856.^[2]

This was replaced by the B&O bridge in 1921.^[3]

See also

List of crossings of the Allegheny River