The 33rd Street Railroad Bridge is a

truss bridge A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or ...

that carries the

Allegheny Valley Railroad The Allegheny Valley Railroad is a class III railroad that operates in Western Pennsylvania, and is owned by Carload Express, Carload Express, Inc. AVR acts as a feeder line connecting its many and varied customers to Class I railroads such as ...

on the

P&W Subdivision The P&W Subdivision is a railroad line owned and operated by CSX Transportation, the Allegheny Valley Railroad (AVR), and the Buffalo and Pittsburgh Railroad (BPRR) in the U.S. state of Pennsylvania. The line runs from Rankin north through Pittsbu ...

over the

Allegheny River The Allegheny River ( ) is a long headwater stream of the Ohio River in western Pennsylvania and New York (state), New York. The Allegheny River runs from its headwaters just below the middle of Pennsylvania's northern border northwesterly into ...

that connects downtown

Pittsburgh Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...

Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...

Herrs Island, Pittsburgh Herrs Island, also known as Washington's Landing, is an island in the Allegheny River in Pittsburgh in the U.S. state of Pennsylvania. It is officially considered part of the Troy Hill neighborhood. Rehabilitation As a result of the industrial ...

, United States.

History

The

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

References

{{Pittsburgh Bridges Railroad bridges in Pennsylvania Bridges in Pittsburgh Bridges over the Allegheny River Former CSX Transportation bridges Baltimore and Ohio Railroad bridges Bridges completed in 1921 1921 establishments in Pennsylvania Steel bridges in the United States

History

See also

References