33rd Street Railroad Bridge
Encyclopedia
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
, USA.
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.
Truss bridge
A truss bridge is a bridge composed of connected elements which may be stressed from tension, compression, or sometimes both in response to dynamic loads. Truss bridges are one of the oldest types of modern bridges...
that carries the Allegheny Valley Railroad
Allegheny Valley Railroad
The Allegheny Valley Railroad is a class III railroad that operates in Western Pennsylvania, and is owned by Carload Express, Inc.AVR acts as a feeder line connecting its many and varied customers to Class I railroads such as CSX Transportation and Norfolk Southern Railway , and regional lines...
on the P&W Subdivision
P&W Subdivision
The P&W Subdivision is a railroad line owned and operated by CSX Transportation, the Allegheny Valley Railroad , and the Buffalo and Pittsburgh Railroad in the U.S. state of Pennsylvania...
over the Allegheny River
Allegheny River
The Allegheny River is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania...
in downtown Pittsburgh, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...
, USA.
History
The Allegheny RiverAllegheny River
The Allegheny River is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the "Point" of Point State Park in Downtown Pittsburgh, Pennsylvania...
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.