Area less than one acre Opened 1922 | Built 1922 Added to NRHP 22 June 1988 | |
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Location Legislative Route 66 over the Pittsburg and Shawmut Railroad southwest of Seminole, Mahoning Township, Pennsylvania Built by Concrete Steel Bridge Co. Architectural style Other, Open-spandrel arch MPS Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR | ||
Colwell Cut Viaduct, also known as Hogback Hill Bridge, is a historic concrete arch bridge located at Mahoning Township in Armstrong County, Pennsylvania. It was built in 1922, and is a 220-foot-long (67 m) three-span bridge, with a 128-foot-long (39 m) main span. It crosses the Pittsburg and Shawmut Railroad.
It was listed on the National Register of Historic Places in 1988.
References
Colwell Cut Viaduct Wikipedia(Text) CC BY-SA