Colwell Cut Viaduct
From Wikipedia, the free encyclopedia
LocationLegislative Route 66 over the Pittsburg and Shawmut Railroad southwest of Seminole, Mahoning Township, Pennsylvania
Arealess than one acre
Built1922
Colwell Cut Viaduct | |
 Colwell Cut Viaduct, 1982 | |
   | |
| Location | Legislative Route 66 over the Pittsburg and Shawmut Railroad southwest of Seminole, Mahoning Township, Pennsylvania |
|---|---|
| Coordinates | 40°56′13″N 79°21′47″W / 40.93694°N 79.36306°W |
| Area | less than one acre |
| Built | 1922 |
| Built by | Concrete Steel Bridge Co. |
| Architectural style | Open-spandrel arch |
| MPS | Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR |
| NRHP reference No. | 88000796[1] |
| Added to NRHP | June 22, 1988 |
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.[2]
It was listed on the National Register of Historic Places in 1988.[1]
