Colwell Cut Viaduct

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 / 40.93694; -79.36306Coordinates: 40°56′13″N 79°21′47″W / 40.93694°N 79.36306°W / 40.93694; -79.36306
Area less than one acre
Built 1922
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
NRHP reference # 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]

References

  1. 1 2 National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
  2. ↑ "National Historic Landmarks & National Register of Historic Places in Pennsylvania" (Searchable database). CRGIS: Cultural Resources Geographic Information System. Note: This includes T.R. Sitler (July 1982). "National Register of Historic Places Inventory Nomination Form: Colwell Cut Viaduct" (PDF). Retrieved 2012-08-24.


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