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Colwell Cut Viaduct

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Coordinates: 40°56′13″N 79°21′47″W / 40.93694°N 79.36306°W / 40.93694; -79.36306
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Colwell Cut Viaduct
Colwell Cut Viaduct, 1982
Colwell Cut Viaduct is located in Pennsylvania
Colwell Cut Viaduct
Colwell Cut Viaduct is located in the United States
Colwell Cut Viaduct
LocationLegislative Route 66 over the Pittsburg and Shawmut Railroad southwest of Seminole, Mahoning Township, Pennsylvania
Coordinates40°56′13″N 79°21′47″W / 40.93694°N 79.36306°W / 40.93694; -79.36306
Arealess than one acre
Built1922
Built byConcrete Steel Bridge Co.
Architectural styleOther, Open-spandrel arch
MPSHighway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR
NRHP reference No.88000796[1]
Added to NRHPJune 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. ^ a b "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  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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