County Bridge No. 171

County Bridge No. 171
U.S. National Register of Historic Places

County Bridge No. 171, 1982

Location	Cedar Hollow Road over Valley Creek, Tredyffrin Township, Pennsylvania
Coordinates	40°3′12″N 75°30′3″W / 40.05333°N 75.50083°W / 40.05333; -75.50083Coordinates: 40°3′12″N 75°30′3″W / 40.05333°N 75.50083°W / 40.05333; -75.50083
Area	less than one acre
Built	1907
Built by	McCormick, P.J., & Sons
Architectural style	Other, Stone arch
MPS	Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR
NRHP Reference #	88000762^[1]
Added to NRHP	June 22, 1988

County Bridge No. 171 is a historic stone arch bridge located in Tredyffrin Township, Chester County, Pennsylvania. It spans Valley Creek. It has three spans; the main span is 25 feet long and flanked by two 15-feet long spans. The bridge was constructed in 1907, of coursed rubble with brick arch rings and a contrasting parapet.^[2]

It was listed on the National Register of Historic Places in 1988.^[1]

References

1 2 Staff (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
↑ "National Historic Landmarks & National Register of Historic Places in Pennsylvania" (Searchable database). ARCH: Pennsylvania's Historic Architecture & Archaeology. Retrieved 2012-11-02. Note: This includes District 6-0 (November 1982). "Pennsylvania Historic Resource Survey Form: County Bridge No. 171" (PDF). Retrieved 2012-10-08.

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