// Workers AI · dad joke modeWhat did County Bridge No. 171 say? "I'm connected.
County Bridge No. 171 | |
 County Bridge No. 171, 1982 | |
  Location within Pennsylvania  Location within the United States | |
| 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 |
| Area | less than one acre |
| Built | 1907 |
| Built by | P.J. McCormick & Sons |
| Architectural style | Stone arch |
| MPS | Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation TR |
| NRHP reference No. | 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
[edit]- 1 2 "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ↑ District 6-0 (November 1982). National Register of Historic Places Registration: Pennsylvania MPS County Bridge No. 171. National Archives and Records Administration. Retrieved December 14, 2025.
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