County Bridge No. 171 facts for kids
Quick facts for kids |
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County Bridge No. 171
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County Bridge No. 171, 1982
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 Location in Pennsylvania
Location in the United States
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| Location | Cedar Hollow Road over Valley Creek, Tredyffrin Township, Pennsylvania |
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| 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 |
| Added to NRHP | June 22, 1988 |
County Bridge No. 171 is a special old bridge in Tredyffrin Township, Chester County, Pennsylvania. It's a stone arch bridge that crosses over Valley Creek. This bridge was built a long time ago, in 1907. It's known for its strong stone design and has been an important part of the area for over a hundred years.
What is County Bridge No. 171?
County Bridge No. 171 is a historic bridge that helps people cross Valley Creek. It's made of stone and has a unique design. The bridge is located in Tredyffrin Township, which is in Chester County, Pennsylvania.
How Was the Bridge Built?
This bridge was constructed in 1907. It was built by a company called P.J. McCormick & Sons. They used strong stone materials to make it last.
The bridge has three main sections, called spans. The middle span is the longest, measuring 25 feet. On each side of the main span, there are two shorter spans, each 15 feet long.
The builders used a method called "coursed rubble" for the stone walls. This means the stones were laid in neat, even rows. The arches of the bridge were made with bricks. There's also a contrasting parapet, which is like a low wall along the sides of the bridge.
Why is This Bridge Important?
County Bridge No. 171 is important because it's a great example of old bridge building. It shows how bridges were made over a century ago. Because of its history and design, it was added to the National Register of Historic Places in 1988.
Being on the National Register means the bridge is recognized as a special historical place. It helps protect the bridge so future generations can learn from it.
