County Bridge No. 171 - Credit: Wikimedia Commons
County Bridge No. 171 - Credit: Wikimedia Commons
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. Note: This includes Read more on Wikipedia
Source: en.wikipedia.org