Perkiomen Bridge. Built in 1799, it is one of the oldest bridges still in use in the State. A lottery was authorized by a 1797 law to raise $20,000 for its construction. E Main St. / Ridge Pike (SR 4031 / old U.S. 422) at bridge, Collegeville, PA by Pennsylvania Historical and Museum Commission Colour: blue Wikimedia: Flickr: Google Streetview OpenStreetMap
