Bridge in Upper Merion Township

Bridge in Upper Merion Township is a historic stone arch bridge located at Gulph Mills in Upper Merion Township, Pennsylvania. The bridge was built in 1789. It has a single 20 ft span with a width of 34 feet (10.4 m), and an overall length of 100 ft. The bridge crosses Gulph Creek.

It was listed on the National Register of Historic Places in 1988. The Bridge in Upper Mention is, as of August 2021, the fifth-oldest bridge in use in the United States.

In 2021, the bridge structure was repaired and rehabilitated by contractor J.D. Eckman, with 100% funding from the Pennsylvania Department of Transportation, known as PennDOT.