Maryland, US
The Poffenberger Road Bridge, near Jefferson, Maryland, is a wrought iron bridge by the Wrought Iron Bridge Company of Canton, Ohio. The bridge is similar to the Fourpoints Bridge elsewhere in Frederick County. The bridge is a single-span double-intersection Pratt truss. It was built circa 1878 and
remains in daily use. It was listed on the National Register of Historic Places in 1978.
Listen to the audio guide for Poffenberger Road Bridge Free on WIP — starts by itself when you arrive, even with the screen off