Allegheny County, US
The Bridge in Jefferson Borough, which carries Cochran's Mill Road over Lick Run, in Allegheny County, Pennsylvania, is a single arch stone bridge built in 1901. It was listed on the National Register of Historic Places in 1988. Note, it is a different Cochran's Mill, in Armstrong County, which was
the birthplace of Nellie Bly (Elizabeth Jane "Pink" Cochran).
Listen to the audio guide for Bridge in Jefferson Borough Free on WIP — starts by itself when you arrive, even with the screen off