Historic Bridges of the U.S. | Youghiogheny River

Boston Bridge (Allegheny County, Pennsylvania)
Built 1931; rehabilitated 1989
Through truss bridge over Youghiogheny River on Walnut Street
Open to traffic

Jerome Street Bridge (Allegheny County, Pennsylvania)
Built 1937 by the Fort Pitt Bridge Works; rehabilitated 1988
Steel through arch bridge over Youghiogheny River on Jerome Street in McKeesport
Open to traffic

Layton Bridge (Fayette County, Pennsylvania)
Built 1892; rehabilitated 1984
Through truss bridge over Youghiogheny River on PA 4038
Open to traffic

Somerfield Dam Bridge (Fayette County, Pennsylvania)
Built 1946
Deck truss bridge over Youghiogheny River on US 40
Open to traffic

West Newton Bridge (Westmoreland County, Pennsylvania)
Built 1907; rehabilitated 1984
Through truss bridge over Youghiogheny River on PA 136 in West Newton
Open to traffic