West Mifflin, Pennsylvania

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

Lebanon Road Bridge (Allegheny County, Pennsylvania)
Built 1931
Concrete arch bridge over Union Railroad on Lebanon Road in West Mifflin
Open to traffic

Mansfield Bridge (Allegheny County, Pennsylvania)
Built 1951; rehabilitated 1981
Cantilevered through truss bridge over the Monongahela River in Dravosburg
Open to traffic