Historic Bridges of the U.S.

Allegheny River I-76 Bridge (Allegheny County, Pennsylvania)
Built 1952; rehabilitated 1987
Deck truss bridge over Allegheny River on the Pennsylvania Turnpike (I-76) in Plum
Open to traffic

Delaware River Bridge (Camden County, New Jersey)
Built 1957; rehabilitated 1999
Suspension bridge over Delaware River on I-76 in Gloucester City
Open to traffic

Walt Whitman Bridge (Philadelphia County, Pennsylvania)
Built 1957; rehabilitated 1998
Suspension bridge over Delaware River on I-76 in Philadelphia
Open to traffic