Chelsea Street Bridge (Suffolk County, Massachusetts)
Built 1900; rehabilitated 1936Bascule bridge over Chelsea River on Chelsea Street in BostonOpen to traffic
Meridian Street Bridge (Suffolk County, Massachusetts)
Built 1954; rehabilitated 2002Bascule bridge over Chelsea River on Meridian Street in BostonOpen to traffic
Tobin Bridge (Suffolk County, Massachusetts)
Built 1950Through truss bridge over Mystic River on Northbound US 1 in BostonOpen to traffic