Historic Bridges of the U.S.

Mystic River Bridge (Middlesex County, Massachusetts)
Built 1936
Concrete arch bridge over Mystic River on MA 60 (Medford Street) in Arlington
Open to traffic

Mystic River Bridge (Suffolk County, Massachusetts)
Built 1963
Bascule bridge over Mystic River on MA 99 (Alford Street) in Boston
Open to traffic

Mystic River Bridge (Middlesex County, Massachusetts)
Built 1906
Concrete arch bridge over Mystic River on MA 16 in Medford
Open to traffic

Tobin Bridge (Suffolk County, Massachusetts)
Built 1950
Through truss bridge over Mystic River on Northbound US 1 in Boston
Open to traffic