Category:Bridges in Middlesex County, Massachusetts

• Bridges in Cambridge, Massachusetts (12 C, 19 F)
• Bridges in Lowell, Massachusetts (3 C, 22 F)
• Bridges in Natick (4 C, 7 F)
• Bridges in Newton, Massachusetts (4 C, 31 F)
• Bridges in Waltham, Massachusetts (5 C, 9 F)
• Bridges in Watertown, Massachusetts (3 C, 2 F)
• Bridges in Weston, Massachusetts (13 F)

A

• Alford Street Bridge (12 F)

B

• Blue Heron Bridge (Charles River) (4 F)

C

• Clark Street Bridge (Belmont, Massachusetts) (5 F)
• Cross Street bridge (7 F)

E

• Edward Dana Bridge (1 C, 16 F)

F

• Flint's Bridge (5 F)

H

• Harvard Street bridge reconstruction (136 F)
• High Line bridge (Lowell Line) (1 C, 7 F)

L

• Leverett Circle Connector (1 C, 10 F)

M

• MBTA Framingham/Worcester Line bridge over the Charles River (9 F)
• Mystic River Bridge (Newburyport/Rockport Line) (1 C, 12 F)

N

• New Hampshire Main Line bridge over Mystic Valley Parkway (5 F)
• New Hampshire Main Line bridge over the Mystic River (3 F)
• Newton Lower Falls Branch bridge over the Charles River (5 F)
• Northern Expressway viaduct (68 F)

O

• Old North Bridge (2 C, 98 F)
• Old Town Bridge (Wayland, Massachusetts) (1 C, 6 F)

S

• Stone's Bridge (5 F)

T

• Tyngsborough Bridge (6 F)