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Middlesex County

Abandoned Wooden Train Bridge [Map]
Abandoned timber stringer bridge over Concord River on Abandoned rail line in Lowell
Abandoned

Aiken Street Bridge [Map · Street View]
Five-span through truss bridge over Merrimack River on Aiken Street in Lowell
Open to traffic
Built 1883 by the Corrugated Metal Co. (Berlin Iron Bridge Co.)

Anderson Memorial Bridge [Map]
Closed-spandrel arch bridge over Charles River on North Harvard Street
Open to traffic
Built 1915

Andover Road Bridge [Map]
Wooden bridge over MBTA/BMRR on Andover Road in Billerica
Open to traffic
Built 1927; rehabilitated 1980

Assabet River Bridge [Map]
Concrete arch bridge over Assabet River on MA 2 (Elm Street) in Concord
Open to traffic
Built 1904; rehabilitated 1934

Assabet River Bridge [Map]
Stone arch bridge over Assabet River on MA 62 (Main Street) in Concord
Open to traffic
Built 1886; rehabilitated 1902

Assabet River Bridge [Map]
Stone arch bridge over Assabet River on MA 85 (Washington Street) in Hudson
Open to traffic
Built 1900; rehabilitated 1940

Assabet River Bridge [Map]
Stone arch bridge over Assabet River on MA 117 (Great Road) in Maynard
Open to traffic
Built 1900; rehabilitated 1922

Beaver Brook East Stream Bridge [Map]
Stone arch bridge over Beaver Brook East Stream on MA 113 (Pleasant Street) in Dracut
Open to traffic
Built 1850; rehabilitated 1921

Beaver Brook West Stream Bridge [Map]
Stone arch bridge over Beaver Brook West Stream on MA 113 (Pleasant Street) in Dracut
Open to traffic
Built 1850; rehabilitated 1921

Boden Lane Bridge [Map]
Pony truss bridge over CSX Railroad/MBTA on Boden Lane in Natick
Open to traffic
Built 1891; rehabilitated 1993

Bogastow Brook Viaduct [Map · Street View]
Stone arch bridge over Bogastow Brook on Boston & Worcester Railroad, Milford Branch
Built ca. 1847

Boston Engine Terminal Bridge [Map]
Warren through truss with sub-panels bridge over MBTA RR on MBTA RR
Open to traffic

Boston University Bridge [Map · Street View]
Steel through arch bridge over Charles River on Brookline Street (MA 2)
Open to traffic
Built 1928

Boylston Street over Centre Street Bridge [Map · Street View]
Steel rigid frame bridge over Centre Street on Boylston Street (MA 9)
Open to traffic
Built 1932

Boylston Street over Chestnut Street Bridge [Map · Street View]
Concrete rigid frame bridge over Chestnut Street on Boylston Street (MA 9)
Open to traffic
Built 1932

Boylston Street over Hammond Pond Parkway Bridge [Map · Street View]
Concrete rigid frame bridge over Hammond Pond Parkway on Boylston Street (MA 9)
Open to traffic
Built 1933

Boylston Street over Quinobequin Road Bridge [Map · Street View]
Concrete rigid frame bridge over Quinobequin Road on Boylston Street (MA 9)
Open to traffic
Built 1932

Bridge Street Bridge [Map · Street View]
Through truss bridge over Merrimack River on Bridge Street in Lowell
Open to traffic
Built 1937

Butters Row Bridge [Map]
Wooden bridge over MBTA/BMRR on Butters Row in Wilmington
Open to traffic
Built 1920; rehabilitated 1987

Charles River Bridge [Map]
Concrete arch bridge over Charles River on MA 9 (Boylston Street) in Newton
Open to traffic
Built 1900; rehabilitated 1932

Charles River Bridge [Map]
Concrete arch bridge over Charles River on MA 16 (Washington Street) in Newton
Open to traffic
Built 1929

Charles River Bridge [Map]
Concrete arch bridge over Charles River on MA 16 (Galen Street) in Watertown
Open to traffic
Built 1907

Charles River Bridge [Map]
Bascule bridge over Charles River on MA 28 in Boston
Open to traffic
Built 1910; rehabilitated 1992

Concord River Bridge [Map]
Concrete arch bridge over Concord River on MA 3A (Boston Road) in Billerica
Open to traffic
Built 1920

Concord River Bridge
Pair of concrete arch bridges over Concord River on US 3 in Billerica
Open to traffic
Built 1953

Concord River Bridge [Map]
Stone arch bridge over Concord River on MA 110 in Lowell
Open to traffic
Built 1858; rehabilitated 1961

Concord Street Bridge [Map]
Concrete arch bridge over Sudbury River on Concord Street in Ashland
Open to traffic
Built 1920

Cooper Street Bridge [Map]
Closed Spandrel Deck Arch Bridge over MBTA Railroad on Cooper Street
Open to traffic
Built in 1903, rebuilt in 1995

Cross Street Bridge [Map]
Through truss bridge over MBTA/BMRR on Cross Street in Somerville
Open to traffic
Built 1928

Eliot Bridge [Map]
Deck truss bridge over Charles River on Eliot Bridge in Boston
Open to traffic
Built 1950

Farwell Street Bridge [Map]
Deck truss bridge over Charles River on Farwell Street in Waltham
Open to traffic
Built 1850; rehabilitated 1933

Fitch's Bridge [Map]
Double-intersection Warren through truss bridge over Nashua River on Fitch Bridge Road
Demolished
Built 1885

Fort Pond Brook Bridge [Map]
Stone arch bridge over Fort Pond Brook on MA 27 (Main Street) in Acton
Open to traffic
Built 1900

Franklin Street Bridge [Map]
Concrete arch bridge over Sudbury River on Franklin Street in Framingham
Open to traffic
Built 1934

George Brown Street Bridge
Wooden bridge over MBTA/BMRR on George Brown Street in Billerica
Open to traffic
Built 1927

Grand Junction Railroad Bridge [Map]
Deck plate girder bridge over Charles River on MBTA
Open to traffic

Groton Street Bridge [Map]
Covered bridge over Nashua River on Groton Street in Pepperell
Open to traffic
Built 1962

Hammond Street Bridge [Map]
Pony truss bridge over Green Line on Hammond Street in Newton
Open to traffic
Built 1900; rehabilitated 1939

Harvard Bridge [Map]
Deck plate girder bridge over Charles River on MA 2A (Massachusetts Avenue)
Open to traffic
Built 1891; reconstructed 1990

Hemlock Gorge Bridge [Map]
Concrete arch bridge over Hemlock Gorge on MA 9 (Boylston Street) in Newton
Open to traffic
Built 1932

Jackson Street Bridge [Map]
Wooden bridge over MBTA/BMRR on Jackson Street in Waltham
Open to traffic
Built 1934; rehabilitated 1989

John W. Weeks Bridge [Map]
Closed-spandrel arch bridge over Charles River on a footpath at Harvard University
Open to pedestrians
Built 1927

Land Blvd. Bridge [Map · Street View]
Bascule bridge over Broad Canal on Land Blvd. in Cambridge
Open to traffic
Built 1956

Leonard P. Zakim Bunker Hill Memorial Bridge [Map]
Cable-stayed bridge over Charles River on I-93/US-1 in Boston
Open to traffic
Built 2003

Linden Street Bridge [Map · Street View]
Lattice through truss bridge over Linden Street on Central Massachusetts Railroad/Boston & Maine Railroad
Closed to all traffic
Built 1894

Longfellow Bridge [Map · Street View]
Steel arch bridge over Charles River on Mass. Hwy 3 (Cambridge Street) in Boston and Cambridge
Open to traffic
Built 1906; rehabilitated 1959 and 2011

Lowell Street Bridge [Map]
Lost pony truss bridge over MBTA/BMRR on Lowell Street in Somerville
Replaced by a new bridge
Built 1910; replaced 2006

Lowell Street Bridge [Map]
Lost pony truss bridge over BMRR Spur on Lowell Street in Somerville
Replaced by a new bridge
Built 1910; replaced 2006

Lower Falls Trail Bridge [Map]
Deck plate girder bridge over Charles River on Central Street
Open to pedestrians only
Built 1910, Abandoned 1970

Main Street Bridge [Map]
Pony truss bridge over MBTA/BMRR on MA 2A (East Main Street) in Ayer
Open to traffic
Built 1949

Main Street Bridge [Map]
Pony truss bridge over MBTA/BMRR on US 20 (Main Street) in Waltham
Open to traffic
Built 1936; rehabilitated 1991

Marion Street Bridge [Map]
Pony truss bridge over CSX Railroad/MBTA on Marion Street in Natick
Open to traffic
Built 1896; rehabilitated 2003

Martins Brook Bridge [Map]
Concrete arch bridge over Martins Brook on MA 28 (Main Street) in North Reading
Open to traffic
Built 1903; rehabilitated 1992

McGrath Highway Bridge [Map]
Through truss bridge over MBTA/BMRR on MA 28 (McGrath Highway) in Somerville
Open to traffic
Built 1908; rehabilitated 1983

Merriam Street Bridge [Map]
Wooden bridge over MBTA/BMRR on Merriam Street in Weston
Open to traffic
Built 1928; rehabilitated 1980

Merrimack River Bridge [Map · Street View]
Steel through arch bridge over Merrimack River on MA 113/MA 3A in Tyngsborough
Closed to all traffic
Built 1930; rehabilitated 1975

Morton Street Bridge [Map]
Wooden bridge over BMRR on Morton Street in Lowell
Open to traffic
Built 1929; rehabilitated 1982

Mystic River Bridge [Map]
Concrete arch bridge over Mystic River on MA 60 (Medford Street) in Arlington
Open to traffic
Built 1936

Mystic River Bridge [Map]
Concrete arch bridge over Mystic River on MA 16 in Medford
Open to traffic
Built 1906

Nashawtuc Road Bridge [Map]
Stone arch bridge over Sudbury River on Nashawtuc Road in Concord
Open to traffic
Built 1883

Newton Street Bridge [Map]
Wooden bridge over MBTA/BMRR on Newton Street in Waltham
Open to traffic
Built 1930; rehabilitated 1977

North Beacon Street Bridge [Map]
Concrete arch bridge over Charles River on US 20 (N. Beacon Street) in Boston
Open to traffic
Built 1917

North Bridge [Map]
Bridge
Kept up by NPS
Reconstruction of the Concord bridg built in the 1760s. Built where the battle of Concord took place

Old Danforth Street Bridge [Map]
Pratt pony truss bridge on an old alignment of Danforth Street over Sudbury River
Open to pedestrians

Pelham Island Road Bridge [Map]
Concrete arch bridge over Sudbury River on Pelham Island Road in Wayland
Open to traffic
Built 1930

Power Canal Bridge [Map]
Stone arch bridge over Power Canal on MA 62 (Main Street) in Concord
Open to traffic
Built 1885; rehabilitated 1978

River Street Bridge [Map · Street View]
Closed-spandrel arch bridge over Charles River on River Street/Cambridge Street
Open to eastbound traffic
Built 1925

Riverside Park Footbridge [Map]
Pony truss bridge over Charles River on Pedestrian Walkway
Built ca. 1920

Riverside Park Pedestrian Bridge [Map]
Arched Warren pony truss bridge on Pedestrian Path
Bridge to be dismantled and rehabilitated for pedestrian use
Built ca. 1920

School Street Bridge [Map]
Stone arch bridge over Stony Brook on School Street in Chelmsford
Open to traffic
Built 1850

Shawsheen River Bridge [Map]
Stone arch bridge over Shawsheen River on MA 129 (Salem Road) in Billerica
Open to traffic
Built 1932

Squannacook River Bridge [Map]
Stone arch bridge over Squannacook River on Canal Street in Townsend
Open to traffic
Built 1850; rehabilitated 1976

Stoney Brook Bridge [Map]
Stone arch bridge over Stoney Brook on MA 30 (Pleasant Street) in Framingham
Open to traffic
Built 1895

Stony Brook Road Bridge [Map]
Stone arch bridge over Stony Brook on Stony Brook Road in Westford
Open to traffic
Built 1880

Sudbury River Bridge [Map]
Stone arch bridge over Sudbury River on Elm Street in Concord
Open to traffic
Built 1874; rehabilitated 1932

Sudbury River Bridge [Map]
Concrete arch bridge over Sudbury River on MA 62/MA 2A in Concord
Open to traffic
Built 1909

Sudbury River Bridge
Concrete arch bridge over Sudbury River on MA 117 in Concord
Open to traffic

Sudbury River Bridge [Map]
Concrete arch bridge over Sudbury River on MA 2 (Concord Turnpike) in Concord
Open to traffic
Built 1934

Sudbury River Bridge [Map]
Pony truss bridge over Sudbury River on Main Street in Framingham
Closed to all traffic
Built 1878; rehabilitated 1952

Sudbury Road Bridge [Map]
Wooden bridge over Assabet River on Sudbury Road in Stow
Open to traffic
Built 1902; rehabilitated 1985

Sycamore Street Bridge [Map]
Lost pony truss bridge over MBTA/BMRR on Sycamore Street in Somerville
Replaced by a new bridge
Built 1902; replaced 2006

Town Farm Lane Bridge [Map]
Wooden bridge over MBTA/BMRR on Town Farm Lane in Billerica
Open to traffic
Built 1925; rehabilitated 1984

University Avenue Bridge [Map]
Deck truss bridge over Merrimack River on Univrsty Avenue in Lowell
Open to traffic

Walker Street Bridge [Map · Street View]
Pony truss bridge over BMRR on Walker Street in Lowell
Open to traffic
Built 1910; rehabilitated 1994

Western Avenue Bridge [Map · Street View]
Closed-spandrel arch bridge over Charles River on Western Avenue
Open to traffic
Built 1924

Western Canal Bridge [Map]
Stone arch bridge over Western Canal on Broadway in Lowell
Open to traffic
Built 1833; rehabilitated 1923

Weston Reservoir Bridge [Map]
Concrete arch bridge over Weston Reservoir on Ash Street in Weston
Open to traffic
Built 1902

Whitcomb Avenue Bridge [Map]
Concrete arch bridge over Eastbound MA 2 on Whitcomb Avenue in Littleton
Open to traffic
Built 1950

Willard Brook Bridge [Map]
Concrete arch bridge over Willard Brook on MA 31 (State Road) in Ashby
Open to traffic
Built 1908; rehabilitated 1932

Willard Brook Bridge [Map]
Stone arch bridge over Willard Brook on MA 119 (River Road) in Townsend
Open to traffic
Built 1908; rehabilitated 1931

Winter Street Bridge [Map]
Stone arch bridge over Sudbury River on Winter Street in Framingham
Open to traffic
Built 1870

Woods Memorial Bridge [Map · Street View]
Bascule bridge over Malden River on MA 16 in Everett
Open to traffic
Built 1954; rehabilitated 1973