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Middlesex County

Aiken Street Bridge [Map · Street View]
Five-span lenticular through truss bridge over Merrimack River on Aiken Street in Lowell
Open to traffic
Built 1883 by the Berlin Iron Bridge Co.; Rehabilitated 1998

Alewife Station Access Road Underpass [Map]
Deck arch bridge over Alewife Station Access Road on US 3 (Alewife Brook Parkway)
Open to traffic
Built 1984

Anderson Memorial Bridge [Map · Street View]
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
Replaced by a new bridge
Built 1927; rehabilitated 1980; replaced 2006

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

Arsenal Street Bridge [Map · Street View]
Deck arch bridge over Charles River on Arsenal Street
Open to traffic
Built 1925; rehabilitated 1968

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

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

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

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

Assabet River Rail Trail - Assabet River Bridge [Map · Street View]
Deck plate girder bridge over Assabet River on Assabet River Rail Trail
Open to pedestrians only
Built 1887

B&A - Charles River Bridge [Map]
Lost Lattice deck truss bridge over Charles River on Boston & Albany Railroad
Replaced by a new bridge
Built 1893; replaced 1916

B&M - Bruces Pond Bridge [Map]
Abandoned timber stringer bridge over Bruce's Pond on B&M Central Mass Branch
Derelict/abandoned
Built 1932

B&M - Stony Brook Bridge [Map]
Stone arch bridge over Stony Brook on B&M Central Mass Branch
Intact but closed to all traffic
Built 1881

Beaver Brook Bridge [Map]
Deck arch bridge over Beaver Dam Brook on MBTA Worcester Line
Open to railway traffic, but passenger underpass closed.
Built 1906

Beaver Brook East Stream Bridge [Map · Street View]
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

Black Brook Bridge [Map]
Stone arch bridge over Black Brook on Golf path
Open to traffic

BM - Assabet River Bridge [Map · Street View]
Abandoned timber stringer bridge over Assabet River on B&M Central Mass Branch
Derelict/abandoned
Built 1931, abandoned 1987

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

BM - Fitchburg Line Overpass [Map]
Abandoned lattice through truss bridge over MBTA Fitchburg Line on B&M Central Massachusetts Branch (abandoned)
Derelict/abandoned
Built 1896, Abandoned 1987

BM - Hop Brook Bridge (MP 19.47) [Map]
Abandoned deck plate girder bridge over Hop Brook on B&M Central Mass Branch
Derelict/abandoned
Built 1881, rehabilitated 1908

BM - Hop Brook Bridge (MP 22.24) [Map]
Abandoned deck plate girder bridge over Hop Brook on B&M Central Mass Branch
Derelict/abandoned
Built 1881, rehabilitated 1908

BM - I-95/MA-128 Bridge [Map · Street View]
Abandoned pony/through plate girder bridge over MA-128/I-95 on B&M Central Massachusetts Branch (abandoned)
Derelict/abandoned
Built 1960, rehabilitated 1988

BM - Linden Street Bridge [Map · Street View]
Lattice through truss bridge over Linden Street on B&M Central Massachusetts Branch (abandoned)
Closed to all traffic
Built 1894

BM - Mystic River Drawbridge [Map]
Warren deck truss bridge over Mystic River on Boston & Maine Railroad
Replaced by a new bridge
Built 1893-4; Deck trusses added 1917; Tower rebuilt 1933; Stringers added 1955-56; Replaced 1989

BM - Sudbury River Bridge [Map · Street View]
Abandoned timber stringer bridge over Sudbury River on B&M Central Massachusetts Branch (abandoned)
Derelict/abandoned
Built 1933; abandoned 1987

BM - Watertown Branch Charles River Bridge (East) [Map · Street View]
Abandoned timber stringer bridge over Charles River on Boston & Maine Watertown Branch
Removed

BM - Watertown Branch Charles River Bridge (West) [Map · Street View]
Lost Timber stringer bridge over Charles River on Boston & Maine Watertown Branch
Demolished

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

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 Arch [Map · Street View]
Stone arch bridge over Charles River on MA 9 (Boylston Street) in Newton
Open to traffic
Built 1808; rehabilitated 1932

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 Overpass [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]
Masonry slab over Stony Brook on Bridge Street
Open to traffic
Built 1870

Bridge Street Bridge (Old) [Map]
Lost Through truss bridge over Merrimack River on Bridge Street
Replaced by a new bridge

Broadway Bridge Over Pawtucket Canal [Map · Street View]
Lost Steel arch bridge over Pawtucket Canal on Broadway Street
Replaced by a new bridge
Built 1919

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

Cambridge Street Bridge (Old) [Map]
Lost Timber stringer bridge over Charles River on Cambridge Road/River Street
Replaced by a new bridge
Built 1810; Replaced 1925

Canalwalk Bridge [Map · Street View]
Deck plate girder bridge over Pawtucket Canal on Canalwalk (Formerly Boston & Maine Railroad)
Open to pedestrians only

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

Charles River Dam Bridge [Map · Street View]
Bascule bridge over Charles River on MA 28 in Boston
Replaced by a new bridge
Built 1910 as a pair of parallel single leaf bascules; entire superstructure and mechanics demolished and replaced in 1962 with double-leaf bascule; rehabilitated 1992; entire superstructure replaced 2010-2011 with fixed trunnion bascule.

Chester Waterous Bridge [Map]
Covered bridge over Nashua River on Groton Street in Pepperell
Replaced by a new bridge
Built 1962, replaced 2010

Church Street Bridge [Map · Street View]
Deck arch bridge over B&M Central Mass Branch (abd) on Church Street
Open to traffic
Built 1911

Cochituate Aqueduct Bridge [Map · Street View]
Abandoned stone arch bridge over Charles River on Cochituate Aqueduct
Derelict/abandoned
Built 1848

Commercial Avenue Bridge [Map]
Lost deck plate girder bridge over Lechmere Canal on Commercial Avenue
No longer exists
Built 1907; major rebuild 1938; fixed closed 1974; replaced 1986

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

Concord River Bridge [Map]
Pair of concrete arch bridges over Concord River on US 3 in Billerica
Replaced by a new bridge
Built 1953

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

Concord Road Bridge [Map]
Deck arch bridge over B&M Central Mass Branch (abd) on Concord Road
Open to traffic
Built 1911

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

Concord Street Bridge [Map]
Closed-spandrel arch bridge over Charles River on Concord Street
Open to traffic
Built 1907

Concord Street Bridge [Map]
Lost Truss bridge over Charles River on Concord Street
Replaced by a new bridge
Replaced 1907

Cook's Bridge [Map · Street View]
Stone arch bridge over Charles River on Elliot Street
Open to traffic
Built 1857; Widened 1897

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

Cordaville Arch Bridge #1 [Map]
Stone arch bridge over Sudbury River on old Cedar Street alignment
Open to pedestrians only
Built 1840

Cordaville Arch Bridge #2 [Map · Street View]
Stone arch bridge over mill channel on old Cedar Street alignment
Open to pedestrians only
Built 1840

Cradock Bridge [Map · Street View]
Stone arch bridge over Mystic River on Main Street/MA 38
Open to traffic
Built 1880; rehabilitated 1934

Cross Street Bridge [Map · Street View]
Through truss bridge over MBTA/BMRR on Cross Street in Somerville
Open to traffic
Built 1928; rehabilitated 2014

CSX - Foss Reservoir Bridge [Map · Street View]
Deck plate girder bridge over Foss Reservoir (Sudbury River) on CSX Fitchburg Secondary
Open to traffic

CSX - Route 9 Overpass [Map · Street View]
Abandoned deck plate girder bridge over MA-9/Worcester Street on B&A Saxonville Branch (abandoned)
Derelict/abandoned

Echo Bridge [Map · Street View]
Stone arch bridge over Charles River on Sudbury Aqueduct
Open to pedestrians only
Built 1878

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

Eliot Bridge [Map · Street View]
Brick-faced concrete arch bridge over Charles River on Eliot Bridge in Boston
Open to traffic
Built 1950

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

Elm Street Bridge [Map · Street View]
Concrete tee beam bridge over Charles River & Greenway on Elm Street
Open to traffic
Built 1949

First Street Bridge [Map · Street View]
Deck plate girder bridge over Broad Canal on First Street
Open to traffic
Built 1925; reconstructed 1938, 1957 & 2000

Fitch's Bridge [Map]
Double-intersection Warren through truss bridge over Nashua River on Fitch Bridge Road
Demolished and replaced with an ugly pedestrian MOB (Mail Order Bridge).
Built 1898; Closed to traffic 1965; Demolished 2013

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 · Street View]
Concrete arch bridge over Sudbury River on Franklin Street in Framingham
Open to traffic
Built 1934

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

George Brown Street Bridge [Map]
Wooden bridge over MBTA/BMRR on George Brown Street in Billerica
Replaced by a new bridge
Built 1927, replaced 2005

Hale Street Bridge [Map]
Lost Pennsylvania through truss bridge over Boston & Maine Railroad/Massachusetts Bay Transportation Authority on YMCA Drive/Hale Street
Replaced by a new bridge
Built 1892; rehabilitated 1965; Replaced 1997

Hammond Street Bridge [Map · Street View]
Pony truss bridge over Green Line on Hammond Street in Newton
Open to traffic
Built 1990 replacing an 1893 pony truss

Hammond Street Bridge (Old) [Map]
Lost Double-intersection Warren pony truss bridge over MBTA Green Line on Hammond Street
Superstructure replaced
Built 1893, rehabilitated 1939, trusses replaced 1990

Harvard Avenue Bridge [Map · Street View]
Closed-spandrel arch bridge over Mystic River on Harvard Avenue/River Street
Open to traffic
Built 1938

Harvard Bridge [Map · Street View]
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

Henderson Street Bridge [Map · Street View]
Closed-spandrel arch bridge over Alewife Brook on Henderson Street
Open to traffic
Built 1913

High Street Bridge [Map]
Lost Double-intersection Warren pony truss bridge over Boston & Albany Railroad on High Street
Replaced by a new bridge; trusses relocated to Millbury
Built 1890; rehabilitated 1921; replaced 1999; relocated to Blackstone River Bikeway 2001

Holliston Eight Arch Bridge [Map · Street View]
Stone arch bridge over Bogastow Brook on Upper Charles Rail Trail (former CSX/Conrail/Penn Central/NYC/Boston & Albany)
Open to pedestrians only
Built 1847

Howe Street Bridge [Map]
Lost Warren pony truss with no verticals bridge over Boston & Albany Railroad on Howe Street
Replaced by a new bridge
Built 1891 by R.F. Hawkins Iron Works; replaced 1990

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

James J. Harold Bridge [Map · Street View]
Steel arch bridge over Charles River on Farwell Street in Waltham
Open to traffic
Built 1933

John D. Hand Memorial Bridge [Map]
Deck plate girder bridge over Mystic River on Pedestrian Walkway & water supply pipelines
Open to pedestrians only
Built 1897

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

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

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

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 (Fitchburg Cutoff) [Map]
Lost pony truss bridge over B&M Fitchburg Freight Cutoff on Lowell Street in Somerville
Replaced by a new bridge
Built 1910; replaced 2006

Lowell Street Bridge (New Hampshire Mainline) [Map]
Lost pony truss bridge over MBTA/BMRR 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 Charles River Bike Path
Open to pedestrians only
Built 1910, Abandoned 1970

Main Street - Squannacook River Bridge (Old) [Map]
Lost Pony truss bridge over Aquannacook on Main
Replaced by a new bridge

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

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

Main Street Bridge [Map · Street View]
Bowstring pony truss bridge over Sudbury River on Main Street in Framingham
Open to traffic
Built 1878; rehabilitated 1952; Rehabbed in 2009

Main Street- Squannacook River Bridge (Replacement) [Map · Street View]
Bridge
Open to traffic

Marion Street Bridge [Map · Street View]
Pony truss bridge over CSX Railroad/MBTA on Marion Street in Natick
Intact but closed to all 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

Massachusetts Avenue Bridge [Map]
Stone arch bridge over Alewife Brook on Massachusetts Avenue
Open to traffic

MBTA - Beaver Brook Arch [Map · Street View]
Stone arch bridge over Beaver Brook on MBTA Fitchburg Line
Open to traffic
Built 1847

MBTA - Boylston Street Overpass [Map · Street View]
Pony/through plate girder bridge over Boylston Street on MBTA Green Line
Open to traffic
Built 1917; abutments date to 1885

MBTA - Charles River Bridge [Map]
Closed-spandrel arch bridge over Charles River on MBTA Worcester Line
Open to traffic
Built 1916

MBTA - Concord Avenue Overpass [Map · Street View]
Stone arch bridge over Concord Avenue on MBTA Fitchburg Line
Open to traffic
Built 1907

MBTA - Concord River Bridge [Map · Street View]
Stone arch bridge over Concord River on MBTA Lowell Line
Open to traffic
Built 1832; extensively modified and encased in concrete 1908; timber trestle added 1931

MBTA - Fort Pond Brook Bridge (MP 25.03) [Map]
Stone arch bridge over Fort Pond Brook on MBTA Fitchburg Line
Open to traffic
Built 1845

MBTA - Fort Pond Brook Bridge (MP 26.26) [Map]
Stone arch bridge over Fort Pond Brook on MBTA Fitchburg Line
Open to traffic
Built 1844, widened on two subsequent occasions

MBTA - Gorham Street Overpass [Map · Street View]
Pony/through plate girder bridge over Gorham Street on MBTA Lowell Line
Built 1911

MBTA - Grand Junction Bridge [Map · Street View]
Through plate girder bridge over Charles River on MBTA
Open to traffic
Built 1928

MBTA - High Line Bridge [Map · Street View]
Warren through truss with sub-panels bridge over MBTA Yard Tracks on MBTA Lowell Line
Open to traffic
Built 1927; rehabilitated 1946 & 1956

MBTA - Intervale Road Overpass [Map · Street View]
Steel stringer bridge over Intervale Road on MBTA Worcester Line
Open to traffic
Built 1911 on 1893 abutments

MBTA - Lake Cochituate Bridge [Map · Street View]
Stone arch bridge over Lake Cochituate on MBTA Worcester Line
Open to railway traffic
Built 1897, rebuilt 1919

MBTA - Lechmere Viaduct [Map · Street View]
Closed-spandrel arch bridge over Charles River, Museum Way, and Charlestown Avenue on MBTA Green Line
Open to traffic
Built 1910

MBTA - Melrose Street Overpass [Map · Street View]
Stone arch bridge over Melrose Street on MBTA Haverhill Line
Open to traffic
Built 1857; re-pointed 1946

MBTA - Mystic River Bridge [Map · Street View]
Closed-spandrel arch bridge over Mystic River on MBTA Lowell Line
Open to traffic
Built 1835, extensively modified 1906

MBTA - Mystic Valley Parkway Overpass [Map · Street View]
Closed-spandrel arch bridge over Mystic Valley Parkway/MA 16 on MBTA Lowell Line
Open to traffic
Built 1908

MBTA - North Station Charles River Bridges [Map · Street View]
Baltimore through truss bridge over Charles River on MBTA North Station Leads
Open to traffic
Built 1931, two bridges removed at a later date

MBTA - Park Road Overpass [Map · Street View]
Pony/through plate girder bridge over Park Road on MBTA Worcester Line
Open to railway traffic
Built in 1893 by the Pennsylvania Steel Co.; rebuilt in 1914.

MBTA - Pawtucket Canal Bridge [Map]
Warren through truss bridge over Pawtucket Canal on MBTA (Nee Boston & Maine Railroad)
Open to traffic
Built 1928 by the Boston Bridge Works

MBTA - Route 62 Overpass [Map · Street View]
Pony/through plate girder bridge over Route 62/Main Street on MBTA Fitchburg Line
Replaced by a new bridge
Built 1927 by Boston Bridge Works; replaced 2015

MBTA - Shawsheen River Bridge [Map]
Stone arch bridge over Shawsheen River on MBTA Lowell Line
Open to traffic
Built 1835, steel liner arch added 1940, scheduled for rehabilitation

MBTA - Stony Brook Bridge [Map]
Stone arch bridge over Stony Brook on Massachusetts Bay Transportation Authority
Open to traffic
Built 1850

MBTA - Sudbury River Bridge [Map · Street View]
Deck plate girder bridge over Sudbury River on MBTA Fitchburg Line
Open to traffic
Built 1928

MBTA - Sudbury River Bridge (MP 23.54) [Map · Street View]
Stone arch bridge over Sudbury River on MBTA Worcester Line
Open to traffic
Built 1833, widened with concrete in 1913

MBTA - Sudbury River Bridge (MP 26.35) [Map]
Stone arch bridge over Sudbury River on MBTA Worcester Line
Open to traffic
Built ca. 1833; widened with concrete in 1923

MBTA - Washington Street Overpass [Map · Street View]
Steel stringer bridge over Washington Street on MBTA Lowell Line and Future Green Line Extension
Open to traffic
Built 1927 by Boston Bridge Works

McGrath Highway Bridge [Map · Street View]
Through truss bridge over MBTA/BMRR on MA 28 (McGrath Highway) in Somerville
Open to traffic
Built 1926 (NBI says 1908); rehabilitated 1983

Memorial Drive Bridge [Map]
Girder bridge over Brookline Street on US 3 (Memorial Drive)
Open to traffic
Built 1940; rehabilitated 1982

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

Minuteman Commuter Bikeway - Brattle Street Overpass [Map · Street View]
Steel stringer bridge over Brattle Street on Minuteman Commuter Bikeway
Open to pedestrians only
Built 1900

Minuteman Commuter Bikeway - Forest Street Overpass [Map · Street View]
Steel stringer bridge over Forest Street on Minuteman Commuter Bikeway
Open to pedestrians only
Built 1900

Minuteman Commuter Bikeway - Grant Street Overpass [Map · Street View]
Pony/through plate girder bridge over Grant Street on Minuteman Commuter Bikeway
Open to pedestrians only
Built 1905

Minuteman Commuter Bikeway - Grove Street Overpass [Map · Street View]
Pony/through plate girder bridge over Grove Street on Minuteman Commuter Bikeway
Open to pedestrians only
Built 1900

Minuteman Commuter Bikeway - Mill Brook Arch [Map]
Stone arch bridge over Mill Brook on Minuteman Commuter Bikeway
Open to pedestrians only
Built ca 1890

Moody Street Bridge [Map · Street View]
Deck arch bridge over Charles River on Moody Street
Open to traffic
Built 1917; rehabilitated 1943

Morton Street Bridge [Map]
Wooden bridge over BMRR on Morton Street in Lowell
Replaced by a new bridge
Built 1929; rehabilitated 1982; replaced 2010

Munroe Brook Bridge [Map]
Stone arch bridge over Munroe Brook
Don't know

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

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

Mystic River Bridge [Map]
Stone arch bridge over Mystic River on Boston Avenue
Open to traffic

Mystic Valley Parkway Alewife Brook Bridge [Map · Street View]
Closed-spandrel arch bridge over Alewife Brook on Mystic Valley Parkway
Open to traffic
Built 1908; reconstructed 2013

Mystic Valley Parkway Bridge [Map]
Lost Deck plate girder bridge over Malden River on Mystic Valley Parkway MA 16
No longer exists
Built 1906; replaced 1954

NA&B - Joint Grass Brook Bridge [Map]
Abandoned stone arch bridge over Joint Grass Brook on Nashua, Acton & Boston Railroad
Derelict/abandoned

NA&B - Salmon Brook Bridge [Map]
Abandoned stone arch bridge over Salmon Brook on Nashua, Acton & Boston Railroad
Derelict/abandoned
Built 1872; RR abandoned 1925

NA&B - Stony Brook Bridge [Map · Street View]
Stone arch bridge over Stony Brook on Hiking trail (former Nashua, Acton & Boston Railroad)
Open to pedestrians only
Built 1872; RR abandoned 1925; seems to be open as a trail

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

Nashua River Rail Trail - MA 119 Overpass [Map · Street View]
Pony/through plate girder bridge over Main Street/MA 111/MA 119 on Nashua River Rail Trail
Open to pedestrians only

Needham Street Bridge [Map · Street View]
Stone arch bridge over Charles River on Needham Street
Open to traffic
Built 1875;

Nehemiah Jewett Covered Bridge 21-09-01x [Map]
Lost Town lattice truss bridge over Nashua River on Groton Street
Replaced by a new bridge
Built 1847; Pedestrian walkway installed 1920; Replaced 1962

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

Newton Street Bridge [Map · Street View]
Stone arch bridge over Charles River on Newton Street
Open to traffic
Built 1877; rehabilitated 1951

NH - Nashoba Brook Bridge [Map]
Deck plate girder bridge over Nashoba Brook on NH Framingham & Lowell Line
Derelict/abandoned
Built ca. 1907

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]
Historic timber stringer bridge over Concord River on Old Groton Road (pedestrian path)
Open to pedestrians
First bridge built ca 1760; site of Battle of Concord 1775; demolished 1788; rebuilt 1875, 1889, 1909, 1956; rehabilitated 2005

Northern Canal Bridge [Map · Street View]
Girder bridge over Northern Canal on Aiken Street
Open to traffic
Built 1897; rehabilitated 2004

Old Danforth Street Bridge [Map]
Pratt pony truss bridge on an old alignment of Danforth Street over Sudbury River
Open to pedestrians
Built 1890 by Dean & Westbrook; bypassed 1982

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

Old Town Bridge [Map · Street View]
Stone arch bridge over Sudbury River
Built 1848

Pawtucket Falls Dam Footbridge [Map · Street View]
Warren through truss bridge over Northern Canal on Private Pedestrian Path
Open to authorized pedestrians only
Built 1920

Pawtucket Street Bridge [Map · Street View]
Deck plate girder bridge over Northern Canal on Pawtucket Street
Open to traffic

PC - Lower Falls Branch Route 128 Overpass [Map · Street View]
Abandoned pony/through plate girder bridge over I-95 on Railroad
Derelict/abandoned
Built ca. 1950

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

Pepperell Covered Bridge 21-09-01 #3 [Map · Street View]
Pratt through truss bridge over Nashua River on Groton Road
Open to traffic
Built 2010

Perkins Street Walkway Bridge Over Lawrence Wasteway [Map]
Deck plate girder bridge over Lawrence Wasteway on Walkway
Open to pedestrians only
Built 1917

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

Prescott Yard Bridge over Eastern Canal [Map]
Warren pony truss with all verticals bridge over Eastern Canal on Pedestrian Path
Open to pedestrians only
Built ca. 1890-1911, railroad tracks removed 1930

Prospect Street Bridge [Map · Street View]
Stone arch bridge over Charles River on Prospect Street
Open to traffic
Built 1888; rehabilitated 1975

Railroad Trestle Trail - Bear Hill Road Bridge [Map]
Concrete rigid frame bridge over Bear Hill Road on Railroad Trail
Open to pedestrians only

Railroad Trestle Trail - Sheep Fold Bridge [Map]
Concrete rigid frame bridge over Sheep Fold Access Road on Railroad Trestle Trail
Open to pedestrians only
Abandoned 1946

Railroad Trestle Trail Bridge [Map]
Concrete stringer bridge on Railroad Trestle Trail
Open to pedestrians only
BERy service ended 1946

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
Built ca. 1920; Closed 2003; Dismantled and rehabilitated 2012-13; Reopened 2014

Rourke Bridge [Map · Street View]
Bailey pony truss over Merrimack River on Wood Street
Open to traffic
Built 1983 as a temporary bridge but never replaced by permenant structure

Sacramento Street Underpass [Map · Street View]
Steel stringer bridge over pedestrian tunnel on MBTA Fitchburg Line
Open to traffic
Built 1897

Saugus River Bridge [Map]
Concrete arch bridge over Saugus River on I-95 in Lynnfield
Open to traffic
Built 1940; rehabilitated 1960

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

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

Spot Pond Brook Bridge [Map]
Stone arch bridge over Spot Pond Brook on Virginia Wood Trail
Open to pedestrians only

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

ST - Concord River Bridge [Map · Street View]
Deck plate girder bridge over Concord River on Springfield Terminal Railway
Open to traffic

ST - Nashua River Bridge [Map]
Abandoned pratt through truss bridge over Nashua River on B&M Greenville Branch
Derelict/abandoned
Built 1883

ST - Stony Brook Arch Bridge [Map]
Closed-spandrel arch bridge over Stony Brook on Springfield Terminal Railway
Open to traffic

ST - Stony Brook Bridge [Map · Street View]
Deck plate girder bridge over Stony Brook on Springfield Terminal Railway
Open to traffic

ST - West Main Street Overpass [Map · Street View]
Pony/through plate girder bridge over West Main Street on B&M Greenville Branch
Open to traffic
Built 1897

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 · Street View]
Stone arch bridge over Stony Brook on Stony Brook Road in Westford
Open to traffic
Built 1880

Sudbury River Bridge [Map · Street View]
Concrete arch bridge over Sudbury River on MA 117 in Concord
Open to traffic

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

Sudbury Road Bridge (East) [Map · Street View]
Wooden bridge over East Channel of Assabet River on Sudbury Road in Stow
Open to traffic
Built 1902; rehabilitated 1985

Sudbury Road Bridge (West) [Map · Street View]
Wooden bridge over West Channel of 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; rehabilitated 1957; 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

Tyngsborough Bridge [Map · Street View]
Steel through arch bridge over Merrimack River on MA 113/MA 3A in Tyngsborough
Open to traffic
Built 1931 by the Boston Bridge Works; rehabilitated 1975 and 2012

University Avenue Bridge [Map · Street View]
Lost deck truss bridge over Merrimack River on University Avenue in Lowell
Demolished and replaced.
Built 1895 by Groton Bridge Co.; Rehabilitated 1965; Demolished 2014

Upper Charles Rail-Trail - Arch Street Overpass [Map · Street View]
Stone arch bridge over Arch Street on Upper Charles Rail Trail (former CSX/Conrail/Penn Central/NYC/Boston & Albany)
Open to pedestrians only

Upper Charles Rail-Trail - Bogastow Brook Viaduct [Map · Street View]
Stone arch bridge over Bogastow Brook on Boston & Worcester Railroad, Milford Branch
Open to pedestrians only
Built ca. 1847

Upper Charles Rail-Trail - Phipps Tunnel [Map]
Tunnel under Highland Street on Upper Charles Rail-Trail
Open to pedestrians only
Built 1848

Upper Falls Greenway - Sunset Bridge [Map]
Deck plate girder bridge over Charles River on Upper Falls Greenway
Open to pedestrians as an observation deck
Built 1915

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

Webster Avenue Bridge [Map · Street View]
Girder bridge over MBTA Fitchburg Line on Webster Avenue
Open to traffic
Built 1911

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 · Street View]
Stone arch bridge over Western Canal on Broadway in Lowell
Open to traffic
Built 1833; rehabilitated 1923

Western Canal Bridge [Map]
Lost Steel stringer bridge over Western Canal on Moody Street
Replaced by a new bridge
Built 1913; reconstructed 1996

Weston Aqueduct Bridge [Map]
Pipe arch bridge over Sudbury River on Weston Aqueduct
Open to pedestrians only
Built 1903

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

Westvale Bridge [Map]
Lost Closed-spandrel arch bridge over Assabet River on Main Street
Replaced by a new bridge
Built 1901; Replaced 1978

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

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

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

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

Woods Memorial Bridge [Map]
Bascule bridge over Malden River on MA 16 in Everett
Replaced by a new bridge
Built 1954; rehabilitated 1973

Wyoming Cemetery Bridge [Map]
Stone arch bridge over Ditch on Footpath
Built 1911