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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

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

Beaver Street Bridge [Map]
Deck plate girder bridge over Beaver Brook on Beaver Street
Intact but closed to all traffic
Built 1971

Bedford Bridge [Map]
Concrete tee beam bridge over Concord River on Massachusetts Route 225 (Carlisle Road)
Open to traffic
Built 1955

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

BM - Clark Street Bridge [Map]
Lost Howe pony truss bridge over Boston & Maine RR on Clark Street
Replaced by a new pedestrian bridge
Built 1908

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

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 - North Station Drawbridge (1835) [Map]
Lost Warren deck truss bridge over Charles River on Boston & Maine Railroad
Replaced by a new bridge
Built 1835; Replaced 1931

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

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

BM/MBTA 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

Boden Lane Bridge [Map · Street View]
Pony truss bridge over CSX Railroad/MBTA on Boden Lane in Natick
Removed but not replaced
Built 1891; rehabilitated 1993; closed and demolished in 2020

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

Brooks Bridge [Map]
Lost Stone arch bridge over Middlesex Canal on Brooks Road
Removed but not replaced
Built 1821

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 (1810) [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

Catacoonamug Brook Stone Arch [Map]
Lost Stone arch bridge over Catacoonamug Brook on Lancaster Road
Replaced by a new bridge

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; rehabilitated in 2016

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

Dana Bridge [Map]
Steel stringer bridge over Mystic River on MBTA Orange Line & Commuter Rail Haverhill Line
Open to traffic

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

Faulkner Street Bridge [Map · Street View]
Deck arch bridge over Concord River on Faulkner Street
Open to traffic
Built 1850

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

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

Hunts Falls Bridge [Map]
Deck plate girder bridge over Merrimack River on Nesmith Street
Open to traffic
Built 1954; rehabilitated 2012

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

Lawrence Street Bridge [Map]
Closed-spandrel arch bridge over Concord River on Lawrence Street
Open to traffic
Built 1850; rehabilitated 1951

Lechmere Canal Bridge [Map]
Closed-spandrel arch bridge over Lechmere Canal on Edwin H. Land Boulevard
Open to traffic
Built 1986 to replace previous Commerical Avenue Bridge

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

Leverett Circle Connector Bridge [Map]
Concrete box girder bridge over Charles River on Leverett Circle Connector
Open to traffic
Built 1999 as part of the "Big Dig" project

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

Lowell Road Bridge [Map]
Deck plate girder bridge over Concord River on Lowell Road
Open to traffic
Built 1964

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 Bridge [Map]
Pony truss bridge over MBTA on Main Street SR 27
Replaced by a new bridge
Built 1906; replaced 1997

Main Street- Squannacook River Bridge (Replacement) [Map · Street View]
Steel stringer bridge across Squannacook River on Main Street
Open to traffic

Marion Street Bridge [Map · Street View]
Pony truss bridge over CSX Railroad/MBTA on Marion Street in Natick
Replaced by a new bridge
Built 1896; rehabilitated 2003; replaced 2017

Market Street Western Canal Bridge [Map]
Lost Stone arch bridge over Western Canal on Market Street
Replaced by UCEB
Built 1920; demolished & replaced with UCEB 2019

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; scheduled for replacement in 2021

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; scheduled for replacement 2020-2021

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
Closed to all traffic for rehabilitation as part of Green Line Extension project
Built 1910; Closed for rehabilitation as part of Green Line Extension project in 2019

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

MBTA Mystic River Bridge [Map]
Steel stringer bridge over Mystic River on MBTA Commuter Rail Newburyport/Rockport Line
Open to traffic

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

New Boston Street Bridge [Map]
Lost Timber stringer bridge over MBTA on New Boston Street
Removed but not replaced
Damaged by fire in 1977

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 - Charles River Spur Bridge [Map · Street View]
Abandoned steel stringer bridge over Charles River on former New Haven RR spur
Derelict/abandoned

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

North Bank Bridge [Map]
Modern Pratt pony truss bridge over Millers River Basin on Charles River Esplanade North
Open to pedestrians

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]
Pony/thorugh plate 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

Pawtucket Street Bridge [Map]
Deck plate girder bridge with decorative queenpost deck trusses over Pawtucket Canal on Pawtucket Street
Closed to all traffic with demolition and replacement in progress
First bridge at this location dates to 1796. Current bridge built 1927 & replaced 2019-2021

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]
Concrete stringer bridge with faux wooden truss covering 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

Pleasant Street Bridge [Map · Street View]
Stone arch bridge over Charles River on Pleasant Street
Open to traffic
Built 1861; rehabilitated 1910

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 · Street View]
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

Richard P. Howe Bridge [Map · Street View]
Deck truss bridge over Merrimack River & Canal on University Avenue
Open to traffic
Built 2014

River Street Bridge (1925) [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 (1983) [Map · Street View]
Bailey pony truss over Merrimack River on Wood Street
Open to traffic with a weight limit
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

Sargent Bridge [Map]
Open-spandrel arch bridge over Charles River on Footpath

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

School Street Bridge [Map]
Steel stringer bridge over Merrimack River on School Street
Open to traffic
Built 1917; rehabilitated 1968

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

Sherman's Bridge [Map]
Timber stringer bridge over Sudbury River on Lincoln Road
Open to traffic
Built 1992

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

Stone's Bridge [Map · Street View]
Stone arch bridge over Sudbury River on Old Stonebridge Road (formerly)
Intact but closed to all traffic
Built in 1858; truncated in 1955 after Hurricane Diane

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, line abandoned in 1972

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

VFW Highway Beaver Brook Bridge [Map]
Deck plate girder bridge over Beaver Brook on VFW Highway (Merrimack River Parkway)
Closed to all traffic with replacement in progress. Temporary bridge in place
Built 1949; demolished and replaced 2019-2020

Wales Street Charles River Bridge [Map]
Deck arch bridge over Charles River on Wales Street
Open to traffic
Built 1928

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

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

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

Wellington Bridge [Map]
Steel stringer (and former bascule) bridge over Mystic River on Fellsway (Massachusetts Route 28)
Open to traffic
Built 1935; rehabilitated 1979

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 Ash Street 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