New London County

Air Line State Park Trail - Blackledge River Bridge   [Map]
Double-intersection Warren deck truss bridge over Blackledge River on Airline state park Trail S
Open to pedestrians only
Built 1907, abandoned 1965, converted to trail use early 2000s
Air Line State Park Trail - Brousseous Brook Arch   [Map]
Stone arch bridge over Brousseous Brook on Airline State Park Trail
Open to pedestrians only
Air Line State Park Trail - River Road Overpass   [Map]
Stone arch bridge over River Road on Airline State Park Trail S
Open to pedestrians only
Built 1887; abandoned 1965 by New Haven RR Portland-Columbia
Air Line State Park Trail - Willimantic River Bridge   [Map]
Deck plate girder bridge over Willimantic River on Airline South State Park Trail
Open to trail traffic
Abandoned 1965, converted for trail use 2015
Amtrak - Groton Bridge   [Map · Street View]
Vertical-lift through truss bridge over Thames River on Northeast Corridor (Amtrak)
Open to traffic
Built 1919 by the American Bridge Co. as a bascule bridge; draw span replaced by vertical lift in 2008
Amtrak - Mystic River Bridge   [Map]
Warren through truss bridge over Mystic River on Amtrak
Open to traffic
Built 1982
Amtrak - Mystic River Bridge (Old)   [Map]
Through truss bridge over Mystic River on New York, New Haven & Hartford Railroad
Superstructure replaced
Built 1919, replaced 1984
Amtrak - Niantic River Bridge (New)   [Map · Street View]
Pony/through plate girder bridge over Niantic River on Amtrak Railroad
Open to traffic
Built 2013
Amtrak - Niantic River Bridge (Old)   [Map]
Pony plate girder over Niantic River on Amtrak
Replaced by a new bridge
Built 1907; Replaced 2012
Amtrak - Pawcatuck River Bridge #1   [Map · Street View]
Double-intersection Warren deck truss bridge over Pawcatuck River on Amtrak Northeast Corridor
Open to traffic
Built 1909; moved 100' upriver 1912
Amtrak - Shaw's Cove Bridge   [Map · Street View]
Through truss bridge over Shaw Cove/Coits Cove on Amtrak
Open to traffic
Built 1984
Amtrak - Shaw's Cove Bridge (Old)   [Map]
Lost Pratt through truss bridge over Shaw Cove/Coits Cove on New York, New Haven & Hartford Railroad
Superstructure replaced
Built 1913, replaced 1984
Amtrak - State Pier Road Overpass   [Map · Street View]
Pony/through plate girder bridge over State Pier Road/CT 437 on Amtrak Northeast Corridor
Open to traffic
Built 1915
Amtrak/NECR Overpass   [Map · Street View]
Warren through truss with all verticals bridge over New England Central Railroad on Amtrak Northeast Corridor
Open to traffic
Likely built 1919 in conjunction with neighboring Thames River bridge
Ashland Mill Bridge   [Map]
Lenticular pony truss bridge over Pachaug River on Ashland Mill Access
In storage or disassembled
Built 1886
Gold Star Memorial Bridge   [Map · Street View]
Pair of deck truss bridges over Thames River on I-95/US 1 in New London
Open to traffic
Built 1943; twin span built 1973
Hallville Mill Bridge   [Map · Street View]
Abandoned lenticular pony truss bridge over Poquetanuck Brook Pond on Old Hallville Mill Driveway
Derelict/abandoned
Built ca. 1890
Jordan Cove Bridge   [Map · Street View]
Concrete tee beam bridge over Jordan Cove on Jordan Cove Road
Open to traffic
Built 1937
Joshuatown Road Bridge   [Map · Street View]
Concrete arch bridge over Eight Mile River on Joshuatown Road in Lyme
Open to traffic
Built 1920; rehabilitated 1987
Lyme Street Bridge   [Map · Street View]
Concrete arch bridge over Lyme Street on I-95 in Old Lyme
Open to traffic
Built 1948
Mill Brook Bridge   [Map · Street View]
Lost stone arch bridge over Mill Brook on Blissville Road (Old Alignment)
Destroyed by flooding
Built ca. 1790; destroyed by flooding on March 30, 2010
Mosher Street Bridge   [Map]
Pony/through plate girder bridge over Amtrak Railroad on Mosher Street
Open to traffic
Built 1936
Mystic River Bascule Bridge   [Map · Street View]
Bascule bridge over Mystic River on US 1 West Main Street at Mystic
Open to traffic
Built 1922
Mystic River Bridge (Old)   [Map]
Lost Through truss bridge over Mystic River on New York & Boston Post Road/Groton & Stonington Street Railway
No longer exists
Built 1904; Replaced 1922
Mystic River Bridge (Older)   [Map]
Lost Howe through truss bridge over Mystic River on West Main Street
No longer exists
Built 1866; Replaced 1904
Mystic River Bridge (Oldest)   [Map]
Lost Stringer bridge over Mystic River on Trolley
No longer exists
NECR - Norwich Tunnel   [Map]
Tunnel under Sherman Street on New England Central Railroad
Open to traffic
NECR - Yantic Falls Bridge   [Map]
Warren through truss with all verticals bridge over Yantic River on New England Central Railroad
Open to traffic
NECR - Yantic Village Bridge   [Map · Street View]
Through truss bridge over Yantic River on New England Central Railroad
Open to traffic
NH - Great Drawbridge   [Map]
Pratt through truss bridge over Thames River on New York, New Haven & Hartford Railroad
Replaced by a new bridge
Replaced 1919
NH - Lyman Viaduct   [Map]
Buried Deck truss bridge over Dickinson Creek on former New Haven, Middletown and Willimantic Railroad
Filled in
Built 1871-73, buried by fill in 1912-13, railroad abandoned in 1965
NH - Mystic River Bridge (Older)   [Map]
Lost Through truss bridge over Mystic River on New York, New Haven & Hartford Railroad
Replaced by a new bridge
Built 1905; Replaced 1919
NH - Niantic River Bridge (Old)   [Map]
Lost Pratt through truss bridge over Niantic River on New York, New Haven & Hartford Railroad
Replaced by a new bridge
Built 1891; Replaced 1907
Niantic River Bridge   [Map · Street View]
Bascule bridge over Niantic River on CT 156 in East Lyme
Open to traffic
Built 1991
Niantic River Bridge (Old)   [Map]
Lost Warren through truss bridge over Niantic River on Route 156
Replaced by a new bridge
Norwich & Westerly - Assekonk Brook Arch   [Map]
Abandoned closed-spandrel arch bridge over Assekonk Brook on Abandoned Norwich & Westerly Railway
Abandoned
Norwich Bridge   [Map]
Lost Lenticular through truss bridge
Replaced by a new bridge
Pachaug River Bridge   [Map · Street View]
Concrete arch bridge over Pachaug River on Slater Avenue/CT 138 in Griswold
Open to traffic
Built 1946
Parkwood Road Bridge   [Map]
Wooden bridge over Little River-Hanover Res on Parkwood Road in Sprague
Open to traffic
Built 1929; rehabilitated 1992
Pease Brook Bridge   [Map]
Lost arch bridge over Pease Brook on Goshen Hill Road
No longer exists
Built ca. 1940; replaced 2003
Potash Hill Road Bridge   [Map]
Lost concrete arch bridge over Little River on Potash Hill Road in Sprague
Replaced by a new bridge
Built 1938; replaced 2005
Preston Bridge   [Map]
Lost double-intersection Warren deck truss bridge over Shetucket River on Main Street & Railroad (Norwich & Westerly Railway)
Replaced by a new bridge
PW - Kinsman Hill Road Overpass   [Map · Street View]
Stone arch bridge over Kinsman Hill Road Exd on P&W Willimantic Branch
Open to traffic
PW - Laurel Hill Tunnel   [Map · Street View]
Tunnel under Laurel Hill/CT 2 on Providence & Worcester Railroad
Open to traffic
Built 1875 by the Norwich & Worcester Railroad
PW - Little River Arch   [Map]
Closed-spandrel arch bridge over Little River on P&W Willimantic Branch
Open to traffic
Built 1909
PW - Shetucket River Bridge   [Map · Street View]
Pennsylvania through truss bridge over Shetucket River on Providence and Worcester Railroad
Open to traffic
Built 1890 for the Providence and Worcester Railroad
PW - Taft Tunnel   [Map]
Tunnel on P&W Norwich Branch
Open to traffic
Built 1837
PW - Waldo Brook Arch   [Map]
Closed-spandrel arch bridge over Waldo Brook on P&W Willimantic Branch
Open to traffic
Built 1906
Rocky Neck State Park Footbridge   [Map]
Steel arch bridge over Amtrak Northeast Corridor on Footpath
Open to pedestrians only
Built 1934
Saybrook Bridge   [Map · Street View]
Lost Through truss bridge over Connecticut River on Connecticut Turnpike Saybrook Electric railway and highway
No longer exists
Shetucket River Bridge   [Map · Street View]
Two-span deck truss bridge over Shetucket River on CT 169 in Norwich
Open to traffic
Built 1938; rehabilitated 1993
Slater Cotton Mill Bridge   [Map]
Lost Lenticular pony truss bridge over Mill Tailrace on Access Road; now named Wedgewood Drive
Removed but not replaced
Built c. 1890; removed late 1980's
Sunnyside Street Bridge   [Map · Street View]
Stone arch bridge over Yantic River on Sunnyside Street in Norwich
Open to traffic
Built 1908
Village Hill Road Bridge   [Map · Street View]
Stone arch bridge over Ten Mile River on Village Hill Road in Columbia
Open to traffic
Built ca. 1870; rehabilitated 2002
Yantic Falls Railroad Footbridge   [Map]
Pony truss bridge over New England Central Railroad on Footpath
Open to pedestrians only
Built 1904