New London County

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 - Niantic River Bridge (Old)   [Map · Street View]
Through truss bridge over Niantic River on Railroad
Replaced by a new bridge
Built 1907; Replaced 2012
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
Joshuatown Road Bridge   [Map]
Concrete arch bridge over Eight Mile River on Joshuatown Road in Lyme
Open to traffic
Built 1920; rehabilitated 1987
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
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
Mystic River Bascule Bridge   [Map · Street View]
Bascule bridge over Mystic River on US 1 at Mystic
Open to traffic
Built 1922
Niantic River Bridge   [Map · Street View]
Bascule bridge over Niantic River on CT 156 in East Lyme
Open to traffic
Built 1991
Niantic River Railroad Bridge   [Map · Street View]
Pony/through plate girder bridge over Niantic River on Amtrak Railroad
Open to traffic
Built 2013
Norwich & Westerly Assekonk Brook Arch   [Map · Street View]
Abandoned closed-spandrel arch bridge over Assekonk Brook on Abandoned Norwich & Westerly Railway
Abandoned
Pachaug River Bridge   [Map]
Concrete arch bridge over Pachaug River on 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 Shetucket River Bridge   [Map · Street View]
Baltimore through truss bridge over Shetucket River on Providence and Worcester Railroad
Open to traffic
Built 1890 for the Providence and Worcester Railroad
Shetucket River Bridge   [Map]
Two-span deck truss bridge over Shetucket River on CT 169 in Norwich
Open to traffic
Built 1938; rehabilitated 1993
Sunnyside Street Bridge   [Map]
Stone arch bridge over Yantic River on Sunnyside Street in Norwich
Open to traffic
Built 1908
Village Hill Road Bridge   [Map]
Stone arch bridge over Ten Mile River on Village Hill Road in Columbia
Open to traffic
Built ca. 1870; rehabilitated 2002