Air Line State Park Trail - Natchaug River Bridge[Map · Street View] Deck plate girder bridge over Natchaug River on Airline North State Park Trail in North Windham Open to pedestrians only Built 1905, abandoned 1985, converted for trail use during the 1990s
Air Line State Park Trail - Willimantic River Bridge[Map] Deck plate girder bridge over Willimantic River on Airline South State Park Trail in Willimantic Open to trail traffic Built 1900, abandoned 1965, converted for trail use 2015
Baker Road Bridge[Map] Wooden bridge over Quaddick Lake on Baker Road in Thompson Open to traffic Built 1940; rehabilitated 1987
Bates Avenue Bridge[Map] Stone arch bridge over Little Dam Tavern Brook on Bates Avenue in Putnam Open to traffic Built c. 1840
Bigelow Brook Bridge[Map] Wooden bridge over Bigelow Brook on Boston Hollow Road in Ashford Open to traffic Built 1910; rehabilitated 1985
Brandy Hill Road Bridge[Map · Street View] Wooden bridge over Quaddick Lake on Brandy Hill Road in Thompson Open to traffic Built 1940; rehabilitated 1986
Bridge Street Bridge[Map · Street View] Stone arch bridge over Willimantic River on CT 32 (Bridge Street) in Willimantic Open to traffic Built 1868
Butts Bridge[Map · Street View] Through truss bridge over Quinebaug River on CT 668 (Butts Bridge Road) in Canterbury Open to traffic Built 1937 by the Fort Pitt Bridge Works; rehabilitated 1988
Canal Bridge[Map] Stone arch bridge over Canal on CT 12 in Thompson Open to traffic Built 1928
Chase Road Bridge[Map] Wooden bridge over Cady Brook on Chase Road in Putnam Open to traffic Built 1940; rehabilitated 1991
Coventry Greenway - Moosup River Bridge[Map] Through truss bridge over Moosup River on the Coventry Greenway/Moosup Valley State Park Trail in Moosup Open to pedestrians Built 1903
CT66 Overpass[Map · Street View] Pony truss bridge over Central Vermont Railroad on CT 66 in Windham Open to traffic Built 1937; rehabilitated 1988
Danielson Footbridge[Map] Warren through truss with all verticals over Fivemile River on Quinebaug River Trail/East Coast Greenway in Killingly Open to pedestrians only
East Thompson Wooden Bridge[Map] Abandoned timber stringer bridge over Air Line State Park Trail on Abandoned road in Thompson Derelict/abandoned
Five Mile River Bridge[Map] Stone arch bridge over Five Mile River on Attawaugan-Ballouville Road in Killingly Open to traffic Built ca. 1860
Five Mile River Bridge[Map] Concrete arch bridge over Five Mile River on US 44 in Putnam Open to traffic Built 1931
Franklin Street Bridge[Map] Lost Stone arch bridge over Fivemile River on Franklin Street in Danielson. Replaced by a new bridge
Frog Bridge[Map · Street View] Steel arch bridge over Willimantic River on South Street in Willimantic Open to traffic Built 2000
Glen Falls Bridge[Map] Lenticular through truss bridge over Moosup River on Brunswick Avenue in Moosup Open to pedestrians only Built 1886 by the Berlin Iron Bridge Co.
Hall's Mill Bridge[Map] Lost Bridge over Natchaug River on Mansfield Road in North Windham. Replaced by a new bridge
Kitt Brook Bridge[Map] Wooden bridge over Kitt Brook on Tracy Road in Canterbury Open to traffic Built 1928; rehabilitated 1986
Long Bridge[Map] Lost Closed-spandrel arch bridge over Quinebaug River on Bridge Street in Putnam. Replaced by a new bridge Built 1913
Marcy Hollow Bridge[Map] Lost Pony truss bridge over Mashamoquet Brook on road Replaced by a new bridge
NECR - Windham Road Overpass[Map] Pony/through plate girder over Windham Road on New England Central Railroad in Willimantic Open to traffic
NH - French River Bridge[Map] Lost Howe through truss bridge over French River on New York, New Haven & Hartford Railroad in Thompson. Replaced by a new bridge Replaced 1905
NH - Moosup River Bridge[Map · Street View] Abandoned deck plate girder over Moosup River on New Haven Railroad in Moosup Derelict/abandoned Built 1920, abandoned 1967
NH - Quinebaug River Bridge[Map · Street View] Lost Deck plate girder bridge over Quinebaug River, River Road, and Kennedy Drive on NYNH&H Midland Division in Putnam Replaced by a pedestrian bridge Built 1904, two southern spans lost to 1955 floods, line abandoned 1959, remainder demolished at a later point
Packerville Bridge[Map] Stone arch bridge over Mill Brook on Packerville Road in Plainfield Open to traffic Built 1886; deck replaced 2003
Parker Road Bridge[Map] Abandoned timber stringer bridge over Airline North State Park Trail on former alignment of Parker Road in Chaplin Derelict/abandoned
Peep Toad Road Bridge[Map] Stone arch bridge over Whetstone Brook on Peep Toad Road in Killingly Open to traffic Built ca. 1850; rehabilitated 1974
Phoenixville Road-Natchaug River Bridge (Old)[Map] Lost Lenticular pony truss bridge in Chaplin Replaced by a new bridge Built c. 1890 by Berlin Iron Bridge Co; Bypassed 1926; Removed before 1970
Pine Street Bridge[Map · Street View] Pin connected Whipple deck truss bridge over Willimantic River on Pine Street in Willimantic Closed to all traffic Built 1880; Closed c.1985
Providence Street Bridge[Map] Lost Lenticular through truss bridge over Quinebaug River on Providence Street in Putnam Replaced by a new bridge
Putnam Memorial Bridge[Map · Street View] Concrete arch bridge over Quinebaug River on US 44 in Putnam Open to traffic Built 1925; rehabilitated 1957; reconstructed 2016
PW - Arch Street Overpass[Map] Stone arch bridge over Arch Street on Providence & Worcester Railroad in Putnam Open to traffic
PW - Fivemile River Bridge[Map] Stone arch bridge over Fivemile River on Providence & Worcester Railroad in Killingly Open to traffic
PW - French River Bridge[Map] Pony/through plate girder bridge over French River on Providence & Worcester Railroad in Thompson. Open to traffic Built 1905
PW - Willimantic River Bridge[Map · Street View] Deck plate girder bridge over Willimantic River on Providence & Worcester Railroad in Willimantic Open to traffic Built 1904
Quinebaug Bridge[Map] Lost Bridge over Quinebaug River on Main Street in Danielson Demolished Bridge was removed and not replaced when U.S.6 was relocated upstream.
Quinebaug River Bridge (1931)[Map · Street View] Pony/through plate girder bridge over Quinebaug River on Route 197 in Quinebaug Open to traffic Built 1931; rehabilitated 1987
River Street Bridge[Map] Lost lenticular through truss bridge over Moosup River on River Street in Moosup no longer exists. Built 1886 by the Berlin Iron Bridge Co.; rehabilitated 1980; replaced 2001
West Thompson Bridge[Map] Lost Lenticular through truss bridge over Quinebaug River on W Thompson Road Replaced by a new bridge
Willimantic Footbridge[Map · Street View] Pratt through truss bridge over Willimantic River & New England Central Railroad on Pedestrian Path in Willimantic Open to pedestrians only Built 1906
Willimantic River Bridge[Map · Street View] Steel stringer bridge over Willimantic River & East Coast Greenway on Route 66 in Willimantic Open to traffic Built 1937; rehabilitated 1987
Windham Road Bridge[Map · Street View] Two-span stone arch bridge over Willimantic River on Windham Road in Willimantic Open to pedestrians only Built 1857; bypassed 2001; reopened to pedestrians 2006