Air Line Railroad Bridge[Map] Lost Quadrangular lattice through truss bridge over Connecticut River on New York, New Haven & Hartford Railroad Replaced by a new bridge Built 1872; Destroyed by Steamboat collision 1876; Replaced 1886
Air Line State Park Trail - Muddy Gutter Brook Arch[Map] Abandoned stone arch bridge over Muddy Gutter Brook on NYNH&H Air Line (abandoned) Open to pedestrians and bicycles Built 1870; abandoned 1965; opened to trail users ca. 2016
Arrawanna Bridge[Map] Open-spandrel arch bridge over Coginchaug River on Berlin Street in Middletown Intact but closed to all traffic Built 1918
Arrigoni Bridge[Map · Street View] Steel through arch bridge over Connecticut River on CT 66 in Middletown Open to traffic Built 1938; rehabilitated 1994
Chester-Hadlyme Ferry[Map · Street View] Ferry across Connecticut River on Route 148 Open to traffic Began service 1783. The "Selden III" double-ender has been in service since 1950.
CT 16 Salmon River Bridge[Map · Street View] Concrete stringer bridge over Salmon River on CT 16/Colchester Avenue in East Hampton Open to traffic Built 1932; rehabilitated 1986
Devils Hopyard Bridge No. 1[Map] Stone arch bridge over an unnamed brook on CT 434 (Hopyard Road) in East Haddam Open to traffic Built 1937; rehabilitated 1988
Devils Hopyard Bridge No. 2[Map] Stone arch bridge over unnamed brook on CT 434 (Hopyard Road) in East Haddam Open to traffic Built 1937; rehabilitated 1988
Devils Hopyard Bridge No. 3[Map] Stone arch bridge over Muddy Brook on CT 434 (Hopyard Road) in East Haddam Open to traffic Built 1937; rehabilitated 1988
East Haddam Bridge[Map · Street View] Swing through truss bridge over Connecticut River on CT 82 in East Haddam Open to traffic Built 1913; rehabilitated 1999
Foxtown Road Bridge[Map · Street View] Wooden bridge over Eight Mile River on Foxtown Road in East Haddam Replaced by a new bridge Built 1940; rehabilitated 1992; demolished by 2020 and replaced by new bridge
Hammock River Bridge[Map] Slab bridge over Hammock River on Waterside Lane in Clinton Open to traffic Built 1994
Hammonasset River Bridge[Map] Lost Pony truss bridge over Hammonasset River on W. Main Street Replaced by a new bridge
Hammonasset River Bridge[Map · Street View] Open-spandrel arch bridge over Hammonasset River on CT 80 in Madison Open to traffic Built 1934; rehabilitated 1970
Jackson Street Bridge[Map] Pony truss bridge over Coginchaug River on Jackson Street in Middletown Removed but not replaced Built ca. 1885
Little River Bridge[Map] Lost Lenticular pony truss bridge over Mattabesset River on Newfield ST Replaced by a new bridge
Little River Bridge[Map] Lost Bowstring pony truss bridge over Mattabesset River on Newfield ST Replaced by a new bridge Built 1875
Lyme-Saybrook Ferry[Map] Lost Ferry across Connecticut River Replaced by a new bridge Established in 1662 and abolished in 1911 when automobile bridge built.
Mattabesset River Bridge[Map · Street View] Abandoned lenticular pony truss bridge over Mattabesset River on Unknown Road Derelict/abandoned Built 1880s or 1890s
Mill Bridge[Map] Stone arch bridge over Allyn's Brook on Main Street/ CT 17 in Durham Open to traffic Built 1823; covered by new bridge 1927; rediscovered 1994
NH - Mattabesset River Bridge[Map] Abandoned deck plate girder bridge over Mattabesset River on NYNH&H Berlin Branch Derelict/abandoned Abandoned 1965
NH - Mine Brook Arch[Map] Abandoned stone arch bridge over Mine Brook on NYNH&H Air Line (abandoned) Derelict/abandoned Abandoned 1965
NH - Rapallo Viaduct[Map] Buried Deck truss bridge over Flat Brook on former New Haven, Middletown and Willimantic Railroad Filled in Built 1873, buried by fill in 1912-13, railroad abandoned in 1965
NH - Swamp Brook Bridge[Map] Abandoned stone arch bridge over Swamp Brook on NH Berlin Branch Derelict/abandoned Rail line abandoned 1965
NHM&W - Rockfall Bridge[Map] Pratt deck truss bridge over Coginchaug River on New Haven, Middletown & Willimantic Railroad Replaced by a new bridge Replaced ca. 1898 by current bridge
Nineveh Bridge[Map] Lost Pony truss bridge over Hammonasset River on Branford Road Replaced by a new bridge
Portland Passenger Bridge[Map] Lost swing bridge over Connecticut River on Main street Replaced by a new bridge Built 1896 by Berlin Iron Bridge Co.; Damaged by flood 1936; Demolished 1938
PW - Coginchaug River Bridge[Map] Double-intersection Warren deck truss bridge over Coginchaug River on P&W Air Line Branch Open to traffic Built 1898
PW - Coginchaug River Bridge[Map] Deck plate girder bridge over Coginchaug River on P&W East Berlin Industrial Track Open to traffic Built 1926
PW - CT66 Overpass[Map · Street View] Through truss bridge over CT 66 on Connecticut Central Railroad Open to traffic Built 1996
PW - Middletown Swing Bridge[Map · Street View] Swing through truss bridge over the Connecticut River on the Connecticut Central Railroad in Middletown Open to traffic Replaced an earlier bridge at this location built in 1872.
PW - South Street Overpass[Map · Street View] Steel stringer bridge over South Street & Cromwell Creek on Providence & Worcester Railroad Open to traffic Built 1910
PW - Sumner Brook Bridge[Map · Street View] Pony/through plate girder bridge over Sumner Brook on Providence & Worcester Railroad Out of Service Built 1911
Raymond E. Baldwin Bridge[Map · Street View] Concrete segmental box girder bridge over Connecticut River on Interstate 95 Open to traffic Built 1948; rehabilitated 1993
Roaring Brook Bridge[Map] Concrete arch bridge over Roaring Brook on CT 154 in Haddam Open to traffic Built 1931
Saybrook Bridge[Map] Lost deck truss bascule bridge over Connecticut River on Shoreline Electric railway and highway No longer exists Opened in 1911 and replaced in 1948
Singing Bridge[Map · Street View] Through truss bridge over Patchaug River on US 1 in Westbrook Open to traffic Built 1925 by the American Bridge Co.; rehabilitated 2004
Starr Mill Bridge[Map] Warren pony truss with alternating verticals bridge over Coginchaug River on Starr Mill Road in Middletown Intact but closed to all traffic Built 1927
Sumner Brook Bridge[Map] Arch bridge over Sumner Brook on Main Street Extension in Middletown. Open to traffic Built 1935
US1 Indian River Bridge[Map · Street View] Concrete culvert bridge over Indian River on US1 in Clinton. Open to traffic Built 1876, rehabilitated 1956
VALE - Higganum Creek Bridge[Map] Pony/through plate girder bridge over Higganum Creek on Valley Railroad in Higganum. Currently out of service Built 1910s, last train in 1968
West Street Bridge[Map · Street View] Wooden bridge over Connecticut Central Railroad on West Street in Middletown Replaced by a new bridge in 2019 Built 1932