This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Connecticut.

NameImageBuiltListedLocationCountyTypeArrawanna Bridge19182004-09-29MiddletownMiddlesexOpen-spandrel concrete archAshland Mill Bridge18861999-04-01, delisted 2016-02-02GriswoldNew LondonLenticular pony truss; demolishedBlackledge River Railroad Bridge1986-07-31ColchesterNew LondonWarren trussBoardman's Bridge18881976-05-13New MilfordLitchfieldLenticular trussBridge No. 113219342004-09-29Killingworth and MadisonMiddlesex and New HavenOpen-spandrel concrete archBridge No. 160319371993-07-29East HaddamMiddlesexStone arch; vernacular, rusticBridge No. 160419371993-07-29East HaddamMiddlesexStone arch; vernacular, rusticBridge No. 160519371993-07-29East HaddamMiddlesexStone arch; vernacular, rusticBridge No. 186019361993-07-29MontvilleNew LondonStone arch; vernacular, rusticBridge No. 230518732007-03-09SalisburyLitchfieldStone archBridge No. 45519292004-09-29SuffieldHartfordOpen-spandrel concrete archBridge No. 5601930 2004-09-29CornwallLitchfieldOpen spandrel concrete archBulkeley Bridge19081993-12-10HartfordHartfordStone archBull's Bridge1972-04-26KentLitchfieldTown lattice trussButts Bridge19372010-5-24CanterburyWindhamParker TrussComstock's Bridge1840, 18681976-01-01East HamptonMiddlesexHowe truss covered bridgeDepot Street Bridge19352007-03-09Beacon FallsNew HavenParker through trussDrake Hill Road Bridge18921984-07-19SimsburyHartfordParker trussFarmington River Railroad Bridge18671972-08-25WindsorHartfordStone archGlen Falls Bridge1999-04-01PlainfieldWindhamLenticular through TrussHamburg Bridge Historic District19361983-03-10LymeNew LondonConcrete arch; Queen AnneHousatonic River Railroad Bridge19041987-06-12Milford-StratfordFairfieldScherzer Rolling Lift BasculeLover's Leap Bridge18951976-05-13New MilfordLitchfieldLenticularLyman Viaduct18731986-08-21ColchesterNew LondonBuried wrought iron railroad trestle Main Street Bridge18881987-05-21StamfordFairfieldLenticular pony truss; closed to vehicular trafficMelrose Road Bridge18881999-08-05East WindsorHartfordLenticular pony trussMerritt Parkway Bridges1930s1991Greenwich, Stamford, New Canaan, Norwalk, Westport, Fairfield, Trumbull, StratfordFairfield CountySixty-six beam and arched structures of various 1930s styles, including Art Deco, Art Moderne and Neoclassicism. Mianus River Railroad Bridge19041987-06-12GreenwichFairfieldDeck Girder, BasculeMill Brook Bridge1997-01-02LisbonNew LondonMasonry arch; partially collapsedMinortown Road Bridge18902001-08-17WoodburyLitchfieldLenticular pony trussMystic Bridge Historic District19221979-08-31MysticNew LondonStrauss Heel Trunnion BasculeNorwalk River Railroad Bridge18961987-06-12South NorwalkFairfieldRim Bearing, SwingPackerville Bridge18861992-11-27PlainfieldWindhamMasonry archPequabuck Bridge1832, 18331984-07-19FarmingtonHartfordStone archPequonnock River Railroad Bridge19021987-06-12BridgeportFairfieldThrough Girder BasculePerry Avenue Bridge18992006-10-25NorwalkFairfieldSingle-span arch-deckPine Creek Park Bridge1872, 1890, 19791992-04-08FairfieldFairfieldPratt pony trussRapallo Viaduct18731986-08-21East HamptonMiddlesexFilled-over wrought iron railroad viaductRed Bridge18911993-12-10MeridenNew HavenLenticular trussReynolds Bridge19282004-09-29ThomastonLitchfieldOpen-spandrel concrete archRiver Road Stone Arch Railroad Bridge18871986-08-21ColchesterNew LondonStone archRiverside Avenue Bridge18711977-08-29GreenwichFairfieldPratt trussSaugatuck River Bridge18841987-02-12WestportFairfieldPin-connected swing bridgeSaugatuck River Railroad Bridge19051987-06-12WestportFairfieldDeck Girder, BasculeSheffield Street Bridge18842001-04-12WaterburyNew HavenLenticular pony trussSkilton Road Bridge1991-12-10WatertownLitchfieldMasonry-archStarr Mill Road Bridge19271993-12-10MiddletownMiddlesexWarren through trussStone Bridge18331985-03-28HartfordHartford Stone archTown Bridge18951999-08-05CantonHartfordParker through trussTurn-of-River Bridge1892, 18931987-07-31StamfordFairfieldLenticular pony truss; foot traffic onlyWashington Avenue Bridge18812001-04-12WaterburyNew HavenLenticular pony trussWashington Bridge19212004-09-29Milford & StratfordFairfield & New HavenOpen-spandrel concrete arch bascule bridgeWest Cornwall Covered Bridge18641975-12-30West CornwallLitchfieldTown lattice trussWillimantic Footbridge19061979-04-19WillimanticWindhamSteel truss footbridge

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