This is a list of bridges documented by the Historic American Engineering Record in the U.S. state of Connecticut.

Bridges Survey No.Name (as assigned by HAER)StatusTypeBuiltDocumentedCarriesCrossesLocationCountyCoordinatesIndian Leap Pedestrian BridgeReplacedWarren truss19041979Yantic RiverNorwichNew LondonBeachside Avenue BridgeReplacedWarren truss18911980Beachside AvenueAmtrak Northeast CorridorWestportFairfieldDouble Intersection Warren Truss BridgeExtantWarren truss19071983New York, New Haven and Hartford Railroad (former)Blackledge RiverColchesterNew LondonRiverside Avenue BridgeExtantPratt truss18711985Riverside AvenueAmtrak Northeast CorridorGreenwichFairfieldGrasmere Avenue BridgeReplacedWarren truss1983Grasmere AvenueAmtrak Northeast CorridorFairfieldFairfieldBoardman's Lenticular BridgeExtantLenticular truss18881985Boardman's RoadHousatonic RiverNew MilfordLitchfieldLover's Leap Lenticular BridgeExtantLenticular truss18951985Pumpkin Hill RoadHousatonic RiverNew MilfordLitchfieldWashington Avenue Lenticular Truss BridgeExtantLenticular truss18801985Washington AvenueMad RiverWaterburyNew HavenToelles Road BridgeReplacedWarren truss18981985Toelles RoadQuinnipiac RiverWallingford and North HavenNew HavenNiantic River Swing BridgeReplacedSwing span19211987Niantic RiverEast Lyme and WaterfordNew LondonNew York, New Haven & Hartford Railroad, Shaw's Cove BridgeReplacedSwing span19131983Amtrak Northeast CorridorShaw's CoveNew LondonNew LondonNew York, New Haven & Hartford Railroad, Groton BridgeReplacedStrauss bascule19191983Amtrak Northeast CorridorThames RiverNew London and GrotonNew LondonNew York, New Haven & Hartford Railroad, Mystic River BridgeReplacedSwing span19191983Amtrak Northeast CorridorMystic RiverGroton and StoningtonNew LondonNew York, New Haven & Hartford Railroad, Niantic BridgeReplacedRolling lift (Scherzer) bascule19071983Amtrak Northeast CorridorNiantic RiverEast Lyme and WaterfordNew LondonWater Street BridgeReplacedBaltimore truss18941987Metro-North RailroadNew HavenNew HavenPatch Street BridgeReplacedStone arch18851986Patch StreetKohanza BrookDanburyFairfieldPalisado Avenue BridgeReplacedPratt truss19161988Palisado AvenueFarmington RiverWindsorHartfordGaylordsville BridgeReplacedParker truss19261988Housatonic RiverNew MilfordLitchfieldBog Hollow BridgeReplacedParker truss19231988Housatonic RiverKentLitchfieldBridge Street BridgeReplacedPratt truss19211988Connecticut RiverWindsor Locks and East WindsorHartfordFrost Bridge Road BridgeReplacedPratt truss19221988Naugatuck RiverThomaston and WatertownLitchfieldMerritt Parkway, Lapham Avenue BridgeReplacedReinforced concrete rigid frame19371987Lapham RoadNew CanaanFairfieldMerritt Parkway, Wilton Road BridgeReplacedReinforced concrete T-beam19381987WestportFairfieldTariffville Road BridgeReplacedParker truss18941991Farmington RiverSimsburyHartfordChapel Street Swing BridgeReplacedSwing span18991988Chapel StreetMill RiverNew HavenNew HavenWest Main Street BridgeReplacedSteel built-up girder19281989West Main StreetWepawaug RiverMilfordNew HavenSaugatuck River BridgeExtantSwing span18841991Saugatuck RiverWestportFairfieldBridge No. 110RehabilitatedWarren truss18961990Metro-North RailroadWepawaug RiverMilfordNew HavenBridge No. 475ReplacedWarren truss19271990Pequabuck RiverFarmingtonHartfordWalnut Street Railroad BridgeReplacedWarren truss19071991Walnut StreetAmtrakHartfordHartfordBridge Street BridgeReplacedWarren truss18941991Bridge StreetMetro-North RailroadNorwalkFairfieldFerry Street Railroad BridgeExtantWarren truss19121991Ferry StreetMetro-North RailroadNew HavenNew HavenMerritt Parkway, Bridge No. 744ReconstructedReinforced concrete rigid frame19361991FairfieldFairfieldMerritt Parkway, Rocky Hill Road BridgeDemolishedSteel built-up girder19351991Rocky Hill RoadTrumbullFairfieldMerritt Parkway, Pequonnock River BridgeReplacedReinforced concrete girder19351991Pequonnock RiverTrumbullFairfieldOlive Street Railroad BridgeReplacedWarren truss19071991Olive StreetAmtrak Northeast CorridorNew HavenNew HavenTomlinson BridgeReplacedSimple trunnion bascule19241993Quinnipiac RiverNew HavenNew HavenMerritt Parkway, West Branch Byram River BridgeReconstructedReinforced concrete T-beam19341992Byram RiverGreenwichFairfieldMerritt Parkway, Riversville Road (East Branch) BridgeReplacedSteel rolled multi-beam19351992Riversville Road and East Branch of Byram RiverGreenwichFairfieldMerritt Parkway, Glenville Water Company & Brook BridgeExtantReinforced concrete rigid frame19351992Glenville Water Company Road and brookGreenwichFairfieldMerritt Parkway, East Branch Byram River BridgeExtantReinforced concrete cast-in-place slab19351992Converse Pond BrookGreenwichFairfieldMerritt Parkway, Round Hill Road BridgeExtantReinforced concrete rigid frame19351992Round Hill RoadGreenwichFairfieldMerritt Parkway, Lake Avenue BridgeExtantSteel rigid frame19701992Lake AvenueGreenwichFairfieldMerritt Parkway, North Street BridgeReconstructedReinforced concrete rigid frame19371992North StreetGreenwichFairfieldMerritt Parkway, Taconic Road BridgeExtantReinforced concrete closed-spandrel arch19371992Taconic RoadGreenwichFairfieldMerritt Parkway, Stanwich Road BridgeReconstructedReinforced concrete rigid frame19371992Stanwich RoadGreenwichFairfieldMerritt Parkway, Guinea Road BridgeExtantReinforced concrete closed-spandrel arch19341992Guinea RoadStamfordFairfieldMerritt Parkway, Mianus River CulvertExtantCulvert19371992Mianus RiverStamfordFairfieldMerritt Parkway, Riverbank Road BridgeExtantReinforced concrete rigid frame19371992Riverbank RoadStamfordFairfieldMerritt Parkway, Long Ridge Road/Route 104 BridgeExtantReinforced concrete rigid frame19361992StamfordFairfieldMerritt Parkway, Wire Mill Road BridgeExtantReinforced concrete rigid frame19381992Wire Mill RoadStamfordFairfieldMerritt Parkway, Rippowam River BridgeExtantReinforced concrete closed-spandrel arch19361992Rippowam RiverStamfordFairfieldMerritt Parkway, High Ridge Road/Route 137 BridgeReconstructedSteel rigid frame19371992StamfordFairfieldMerritt Parkway, Newfield Avenue BridgeReconstructedReinforced concrete rigid frame19371992Newfield AvenueStamfordFairfieldMerritt Parkway, Ponus Ridge Road BridgeExtantReinforced concrete rigid frame19371992Ponus Ridge RoadNew CanaanFairfieldMerritt Parkway, Old Stamford Road/Route 106 BridgeReconstructedReinforced concrete rigid frame19391992New CanaanFairfieldMerritt Parkway, Metro North Railroad BridgeExtantReinforced concrete rigid frame19371992Metro-North RailroadNew CanaanFairfieldMerritt Parkway, South Avenue/Route 124 BridgeReconstructedReinforced concrete rigid frame19371992New CanaanFairfieldMerritt Parkway, White Oak Shade Road BridgeReconstructedReinforced concrete rigid frame19371992White Oak Shade RoadNew CanaanFairfieldMerritt Parkway, Marvin River Road BridgeReplacedReinforced concrete rigid frame19371992Marvin Ridge RoadNew CanaanFairfieldMerritt Parkway, New Canaan Road/Route 123 BridgeReconstructedSteel rigid frame19371992NorwalkFairfieldMerritt Parkway, Comstock Hill Road BridgeReconstructedReinforced concrete rigid frame19381992Comstock Hill AvenueNorwalkFairfieldMerritt Parkway, Silvermine Avenue BridgeExtantReinforced concrete rigid frame19381992Silvermine AvenueNorwalkFairfieldMerritt Parkway, Perry Avenue BridgeExtantReinforced concrete rigid frame19361992Perry AvenueNorwalkFairfieldMerritt Parkway, Metro North Railroad BridgeExtantReinforced concrete rigid frame19371992Metro-North RailroadNorwalkFairfieldMerritt Parkway, Norwalk River BridgeReconstructedReinforced concrete closed-spandrel arch19381992Norwalk RiverNorwalkFairfieldMerritt Parkway, Main Avenue/Route 7 BridgeExtantReinforced concrete rigid frame19371992NorwalkFairfieldMerritt Parkway, West Rocks Road BridgeReconstructedSteel rigid frame19381992West Rocks RoadNorwalkFairfieldMerritt Parkway, East Rocks Road BridgeExtantReinforced concrete rigid frame19381992East Rocks RoadNorwalkFairfieldMerritt Parkway, Grumman Avenue BridgeReconstructedReinforced concrete rigid frame19381992Grumman AvenueNorwalkFairfieldMerritt Parkway, Chestnut Hill Road/Route 53 BridgeExtantReinforced concrete rigid frame19381992NorwalkFairfieldMerritt Parkway, Newton Turnpike BridgeExtantReinforced concrete rigid frame19391992Newton TurnpikeWestportFairfieldMerritt Parkway, Saugatuck River BridgeReconstructedSteel arch19381992Saugatuck RiverWestportFairfieldMerritt Parkway, Clinton Avenue/North Clinton Avenue BridgeExtantSteel rigid frame19401992Clinton AvenueWestportFairfieldMerritt Parkway, Weston Road/Route 57 BridgeReconstructedReinforced concrete rigid frame19381992WestportFairfieldMerritt Parkway, Easton Road/Route 136 BridgeReconstructedSteel rigid frame19381992WestportFairfieldMerritt Parkway, North Avenue BridgeExtantReinforced concrete rigid frame19391992North AvenueWestportFairfieldMerritt Parkway, Bayberry Lane BridgeExtantReinforced concrete rigid frame19391992Bayberry LaneWestportFairfieldMerritt Parkway, Cross Highway BridgeExtantReinforced concrete closed-spandrel arch19381992Cross HighwayFairfieldFairfieldMerritt Parkway, Merwins Lane BridgeExtantReinforced concrete rigid frame19401992Merwins LaneFairfieldFairfieldMerritt Parkway, Redding Road BridgeExtantReinforced concrete rigid frame19391992Redding RoadFairfieldFairfieldMerritt Parkway, Congress Street BridgeExtantReinforced concrete rigid frame19381992Congress StreetFairfieldFairfieldMerritt Parkway, Hillside Road BridgeExtantReinforced concrete rigid frame19401992Hillside RoadFairfieldFairfieldMerritt Parkway, Burr Street BridgeReconstructedReinforced concrete rigid frame19391992Burr StreetFairfieldFairfieldMerritt Parkway, Black Rock Turnpike/Route 58 BridgeExtantReinforced concrete rigid frame19381992FairfieldFairfieldMerritt Parkway, Cricker Brook CulvertExtantCulvert19401992Cricker BrookFairfieldFairfieldMerritt Parkway, Morehouse Drive BridgeExtantReinforced concrete rigid frame19391992Morehouse DriveFairfieldFairfieldMerritt Parkway, Mill River BridgeExtantReinforced concrete rigid frame19401992Mill RiverFairfieldFairfieldMerritt Parkway, Park Avenue BridgeExtantReinforced concrete closed-spandrel arch19401992Park AvenueTrumbullFairfieldMerritt Parkway, Plattsville Road BridgeExtantReinforced concrete rigid frame19391992Plattsville RoadTrumbullFairfieldMerritt Parkway, Madison Avenue BridgeExtantReinforced concrete rigid frame19391992Madison AvenueTrumbullFairfieldMerritt Parkway, Main Street/Route 25 BridgeReconstructedReinforced concrete rigid frame19361992TrumbullFairfieldMerritt Parkway, Frenchtown Road BridgeExtantReinforced concrete rigid frame19421992Frenchtown RoadTrumbullFairfieldMerritt Parkway, Reservoir Road BridgeExtantReinforced concrete rigid frame19391992Reservoir AvenueTrumbullFairfieldMerritt Parkway, Silvermine River BridgeExtantReinforced concrete closed-spandrel arch19571992Silvermine RiverNorwalkFairfieldMerritt Parkway, White Plains Road/Route 127 BridgeReconstructedSteel built-up girder19341992TrumbullFairfieldMerritt Parkway, Unity Road BridgeReconstructedSteel rigid frame19401992Unity RoadTrumbullFairfieldMerritt Parkway, Huntington Turnpike/Route 108 BridgeReplacedReinforced concrete rigid frame19401992TrumbullFairfieldMerritt Parkway, Nichols-Shelton Road BridgeDemolishedReinforced concrete closed-spandrel arch19401992Nichols-Shelton RoadTrumbullFairfieldMerritt Parkway, Huntington Road BridgeExtantReinforced concrete rigid frame19401992Huntington RoadStratfordFairfieldMerritt Parkway, Cutspring Road BridgeExtantReinforced concrete rigid frame19401992Cutspring RoadStratfordFairfieldMerritt Parkway, Pumpkin Brook CulvertExtantCulvert19411992Pumpkin BrookStratfordFairfieldMerritt Parkway, James Farm Road BridgeExtantReinforced concrete rigid frame19401992James Farm RoadStratfordFairfieldMerritt Parkway, Main Street/Route 110 BridgeReconstructedSteel rigid frame19401992StratfordFairfieldYellow Mill BridgeRehabilitatedSimple trunnion bascule19291995Yellow Mill ChannelBridgepo