Survey No. Name (as assigned by HAER) Status Type [2] Built Documented Carries Crosses Location County Coordinates CT-4 Indian Leap Pedestrian Bridge Replaced Warren truss 1904 1979 Yantic River Norwich New London 41°32′2″N 72°05′24″W / 41.53389°N 72.09000°W / 41.53389; -72.09000 (Indian Leap Pedestrian Bridge ) CT-5 Beachside Avenue Bridge Replaced Warren truss 1891 1980 Beachside Avenue Amtrak Northeast Corridor Westport Fairfield 41°07′15″N 73°19′10″W / 41.12083°N 73.31944°W / 41.12083; -73.31944 (Beachside Avenue Bridge ) CT-7 Double Intersection Warren Truss Bridge Extant Warren truss 1907 1983 New York, New Haven and Hartford Railroad (former) Blackledge River Colchester New London 41°34′56″N 72°25′21″W / 41.58222°N 72.42250°W / 41.58222; -72.42250 (Double Intersection Warren Truss Bridge ) CT-13 Riverside Avenue Bridge Extant Pratt truss 1871 1985 Riverside Avenue Amtrak Northeast Corridor Greenwich Fairfield 41°01′54″N 73°35′17″W / 41.03167°N 73.58806°W / 41.03167; -73.58806 (Riverside Avenue Bridge ) CT-15 Grasmere Avenue Bridge Replaced Warren truss 1983 Grasmere Avenue Amtrak Northeast Corridor Fairfield Fairfield 41°09′22″N 73°14′28″W / 41.15611°N 73.24111°W / 41.15611; -73.24111 (Grasmere Avenue Bridge ) CT-16 Boardman's Lenticular Bridge Extant Lenticular truss 1888 1985 Boardman's Road Housatonic River New Milford Litchfield 41°35′36″N 73°27′00″W / 41.59333°N 73.45000°W / 41.59333; -73.45000 (Boardman's Lenticular Bridge ) CT-17 Lover's Leap Lenticular Bridge Extant Lenticular truss 1895 1985 Pumpkin Hill Road Housatonic River New Milford Litchfield 41°32′39″N 73°24′25″W / 41.54417°N 73.40694°W / 41.54417; -73.40694 (Lover's Leap Lenticular Bridge ) CT-18 Washington Avenue Lenticular Truss Bridge Extant Lenticular truss 1880 1985 Washington Avenue Mad River Waterbury New Haven 41°32′39″N 73°02′16″W / 41.54417°N 73.03778°W / 41.54417; -73.03778 (Washington Avenue Lenticular Truss Bridge ) CT-20 Toelles Road Bridge Replaced Warren truss 1898 1985 Toelles Road Quinnipiac River Wallingford and North Haven New Haven 41°25′58″N 72°51′03″W / 41.43278°N 72.85083°W / 41.43278; -72.85083 (Toelles Road Bridge ) CT-22 Niantic River Swing Bridge Replaced Swing span 1921 1987 Route 156 Niantic River East Lyme and Waterford New London 41°19′26″N 72°10′35″W / 41.32389°N 72.17639°W / 41.32389; -72.17639 (Niantic River Swing Bridge ) CT-24 New York, New Haven & Hartford Railroad, Shaw's Cove Bridge Replaced Swing span 1913 1983 Amtrak Northeast Corridor Shaw's Cove New London New London 41°20′57″N 72°05′49″W / 41.34917°N 72.09694°W / 41.34917; -72.09694 (New York, New Haven & Hartford Railroad, Shaw's Cove Bridge ) CT-25 New York, New Haven & Hartford Railroad, Groton Bridge Replaced Strauss bascule 1919 1983 Amtrak Northeast Corridor Thames River New London and Groton New London 41°21′47″N 72°05′15″W / 41.36306°N 72.08750°W / 41.36306; -72.08750 (New York, New Haven & Hartford Railroad, Groton Bridge ) CT-26 New York, New Haven & Hartford Railroad, Mystic River Bridge Replaced Swing span 1919 1983 Amtrak Northeast Corridor Mystic River Groton and Stonington New London 41°20′56″N 71°58′13″W / 41.34889°N 71.97028°W / 41.34889; -71.97028 (New York, New Haven & Hartford Railroad, Mystic River Bridge ) CT-27 New York, New Haven & Hartford Railroad, Niantic Bridge Replaced Rolling lift (Scherzer) bascule 1907 1983 Amtrak Northeast Corridor Niantic River East Lyme and Waterford New London 41°19′22″N 72°10′37″W / 41.32278°N 72.17694°W / 41.32278; -72.17694 (New York, New Haven & Hartford Railroad, Niantic Bridge ) CT-29 Water Street Bridge Replaced Baltimore truss 1894 1987 US 1 Metro-North Railroad New Haven New Haven 41°18′05″N 72°55′24″W / 41.30139°N 72.92333°W / 41.30139; -72.92333 (Water Street Bridge ) CT-30 Patch Street Bridge Replaced Stone arch 1885 1986 Patch Street Kohanza Brook Danbury Fairfield 41°24′09″N 73°27′23″W / 41.40250°N 73.45639°W / 41.40250; -73.45639 (Patch Street Bridge ) CT-31 Palisado Avenue Bridge Replaced Pratt truss 1916 1988 Palisado Avenue Farmington River Windsor Hartford 41°51′25″N 72°38′18″W / 41.85694°N 72.63833°W / 41.85694; -72.63833 (Palisado Avenue Bridge ) CT-32 Gaylordsville Bridge Replaced Parker truss 1926 1988 US 7 Housatonic River New Milford Litchfield 41°38′51″N 73°29′02″W / 41.64750°N 73.48389°W / 41.64750; -73.48389 (Gaylordsville Bridge ) CT-33 Bog Hollow Bridge Replaced Parker truss 1923 1988 Route 341 Housatonic River Kent Litchfield 41°43′36″N 73°28′52″W / 41.72667°N 73.48111°W / 41.72667; -73.48111 (Bog Hollow Bridge ) CT-34 Bridge Street Bridge Replaced Pratt truss 1921 1988 Route 140 Connecticut River Windsor Locks and East Windsor Hartford 41°55′45″N 72°37′27″W / 41.92917°N 72.62417°W / 41.92917; -72.62417 (Bridge Street Bridge ) CT-35 Frost Bridge Road Bridge Replaced Pratt truss 1922 1988 Route 262 Naugatuck River Thomaston and Watertown Litchfield 41°36′56″N 73°03′29″W / 41.61556°N 73.05806°W / 41.61556; -73.05806 (Frost Bridge Road Bridge ) CT-38 Merritt Parkway, Lapham Avenue Bridge Replaced Reinforced concrete rigid frame 1937 1987 Lapham Road Route 15 / Merritt Parkway New Canaan Fairfield 41°07′00″N 73°29′37″W / 41.11667°N 73.49361°W / 41.11667; -73.49361 (Merritt Parkway, Lapham Avenue Bridge ) CT-39 Merritt Parkway, Wilton Road Bridge Replaced Reinforced concrete T-beam 1938 1987 Route 33 (Wilton Road) Route 15 / Merritt Parkway Westport Fairfield 41°09′50″N 73°22′33″W / 41.16389°N 73.37583°W / 41.16389; -73.37583 (Merritt Parkway, Wilton Road Bridge ) CT-40 Tariffville Road Bridge Replaced Parker truss 1894 1991 Route 315 Farmington River Simsbury Hartford 41°53′41″N 72°47′03″W / 41.89472°N 72.78417°W / 41.89472; -72.78417 (Tariffville Road Bridge ) CT-42 Chapel Street Swing Bridge Replaced Swing span 1899 1988 Chapel Street Mill River New Haven New Haven 41°18′13″N 72°54′20″W / 41.30361°N 72.90556°W / 41.30361; -72.90556 (Chapel Street Swing Bridge ) CT-45 West Main Street Bridge Replaced Steel built-up girder 1928 1989 West Main Street Wepawaug River Milford New Haven 41°13′35″N 73°03′30″W / 41.22639°N 73.05833°W / 41.22639; -73.05833 (West Main Street Bridge ) CT-46 Saugatuck River Bridge Extant Swing span 1884 1991 Route 136 Saugatuck River Westport Fairfield 41°07′22″N 73°22′10″W / 41.12278°N 73.36944°W / 41.12278; -73.36944 (Saugatuck River Bridge ) CT-47 Bridge No. 110 Rehabilitated Warren truss 1896 1990 Metro-North Railroad Wepawaug River Milford New Haven 41°13′25″N 73°03′20″W / 41.22361°N 73.05556°W / 41.22361; -73.05556 (Bridge No. 110 ) CT-48 Bridge No. 475 Replaced Warren truss 1927 1990 US 6 Pequabuck River Farmington Hartford 41°42′16″N 72°51′01″W / 41.70444°N 72.85028°W / 41.70444; -72.85028 (Bridge No. 475 ) CT-49 Walnut Street Railroad Bridge Replaced Warren truss 1907 1991 Walnut Street Amtrak Hartford Hartford 41°46′20″N 72°40′50″W / 41.77222°N 72.68056°W / 41.77222; -72.68056 (Walnut Street Railroad Bridge ) CT-51 Bridge Street Bridge Replaced Warren truss 1894 1991 Bridge Street Metro-North Railroad Norwalk Fairfield 41°06′27″N 73°23′45″W / 41.10750°N 73.39583°W / 41.10750; -73.39583 (Bridge Street Bridge ) CT-54 Ferry Street Railroad Bridge Extant Warren truss 1912 1991 Ferry Street Metro-North Railroad New Haven New Haven 41°19′08″N 72°53′53″W / 41.31889°N 72.89806°W / 41.31889; -72.89806 (Ferry Street Railroad Bridge ) CT-55 Merritt Parkway, Bridge No. 744 Reconstructed Reinforced concrete rigid frame 1936 1991 Route 59 (Easton Turnpike) Route 15 / Merritt Parkway Fairfield Fairfield 41°13′15″N 73°15′16″W / 41.22083°N 73.25444°W / 41.22083; -73.25444 (Merritt Parkway, Bridge No. 744 ) CT-56 Merritt Parkway, Rocky Hill Road Bridge Demolished Steel built-up girder 1935 1991 Rocky Hill Road Route 15 / Merritt Parkway Trumbull Fairfield CT-57 Merritt Parkway, Pequonnock River Bridge Replaced Reinforced concrete girder 1935 1991 Route 15 / Merritt Parkway Pequonnock River Trumbull Fairfield 41°14′11″N 73°11′09″W / 41.23639°N 73.18583°W / 41.23639; -73.18583 (Merritt Parkway, Pequonnock River Bridge ) CT-58 Olive Street Railroad Bridge Replaced Warren truss 1907 1991 Olive Street Amtrak Northeast Corridor New Haven New Haven 41°18′32″N 72°55′08″W / 41.30889°N 72.91889°W / 41.30889; -72.91889 (Olive Street Railroad Bridge ) CT-61 Tomlinson Bridge Replaced Simple trunnion bascule 1924 1993 US 1 Quinnipiac River New Haven New Haven 41°17′54″N 72°54′19″W / 41.29833°N 72.90528°W / 41.29833; -72.90528 (Tomlinson Bridge ) CT-64 Merritt Parkway, West Branch Byram River Bridge Reconstructed Reinforced concrete T-beam 1934 1992 Route 15 / Merritt Parkway Byram River Greenwich Fairfield 41°03′32″N 73°40′31″W / 41.05889°N 73.67528°W / 41.05889; -73.67528 (Merritt Parkway, West Branch Byram River Bridge ) CT-65 Merritt Parkway, Riversville Road (East Branch) Bridge Replaced Steel rolled multi-beam 1935 1992 Route 15 / Merritt Parkway Riversville Road and East Branch of Byram River Greenwich Fairfield 41°03′40″N 73°40′29″W / 41.06111°N 73.67472°W / 41.06111; -73.67472 (Merritt Parkway, Riversville Road (East Branch) Bridge ) CT-66 Merritt Parkway, Glenville Water Company & Brook Bridge Extant Reinforced concrete rigid frame 1935 1992 Route 15 / Merritt Parkway Glenville Water Company Road and brook Greenwich Fairfield 41°04′04″N 73°40′13″W / 41.06778°N 73.67028°W / 41.06778; -73.67028 (Merritt Parkway, Glenville Water Company & Brook Bridge ) CT-67 Merritt Parkway, East Branch Byram River Bridge Extant Reinforced concrete cast-in-place slab 1935 1992 Route 15 / Merritt Parkway Converse Pond Brook Greenwich Fairfield 41°04′31″N 73°40′10″W / 41.07528°N 73.66944°W / 41.07528; -73.66944 (Merritt Parkway, East Branch Byram River Bridge ) CT-68 Merritt Parkway, Round Hill Road Bridge Extant Reinforced concrete rigid frame 1935 1992 Round Hill Road Route 15 / Merritt Parkway Greenwich Fairfield 41°05′02″N 73°39′55″W / 41.08389°N 73.66528°W / 41.08389; -73.66528 (Merritt Parkway, Round Hill Road Bridge ) CT-69 Merritt Parkway, Lake Avenue Bridge Extant Steel rigid frame 1970 1992 Lake Avenue Route 15 / Merritt Parkway Greenwich Fairfield 41°05′44″N 73°38′55″W / 41.09556°N 73.64861°W / 41.09556; -73.64861 (Merritt Parkway, Lake Avenue Bridge ) CT-70 Merritt Parkway, North Street Bridge Reconstructed Reinforced concrete rigid frame 1937 1992 North Street Route 15 / Merritt Parkway Greenwich Fairfield 41°05′40″N 73°37′57″W / 41.09444°N 73.63250°W / 41.09444; -73.63250 (Merritt Parkway, North Street Bridge ) CT-71 Merritt Parkway, Taconic Road Bridge Extant Reinforced concrete closed-spandrel arch 1937 1992 Route 15 / Merritt Parkway Taconic Road Greenwich Fairfield 41°05′24″N 73°37′20″W / 41.09000°N 73.62222°W / 41.09000; -73.62222 (Merritt Parkway, Taconic Road Bridge ) CT-72 Merritt Parkway, Stanwich Road Bridge Reconstructed Reinforced concrete rigid frame 1937 1992 Stanwich Road Route 15 / Merritt Parkway Greenwich Fairfield 41°05′50″N 73°36′13″W / 41.09722°N 73.60361°W / 41.09722; -73.60361 (Merritt Parkway, Stanwich Road Bridge ) CT-73 Merritt Parkway, Guinea Road Bridge Extant Reinforced concrete closed-spandrel arch 1934 1992 Guinea Road Route 15 / Merritt Parkway Stamford Fairfield 41°06′03″N 73°35′32″W / 41.10083°N 73.59222°W / 41.10083; -73.59222 (Merritt Parkway, Guinea Road Bridge ) CT-74 Merritt Parkway, Mianus River Culvert Extant Culvert 1937 1992 Route 15 / Merritt Parkway Mianus River Stamford Fairfield 41°06′02″N 73°35′19″W / 41.10056°N 73.58861°W / 41.10056; -73.58861 (Merritt Parkway, Mianus River Culvert ) CT-75 Merritt Parkway, Riverbank Road Bridge Extant Reinforced concrete rigid frame 1937 1992 Riverbank Road Route 15 / Merritt Parkway Stamford Fairfield 41°06′02″N 73°34′56″W / 41.10056°N 73.58222°W / 41.10056; -73.58222 (Merritt Parkway, Riverbank Road Bridge ) CT-76 Merritt Parkway, Long Ridge Road/Route 104 Bridge Extant Reinforced concrete rigid frame 1936 1992 Route 15 / Merritt Parkway Route 104 (Long Ridge Road) Stamford Fairfield 41°06′11″N 73°33′58″W / 41.10306°N 73.56611°W / 41.10306; -73.56611 (Merritt Parkway, Long Ridge Road/Route 104 Bridge ) CT-77 Merritt Parkway, Wire Mill Road Bridge Extant Reinforced concrete rigid frame 1938 1992 Wire Mill Road Route 15 / Merritt Parkway Stamford Fairfield 41°06′23″N 73°33′33″W / 41.10639°N 73.55917°W / 41.10639; -73.55917 (Merritt Parkway, Wire Mill Road Bridge ) CT-78 Merritt Parkway, Rippowam River Bridge Extant Reinforced concrete closed-spandrel arch 1936 1992 Route 15 / Merritt Parkway Rippowam River Stamford Fairfield 41°06′30″N 73°33′20″W / 41.10833°N 73.55556°W / 41.10833; -73.55556 (Merritt Parkway, Rippowam River Bridge ) CT-79 Merritt Parkway, High Ridge Road/Route 137 Bridge Reconstructed Steel rigid frame 1937 1992 Route 15 / Merritt Parkway Route 137 (High Ridge Road) Stamford Fairfield 41°06′43″N 73°32′47″W / 41.11194°N 73.54639°W / 41.11194; -73.54639 (Merritt Parkway, High Ridge Road/Route 137 Bridge ) CT-80 Merritt Parkway, Newfield Avenue Bridge Reconstructed Reinforced concrete rigid frame 1937 1992 Newfield Avenue Route 15 / Merritt Parkway Stamford Fairfield 41°06′59″N 73°32′07″W / 41.11639°N 73.53528°W / 41.11639; -73.53528 (Merritt Parkway, Newfield Avenue Bridge ) CT-81 Merritt Parkway, Ponus Ridge Road Bridge Extant Reinforced concrete rigid frame 1937 1992 Ponus Ridge Road Route 15 / Merritt Parkway New Canaan Fairfield 41°07′08″N 73°31′03″W / 41.11889°N 73.51750°W / 41.11889; -73.51750 (Merritt Parkway, Ponus Ridge Road Bridge ) CT-82 Merritt Parkway, Old Stamford Road/Route 106 Bridge Reconstructed Reinforced concrete rigid frame 1939 1992 Route 15 / Merritt Parkway Route 106 (Old Stamford Road) New Canaan Fairfield 41°07′02″N 73°29′57″W / 41.11722°N 73.49917°W / 41.11722; -73.49917 (Merritt Parkway, Old Stamford Road/Route 106 Bridge ) CT-83 Merritt Parkway, Metro North Railroad Bridge Extant Reinforced concrete rigid frame 1937 1992 Metro-North Railroad Route 15 / Merritt Parkway New Canaan Fairfield 41°07′01″N 73°29′53″W / 41.11694°N 73.49806°W / 41.11694; -73.49806 (Merritt Parkway, Metro North Railroad Bridge ) CT-84 Merritt Parkway, South Avenue/Route 124 Bridge Reconstructed Reinforced concrete rigid frame 1937 1992 Route 124 (South Avenue) Route 15 / Merritt Parkway New Canaan Fairfield 41°07′09″N 73°28′59″W / 41.11917°N 73.48306°W / 41.11917; -73.48306 (Merritt Parkway, South Avenue/Route 124 Bridge ) CT-85 Merritt Parkway, White Oak Shade Road Bridge Reconstructed Reinforced concrete rigid frame 1937 1992 White Oak Shade Road Route 15 / Merritt Parkway New Canaan Fairfield 41°07′24″N 73°28′25″W / 41.12333°N 73.47361°W / 41.12333; -73.47361 (Merritt Parkway, White Oak Shade Road Bridge ) CT-86 Merritt Parkway, Marvin River Road Bridge Replaced Reinforced concrete rigid frame 1937 1992 Marvin Ridge Road Route 15 / Merritt Parkway New Canaan Fairfield 41°07′38″N 73°28′03″W / 41.12722°N 73.46750°W / 41.12722; -73.46750 (Merritt Parkway, Marvin River Road Bridge ) CT-87 Merritt Parkway, New Canaan Road/Route 123 Bridge Reconstructed Steel rigid frame 1937 1992 Route 15 / Merritt Parkway Route 123 (New Canaan Road) Norwalk Fairfield 41°08′01″N 73°27′24″W / 41.13361°N 73.45667°W / 41.13361; -73.45667 (Merritt Parkway, New Canaan Road/Route 123 Bridge ) CT-88 Merritt Parkway, Comstock Hill Road Bridge Reconstructed Reinforced concrete rigid frame 1938 1992 Comstock Hill Avenue Route 15 / Merritt Parkway Norwalk Fairfield 41°08′15″N 73°26′42″W / 41.13750°N 73.44500°W / 41.13750; -73.44500 (Merritt Parkway, Comstock Hill Road Bridge ) CT-89 Merritt Parkway, Silvermine Avenue Bridge Extant Reinforced concrete rigid frame 1938 1992 Route 15 / Merritt Parkway Silvermine Avenue Norwalk Fairfield 41°08′19″N 73°26′27″W / 41.13861°N 73.44083°W / 41.13861; -73.44083 (Merritt Parkway, Silvermine Avenue Bridge ) CT-90 Merritt Parkway, Perry Avenue Bridge Extant Reinforced concrete rigid frame 1936 1992 Route 15 / Merritt Parkway Perry Avenue Norwalk Fairfield 41°08′26″N 73°26′03″W / 41.14056°N 73.43417°W / 41.14056; -73.43417 (Merritt Parkway, Perry Avenue Bridge ) CT-91 Merritt Parkway, Metro North Railroad Bridge Extant Reinforced concrete rigid frame 1937 1992 Route 15 / Merritt Parkway Metro-North Railroad Norwalk Fairfield 41°08′32″N 73°25′41″W / 41.14222°N 73.42806°W / 41.14222; -73.42806 (Merritt Parkway, Metro North Railroad Bridge ) CT-92 Merritt Parkway, Norwalk River Bridge Reconstructed Reinforced concrete closed-spandrel arch 1938 1992 Route 15 / Merritt Parkway Norwalk River Norwalk Fairfield 41°08′33″N 73°25′37″W / 41.14250°N 73.42694°W / 41.14250; -73.42694 (Merritt Parkway, Norwalk River Bridge ) CT-93 Merritt Parkway, Main Avenue/Route 7 Bridge Extant Reinforced concrete rigid frame 1937 1992 Route 15 / Merritt Parkway SR 719 (Main Avenue) Norwalk Fairfield 41°08′33″N 73°25′33″W / 41.14250°N 73.42583°W / 41.14250; -73.42583 (Merritt Parkway, Main Avenue/Route 7 Bridge ) CT-94 Merritt Parkway, West Rocks Road Bridge Reconstructed Steel rigid frame 1938 1992 West Rocks Road Route 15 / Merritt Parkway Norwalk Fairfield 41°08′44″N 73°25′03″W / 41.14556°N 73.41750°W / 41.14556; -73.41750 (Merritt Parkway, West Rocks Road Bridge ) CT-95 Merritt Parkway, East Rocks Road Bridge Extant Reinforced concrete rigid frame 1938 1992 East Rocks Road Route 15 / Merritt Parkway Norwalk Fairfield 41°08′56″N 73°24′41″W / 41.14889°N 73.41139°W / 41.14889; -73.41139 (Merritt Parkway, East Rocks Road Bridge ) CT-96 Merritt Parkway, Grumman Avenue Bridge Reconstructed Reinforced concrete rigid frame 1938 1992 Grumman Avenue Route 15 / Merritt Parkway Norwalk Fairfield 41°09′12″N 73°24′14″W / 41.15333°N 73.40389°W / 41.15333; -73.40389 (Merritt Parkway, Grumman Avenue Bridge ) CT-97 Merritt Parkway, Chestnut Hill Road/Route 53 Bridge Extant Reinforced concrete rigid frame 1938 1992 Route 15 / Merritt Parkway Route 53 (Chestnut Hill Road) Norwalk Fairfield 41°09′31″N 73°23′41″W / 41.15861°N 73.39472°W / 41.15861; -73.39472 (Merritt Parkway, Chestnut Hill Road/Route 53 Bridge ) CT-98 Merritt Parkway, Newton Turnpike Bridge Extant Reinforced concrete rigid frame 1939 1992 Newton Turnpike Route 15 / Merritt Parkway Westport Fairfield 41°09′48″N 73°23′00″W / 41.16333°N 73.38333°W / 41.16333; -73.38333 (Merritt Parkway, Newton Turnpike Bridge ) CT-99 Merritt Parkway, Saugatuck River Bridge Reconstructed Steel arch 1938 1992 Route 15 / Merritt Parkway Saugatuck River Westport Fairfield 41°09′49″N 73°22′02″W / 41.16361°N 73.36722°W / 41.16361; -73.36722 (Merritt Parkway, Saugatuck River Bridge ) CT-100 Merritt Parkway, Clinton Avenue/North Clinton Avenue Bridge Extant Steel rigid frame 1940 1992 Clinton Avenue Route 15 / Merritt Parkway Westport Fairfield 41°09′48″N 73°21′48″W / 41.16333°N 73.36333°W / 41.16333; -73.36333 (Merritt Parkway, Clinton Avenue/North Clinton Avenue Bridge ) CT-101 Merritt Parkway, Weston Road/Route 57 Bridge Reconstructed Reinforced concrete rigid frame 1938 1992 Route 15 / Merritt Parkway Route 57 (Weston Road) Westport Fairfield 41°09′50″N 73°21′29″W / 41.16389°N 73.35806°W / 41.16389; -73.35806 (Merritt Parkway, Weston Road/Route 57 Bridge ) CT-102 Merritt Parkway, Easton Road/Route 136 Bridge Reconstructed Steel rigid frame 1938 1992 Route 15 / Merritt Parkway Route 136 (Easton Road) Westport Fairfield 41°09′54″N 73°21′17″W / 41.16500°N 73.35472°W / 41.16500; -73.35472 (Merritt Parkway, Easton Road/Route 136 Bridge ) CT-103 Merritt Parkway, North Avenue Bridge Extant Reinforced concrete rigid frame 1939 1992 North Avenue Route 15 / Merritt Parkway Westport Fairfield 41°10′07″N 73°20′32″W / 41.16861°N 73.34222°W / 41.16861; -73.34222 (Merritt Parkway, North Avenue Bridge ) CT-104 Merritt Parkway, Bayberry Lane Bridge Extant Reinforced concrete rigid frame 1939 1992 Route 15 / Merritt Parkway Bayberry Lane Westport Fairfield 41°10′18″N 73°19′52″W / 41.17167°N 73.33111°W / 41.17167; -73.33111 (Merritt Parkway, Bayberry Lane Bridge ) CT-105 Merritt Parkway, Cross Highway Bridge Extant Reinforced concrete closed-spandrel arch 1938 1992 Route 15 / Merritt Parkway Cross Highway Fairfield Fairfield 41°10′27″N 73°19′19″W / 41.17417°N 73.32194°W / 41.17417; -73.32194 (Merritt Parkway, Cross Highway Bridge ) CT-106 Merritt Parkway, Merwins Lane Bridge Extant Reinforced concrete rigid frame 1940 1992 Merwins Lane Route 15 / Merritt Parkway Fairfield Fairfield 41°10′49″N 73°18′46″W / 41.18028°N 73.31278°W / 41.18028; -73.31278 (Merritt Parkway, Merwins Lane Bridge ) CT-107 Merritt Parkway, Redding Road Bridge Extant Reinforced concrete rigid frame 1939 1992 Redding Road Route 15 / Merritt Parkway Fairfield Fairfield 41°11′07″N 73°18′25″W / 41.18528°N 73.30694°W / 41.18528; -73.30694 (Merritt Parkway, Redding Road Bridge ) CT-108 Merritt Parkway, Congress Street Bridge Extant Reinforced concrete rigid frame 1938 1992 Congress Street Route 15 / Merritt Parkway Fairfield Fairfield 41°11′25″N 73°17′58″W / 41.19028°N 73.29944°W / 41.19028; -73.29944 (Merritt Parkway, Congress Street Bridge ) CT-109 Merritt Parkway, Hillside Road Bridge Extant Reinforced concrete rigid frame 1940 1992 Route 15 / Merritt Parkway Hillside Road Fairfield Fairfield 41°11′29″N 73°17′43″W / 41.19139°N 73.29528°W / 41.19139; -73.29528 (Merritt Parkway, Hillside Road Bridge ) CT-110 Merritt Parkway, Burr Street Bridge Reconstructed Reinforced concrete rigid frame 1939 1992 Burr Street Route 15 / Merritt Parkway Fairfield Fairfield 41°11′39″N 73°17′09″W / 41.19417°N 73.28583°W / 41.19417; -73.28583 (Merritt Parkway, Burr Street Bridge ) CT-111 Merritt Parkway, Black Rock Turnpike/Route 58 Bridge Extant Reinforced concrete rigid frame 1938 1992 Route 15 / Merritt Parkway Route 58 (Black Rock Turnpike) Fairfield Fairfield 41°12′10″N 73°16′13″W / 41.20278°N 73.27028°W / 41.20278; -73.27028 (Merritt Parkway, Black Rock Turnpike/Route 58 Bridge ) CT-112 Merritt Parkway, Cricker Brook Culvert Extant Culvert 1940 1992 Route 15 / Merritt Parkway Cricker Brook Fairfield Fairfield 41°12′13″N 73°16′12″W / 41.20361°N 73.27000°W / 41.20361; -73.27000 (Merritt Parkway, Cricker Brook Culvert ) CT-113 Merritt Parkway, Morehouse Highway Bridge Extant Reinforced concrete rigid frame 1939 1992 Morehouse Highway Route 15 / Merritt Parkway Fairfield Fairfield 41°12′40″N 73°15′44″W / 41.21111°N 73.26222°W / 41.21111; -73.26222 (Merritt Parkway, Morehouse Highway Bridge ) CT-114 Merritt Parkway, Mill River Bridge Extant Reinforced concrete rigid frame 1940 1992 Route 15 / Merritt Parkway Mill River Fairfield Fairfield 41°12′53″N 73°15′34″W / 41.21472°N 73.25944°W / 41.21472; -73.25944 (Merritt Parkway, Mill River Bridge ) CT-115 Merritt Parkway, Park Avenue Bridge Extant Reinforced concrete closed-spandrel arch 1940 1992 Park Avenue Route 15 / Merritt Parkway Trumbull Fairfield 41°13′41″N 73°14′44″W / 41.22806°N 73.24556°W / 41.22806; -73.24556 (Merritt Parkway, Park Avenue Bridge ) CT-116 Merritt Parkway, Plattsville Road Bridge Extant Reinforced concrete rigid frame 1939 1992 Plattsville Road Route 15 / Merritt Parkway Trumbull Fairfield 41°13′47″N 73°14′20″W / 41.22972°N 73.23889°W / 41.22972; -73.23889 (Merritt Parkway, Plattsville Road Bridge ) CT-117 Merritt Parkway, Madison Avenue Bridge Extant Reinforced concrete rigid frame 1939 1992 Madison Avenue Route 15 / Merritt Parkway Trumbull Fairfield 41°13′54″N 73°13′56″W / 41.23167°N 73.23222°W / 41.23167; -73.23222 (Merritt Parkway, Madison Avenue Bridge ) CT-118 Merritt Parkway, Main Street/Route 25 Bridge Reconstructed Reinforced concrete rigid frame 1936 1992 Route 111 (Main Street) Route 15 / Merritt Parkway Trumbull Fairfield 41°13′56″N 73°13′13″W / 41.23222°N 73.22028°W / 41.23222; -73.22028 (Merritt Parkway, Main Street/Route 25 Bridge ) CT-119 Merritt Parkway, Frenchtown Road Bridge Extant Reinforced concrete rigid frame 1942 1992 Frenchtown Road Route 15 / Merritt Parkway Trumbull Fairfield 41°13′55″N 73°12′42″W / 41.23194°N 73.21167°W / 41.23194; -73.21167 (Merritt Parkway, Frenchtown Road Bridge ) CT-120 Merritt Parkway, Reservoir Road Bridge Extant Reinforced concrete rigid frame 1939 1992 Route 15 / Merritt Parkway Reservoir Avenue Trumbull Fairfield 41°14′06″N 73°11′45″W / 41.23500°N 73.19583°W / 41.23500; -73.19583 (Merritt Parkway, Reservoir Road Bridge ) CT-121 Merritt Parkway, Silvermine River Bridge Extant Reinforced concrete closed-spandrel arch 1957 1992 Route 15 / Merritt Parkway Silvermine River Norwalk Fairfield 41°08′20″N 73°26′25″W / 41.13889°N 73.44028°W / 41.13889; -73.44028 (Merritt Parkway, Silvermine River Bridge ) CT-122 Merritt Parkway, White Plains Road/Route 127 Bridge Reconstructed Steel built-up girder 1934 1992 Route 15 / Merritt Parkway Route 127 (White Plains Road) Trumbull Fairfield 41°14′14″N 73°10′46″W / 41.23722°N 73.17944°W / 41.23722; -73.17944 (Merritt Parkway, White Plains Road/Route 127 Bridge ) CT-123 Merritt Parkway, Unity Road Bridge Reconstructed Steel rigid frame 1940 1992 Route 15 / Merritt Parkway Unity Road Trumbull Fairfield 41°14′13″N 73°10′27″W / 41.23694°N 73.17417°W / 41.23694; -73.17417 (Merritt Parkway, Unity Road Bridge ) CT-124 Merritt Parkway, Huntington Turnpike/Route 108 Bridge Replaced Reinforced concrete rigid frame 1940 1992 Route 108 (Huntington Turnpike) Route 15 / Merritt Parkway Trumbull Fairfield 41°14′16″N 73°09′41″W / 41.23778°N 73.16139°W / 41.23778; -73.16139 (Merritt Parkway, Huntington Turnpike/Route 108 Bridge ) CT-125 Merritt Parkway, Nichols-Shelton Road Bridge Demolished Reinforced concrete closed-spandrel arch 1940 1992 Nichols-Shelton Road Route 15 / Merritt Parkway Trumbull Fairfield 41°14′14″N 73°09′09″W / 41.23722°N 73.15250°W / 41.23722; -73.15250 (Merritt Parkway, Nichols-Shelton Road Bridge ) CT-126 Merritt Parkway, Huntington Road Bridge Extant Reinforced concrete rigid frame 1940 1992 Route 15 / Merritt Parkway Huntington Road Stratford Fairfield 41°14′14″N 73°08′24″W / 41.23722°N 73.14000°W / 41.23722; -73.14000 (Merritt Parkway, Huntington Road Bridge ) CT-127 Merritt Parkway, Cutspring Road Bridge Extant Reinforced concrete rigid frame 1940 1992 Route 15 / Merritt Parkway Cutspring Road Stratford Fairfield 41°14′17″N 73°07′50″W / 41.23806°N 73.13056°W / 41.23806; -73.13056 (Merritt Parkway, Cutspring Road Bridge ) CT-128 Merritt Parkway, Pumpkin Brook Culvert Extant Culvert 1941 1992 Route 15 / Merritt Parkway Pumpkin Brook Stratford Fairfield 41°14′20″N 73°07′35″W / 41.23889°N 73.12639°W / 41.23889; -73.12639 (Merritt Parkway, Pumpkin Brook Culvert ) CT-129 Merritt Parkway, James Farm Road Bridge Extant Reinforced concrete rigid frame 1940 1992 James Farm Road Route 15 / Merritt Parkway Stratford Fairfield 41°14′28″N 73°07′03″W / 41.24111°N 73.11750°W / 41.24111; -73.11750 (Merritt Parkway, James Farm Road Bridge ) CT-130 Merritt Parkway, Main Street/Route 110 Bridge Reconstructed Steel rigid frame 1940 1992 Route 15 / Merritt Parkway Route 110 (Main Street) Stratford Fairfield 41°14′43″N 73°06′09″W / 41.24528°N 73.10250°W / 41.24528; -73.10250 (Merritt Parkway, Main Street/Route 110 Bridge ) CT-146 Yellow Mill Bridge Rehabilitated Simple trunnion bascule 1929 1995 Route 130 (Stratford Avenue) Yellow Mill Channel Bridgeport Fairfield 41°10′36″N 73°10′35″W / 41.17667°N 73.17639°W / 41.17667; -73.17639 (Yellow Mill Bridge ) CT-148 Grand Street Bridge Demolished Simple trunnion bascule 1919 1995 Grand Street Pequonnock River Bridgeport Fairfield 41°11′23″N 73°11′21″W / 41.18972°N 73.18917°W / 41.18972; -73.18917 (Grand Street Bridge ) CT-149 Mount Hope Road Bridge Replaced Warren truss 1994 Mount Hope Road Mount Hope River Mansfield Center Tolland 41°49′27″N 72°10′17″W / 41.82417°N 72.17139°W / 41.82417; -72.17139 (Mount Hope Road Bridge ) CT-150 Perkins Corner Bridge Replaced Warren truss 1914 1994 Flanders and Cider Mill roads Willimantic River Coventry and Mansfield Tolland 41°44′19″N 72°15′44″W / 41.73861°N 72.26222°W / 41.73861; -72.26222 (Perkins Corner Bridge ) CT-154 East Washington Avenue Bridge Replaced Simple trunnion bascule 1925 1995 East Washington Avenue Pequonnock River Bridgeport Fairfield 41°11′10″N 73°11′20″W / 41.18611°N 73.18889°W / 41.18611; -73.18889 (East Washington Avenue Bridge ) CT-156 Black Bridge Replaced Warren truss 1936 1995 Black Bridge Road Farmington River New Hartford Litchfield 41°52′41″N 72°57′53″W / 41.87806°N 72.96472°W / 41.87806; -72.96472 (Black Bridge ) CT-158 Depot Road Bridge Replaced Stone arch 1835 1995 Depot Road Mill Brook Coventry Tolland 41°45′44″N 72°16′19″W / 41.76222°N 72.27194°W / 41.76222; -72.27194 (Depot Road Bridge ) CT-161 Sharon Station Road Bridge Reconstructed Lenticular truss 1885 1996 Sharon Station Road Webatuck Creek Sharon Litchfield 41°53′05″N 73°29′38″W / 41.88472°N 73.49389°W / 41.88472; -73.49389 (Sharon Station Road Bridge ) CT-162 Bridge No. 1132 Extant Reinforced concrete open-spandrel arch 1934 1996 Route 80 Hammonasset River Madison and Killingworth New Haven and Middlesex 41°21′26″N 72°36′45″W / 41.35722°N 72.61250°W / 41.35722; -72.61250 (Bridge No. 1132 ) CT-165 Rocky Neck Park Trail Bridge Extant Steel arch 1934 1996 Trail New York, New Haven and Hartford Railroad (former) Old Lyme New London 41°17′59″N 72°14′44″W / 41.29972°N 72.24556°W / 41.29972; -72.24556 (Rocky Neck Park Trail Bridge ) CT-166 Windham Road Bridge Replaced Stone arch 1857 1996 Windham Road Willimantic River Windham Windham 41°42′34″N 72°12′23″W / 41.70944°N 72.20639°W / 41.70944; -72.20639 (Windham Road Bridge ) CT-167 Singing Bridge Replaced Pratt truss 1925 1997 US 1 Patchogue River Westbrook Middlesex 41°16′40″N 72°28′03″W / 41.27778°N 72.46750°W / 41.27778; -72.46750 (Singing Bridge ) CT-168 South Norwalk Railroad Bridge Extant Pratt truss 1896 1998 Metro-North Railroad South Main and Washington streets Norwalk Fairfield 41°05′56″N 73°25′08″W / 41.09889°N 73.41889°W / 41.09889; -73.41889 (South Norwalk Railroad Bridge ) CT-174 Mystic River Bridge Extant Strauss bascule 1922 1996 US 1 (Main Street) Mystic River Groton and Stonington New London 41°21′17″N 71°58′07″W / 41.35472°N 71.96861°W / 41.35472; -71.96861 (Mystic River Bridge ) CT-176 Bridge No. 04619 Rehabilitated Stone arch 1909 1997 Village Hill Road Ten Mile River Columbia and Lebanon Tolland 41°42′01″N 72°15′17″W / 41.70028°N 72.25472°W / 41.70028; -72.25472 (Bridge No. 04619 ) CT-177 Bridge No. 00761 Replaced Steel built-up girder 1939 1998 Route 15 / Merritt Parkway Housatonic River Milford and Stratford New Haven and Fairfield 41°14′47″N 73°05′29″W / 41.24639°N 73.09139°W / 41.24639; -73.09139 (Bridge No. 00761 ) CT-179 River Street Bridge Replaced Lenticular truss 1886 1998 River Street Moosup River Plainfield Windham 41°42′53″N 71°52′45″W / 41.71472°N 71.87917°W / 41.71472; -71.87917 (River Street Bridge ) CT-184 Shetucket River Deck-Truss Bridge Rehabilitated Pratt truss 1938 1991 Route 169 Shetucket River Norwich New London 41°33′59″N 72°02′41″W / 41.56639°N 72.04472°W / 41.56639; -72.04472 (Shetucket River Deck-Truss Bridge ) CT-192 Turn-of-River Bridge Extant Lenticular truss 1893 2013 Old North Stamford Road Rippowam River Stamford Fairfield 41°06′47″N 73°32′43″W / 41.11306°N 73.54528°W / 41.11306; -73.54528 (Turn-of-River Bridge ) 
