Name (Alternate name) Location Image Completed/Replaced NRHP[ 1] : 78 HAER[ 1] : 79
Congress Street Bridge Bridgeport 1909-1911;[ 1] : 22 Removed in 2010[ 3]
East Washington Avenue Bridge Bridgeport Original: 1836[ 4] Second: Unknown[ 4] Third: 1925[ 4] Fourth: 1998[ 1] : 24 CT-154 (third bridge)
Grand Street Bridge Bridgeport 1916-1919;[ 1] : 26 Removed in 1999[ 5] CT-148
Pequonnock River Railroad Bridge Bridgeport 1902; Replaced in 1996[ 1] : 50 87000843
Pleasure Beach Bridge Bridgeport 1927[ 1] : 20
Yellow Mill Bridge Bridgeport 1927-1929[ 1] : 28 CT-146
East Haddam Swing Bridge East Haddam-Haddam 1913[ 1] : 30
Niantic River Swing Bridge East Lyme-Waterford 1921; Replaced in 1991[ 1] : 32 CT-22
Niantic River Railroad Bridge East Lyme-Waterford 1907;[ 1] : 52 Replaced 2010-2013[ 6] CT-27
Mianus River Railroad Bridge Greenwich 1904[ 1] : 54 87000845
Thames River Railroad Bridge Groton-New London 1919[ note 1] Replaced 2008[ 8] CT-25
Mystic River Bridge Groton-Stonington 1922[ 1] : 34 CT-174
Mystic River Railroad Bridge Groton-Stonington 1919; Replaced 1984[ 1] : 58 CT-26
Middletown Railroad Bridge Middletown-Portland 1911[ 1] : 60
Housatonic River Railroad Bridge Milford-Stratford 1905[ 1] : 62 87000842
Washington Bridge Milford-Stratford 1921[ 1] : 36
Chapel Street Swing Bridge New Haven 1899; Replaced 1992[ 1] : 38 CT-42
Ferry Street Bridge New Haven 1940[ 1] : 40
Grand Avenue Swing Bridge New Haven 1896; Replaced 1984[ 1] : 44
Tomlinson Bridge New Haven 1924; Replaced 1994-2002[ 1] : 42 CT-61
Shaw's Cove Railroad Bridge New London 1891; Replaced 1984[ 1] : 64 CT-24
Norwalk River Railroad Bridge Norwalk 1896[ 1] : 66 87000844
Amtrak Old Saybrook–Old Lyme Bridge Old Saybrook-Old Lyme 1907[ 1] : 68
Saugatuck River Bridge Westport 1884[ 1] : 46 87000846 CT-46
Saugatuck River Railroad Bridge Westport 1905[ 1] : 70 87000126