Amtrak Bridge Stone arch bridge over CT 71 on Amtrak in Wallingford Open to traffic Built ca. 1870
Andrasko Road Bridge Concrete arch bridge over Beacon Hill Brook on Andrasko Road in Beacon Falls Open to traffic Built 1950
Beacon Falls Canal Bridge Concrete arch bridge over Beacon Falls Canal on CT 852 in Beacon Falls Open to traffic Built 1920; rehabilitated 1949
Bladens River Bridge Concrete arch bridge over Bladens River on CT 67 in Seymour Open to traffic Built 1936
Bradley Avenue Bridge Concrete arch bridge over Harbor Brook on Bradley Avenue in Meriden Open to traffic Built 1925
Cedar Street Bridge Concrete arch bridge over Harbor Brook on Cedar Street in Meriden Open to traffic Built 1910; rehabilitated 1964
Center Street Bridge Stone arch bridge over Harbor Brook on Center Street in Meriden Open to traffic Built 1871
Chapel Street Bridge Swing bridge over Mill River on Chapel Street in New Haven Open to traffic Built 1992
Clifton Street Bridge Stone arch bridge over Amtrak Railroad on Clifton Street in New Haven Open to traffic Built ca. 1885
Cooper Street Bridge Stone arch bridge over Harbor Brook on Cooper Street in Meriden Open to traffic Built 1892
Cotton Hollow Road Bridge Steel arch bridge over Beacon Hill Brook on Cotton Hollow Road in Beacon Falls Open to traffic Built 1933
CT 15 Bridge Concrete arch bridge over CT 15 on CT 34 in Orange Open to traffic Built 1941; rehabilitated 1988
CT 243 Bridge Concrete arch bridge over CT 243 on CT 15 in New Haven Open to traffic Built 1948
Depot Street Bridge Through truss bridge over Naugatuck River on Depot Street in Beacon Falls Open to traffic Built 1935 by the American Bridge Co.; rehabilitated 1987
East Liberty Street Bridge Concrete arch bridge over Mad River on East Liberty Street in Waterbury Open to traffic Built 1907
East Rock Road Bridge Steel arch bridge over Mill River on East Rock Road in New Haven Open to traffic Built 1900; rehabilitated 1984
Edgewood Avenue Bridge Three-span concrete arch bridge over West River on Edgewood Avenue in New Haven Open to traffic Built 1910; rehabilitated 1974
Eight Mile Brook Bridge Concrete arch bridge over Eight Mile Brook on CT 34 in Oxford Open to traffic Built 1924
Elm Street Bridge Steel arch bridge over Long Meadow Brook on Elm Street in Naugatuck Open to traffic Built 1955
Farm River Bridge Concrete arch bridge over Farm River on CT 100 (Main Street) in East Haven Open to traffic Built 1900
Ferry Street Bridge Bascule bridge over Quinnipiac River on Ferry Street in New Haven Open to traffic Built 1940
Ferry Street Bridge Through truss bridge over Amtrak Railroad on Ferry Street in New Haven Open to traffic Built 1912 by the Boston Bridge Works; rehabilitated 1992
Freight Street Bridge Two-span concrete arch bridge over Naugatuck River on Freight Street in Waterbury Open to traffic Built 1926
Grand Avenue Bridge Swing bridge over Quinnipiac River on Grand Avenue in New Haven Open to traffic Built 1900; rehabilitated 1984
Guntown Road Bridge Steel arch bridge over Longmeadow Brook on Guntown Road in Naugatuck Open to traffic Built 1960
Hammonasset River Bridge Open-spandrel arch bridge over Hammonasset River on CT 80 in Madison Open to traffic Built 1934; rehabilitated 1970
Hancock Brook Bridge Lenticular pony truss bridge over Hancock Brook on Sheffield Street Closed to all traffic Built 1890 by the Berlin Iron Bridge Co.
Harbor Brook Bridge Stone arch bridge over Harbor Brook on CT 71 (Cook Avenue) in Meriden Open to traffic Built 1901
Harbor Brook Bridge Stone arch bridge over Harbor Brook on US 5 in Meriden Open to traffic Built 1892
Hogs Back Road Bridge Steel arch bridge over Little River on Hogs Back Road in Oxford Open to traffic Built 1954; rehabilitated 1989
Hop Brook Bridge Concrete arch bridge over Hop Brook on CT 188 in Middlebury Open to traffic Built 1904; rehabilitated 1944
Huntingdon Avenue Bridge Two-span concrete arch bridge over Steele Brook on Huntingdon Avenue in Waterbury Open to traffic Built 1935
Jefferson Bridge Three-span concrete arch bridge over Wepawaug River on River Street in Milford Open to traffic Built 1934; rehabilitated 2003
Johnson Road Bridge Concrete arch bridge over CT 15 on Johnson Road in Woodbridge Open to traffic Built 1949
Metro North Railroad Bridge Through truss bridge over Metro North Railroad on US 1 in New Haven Open to traffic Built 1900; rehabilitated 1992
Mill River Bridge Concrete arch bridge over Mill River on Orange Street in New Haven Open to traffic Built 1950; rehabilitated 1991
Naugatuck River Bridge Three-span concrete arch bridge over Naugatuck River on CT 846 in Waterbury Open to traffic Built 1922
Perkins Street Bridge Stone arch bridge over Harbor Brook on Perkins Street in Meriden Open to traffic Built 1900; rehabilitated 1964
Porter Avenue Bridge Concrete arch bridge over Hop Brook on Porter Avenue in Naugatuck Open to traffic Built 1940
Quinnipiac River Bridge Vertical lift bridge over Quinnipiac River on US 1 in New Haven No longer exists Built 2002
Russell Street Bridge Stone arch bridge over Amtrak Railroad on Russell Street in New Haven Open to traffic Built 1935
South Street Bridge Steel arch bridge over I-84 on South Street in Middlebury Open to traffic Built 1964
Vineyard Point Road Bridge Concrete arch bridge over Abandoned Trolley Line on Vineyard Point Road in Guilford Open to traffic Built 1900
Washington Avenue Bridge Lenticular pony truss bridge over Mad River on Washington Avenue in Waterbury Open to traffic Built 1878 by the Berlin Iron Bridge Co.; rehabilitated 1982
Washington Bridge Bascule bridge over Housatonic River on US 1 in Milford Open to traffic Built 1921; rehabilitated 1990
Wepawaug River Bridge Stone arch bridge over Wepawaug River on CT 162 (New Haven Avenue) in Milford Open to traffic Built 1889 by John Beattie
Wepawaug River Bridge Stone arch bridge over Wepawaug River on CT 34 (Derby Avenue) in Orange Open to traffic Built 1855; rehabilitated 1940
West Rock Ridge Tunnel Tunnel over CT 15 on West Rock Ridge in Woodbridge Open to traffic Built 1949
Whitney Avenue Bridge Stone arch bridge over Canal Line Railroad (Abandoned) on Whitney Avenue in New Haven Open to traffic Built 1885
Whittemore Memorial Bridge Three-span concrete arch bridge over Naugatuck River on Maple Street in Naugatuck Open to traffic Built 1912; rehabilitated 1960
Wintergreen Avenue Bridge Stone arch bridge over Town Farm Brook on Wintergreen Avenue in New Haven Open to traffic Built 1890