Oldest Bridges in Connecticut

The oldest bridge in Connecticut dates to 1832. The table below shows the state's most historic bridges, ranked by year built. Many of these structures have survived well beyond their original design life — click any bridge to see its current condition and inspection history.

How this ranking works

This state list uses the NBI year-built field and links each bridge to its current inspection record. Treat age as a history signal, not a condition score.

Bridge	County	Year Built	Condition	Daily Traffic
Main Street No. 2 over SR 598 Whitehead Highway	Hartford	1832	Fair	12,900
Route 128 over Housatonic River	Litchfield	1841	Fair	1,100
Bulls Bridge Road over Housatonic River	Litchfield	1842	Fair	400
SR 790 (south Stat over Rippowam River	Fairfield	1847	Fair	5,700
U.s. Route 1 over Five Mile River	Fairfield	1850	Fair	21,900
Peep Toad Road over Whetstone Brook	Windham	1850	Fair	110
Packerville Road over Mill Brook	Windham	1850	Good	994
Route 34 over Wepawaug River	New Haven	1855	Fair	34,600
Route 123 over Norwalk River	Fairfield	1860	Good	13,800
Skilton Road over Nonewaug River	Litchfield	1860	Good	394
Ballouville Road over Five Mile River	Windham	1860	Fair	1,400
Route 32 over Willimantic River	Windham	1868	Fair	8,300
Route 136 over Saugatuck River	Fairfield	1870	Poor	12,400
Route 31 over Mill Brook	Tolland	1870	Fair	4,800
Village Hill Road over Ten Mile River	Tolland	1870	Fair	500
Center Street over Middle River	Tolland	1870	Fair	600
US RTE 44 Main ST over Amtrak Railroad	Hartford	1871	Fair	19,700
Naubuc Avenue over Porter Brook	Hartford	1871	Fair	3,600
Center Street over Harbor Brook	New Haven	1871	Poor	6,186
Maple Street over Scantic River	Tolland	1880	Fair	5,200
Whitney Avenue over Farmington Canal Greenwa	New Haven	1885	Fair	4,400
Main Street over Tankerhoosen River	Tolland	1885	Good	21
Hosley Avenue over Amtrak Railroad	New Haven	1887	Fair	350
RTE 1 over Byram River	Fairfield	1888	Fair	14,570
Route 162 over Wepawaug River	New Haven	1889	Fair	14,300
SR 625 over Amtrak Railroad	Middlesex	1890	Fair	3,500
Wintergreen Avenue over Wintergreen Brook	New Haven	1890	Fair	2,800
Camels Back Road over Amtrak Railroad	Hartford	1891	Fair	3,500
Byram Road over Metro-north Railroad	Fairfield	1892	Fair	9,700
US Route 5 over Harbor Brook	New Haven	1892	Fair	16,744
Kirkham Street over Amtrak Railroad	New Haven	1892	Fair	5,900
Marsh Hill Road over Metro-north Railroad	New Haven	1893	Fair	18,900
School House Road over Metro North Railroad	New Haven	1893	Good	11,803
Field Point Road over Horseneck Brook	Fairfield	1894	Fair	12,240
Riverside Avenue over Metro-north Railroad	Fairfield	1895	Good	7,900
Town Bridge Road over Farmington River	Hartford	1895	Fair	235
Camp Street #1 over Harbor Brook	New Haven	1895	Fair	2,870
Crosby Street over Padanaram Brook	Fairfield	1899	Fair	10,334
Perry Avenue over Silvermine River	Fairfield	1899	Fair	1,415
Camp Street over Amtrak Railroad	New Haven	1899	Fair	5,300
Indian Field Road over Metro North Railroad	Fairfield	1900	Fair	9,000
Noroton Avenue over Metro-north Railroad	Fairfield	1900	Fair	14,800
Drinkwater Place over Metro North Railroad	Fairfield	1900	Fair	1,853
Hollow Tree Road over Metro-north Railroad	Fairfield	1900	Fair	3,100
Bridge Street over Metro-north Railroad	Fairfield	1900	Fair	1,058
North Street over Rippowam River	Fairfield	1900	Fair	7,750
Route 106 over Private Road	Fairfield	1900	Fair	14,100
Black Rock Tpke over Metro North Railroad	Fairfield	1900	Fair	10,800
Hills Point Road over Metro North Railroad	Fairfield	1900	Fair	3,400
Grasmere Avenue over Metro North Railroad	Fairfield	1900	Fair	4,700
Andrews Street over Pequabuck River	Hartford	1900	Good	12,415
East Street over Pequabuck River	Hartford	1900	Poor	2,805
South End Road over Misery Brook	Hartford	1900	Fair	5,826
Pheasant Hill DR over Rockledge Brook	Hartford	1900	Fair	380
West Road over Cherry Brook	Hartford	1900	Fair	224
Mill Road over Nonewaug River	Litchfield	1900	Fair	318
Middlefield Street over Coginchaug River	Middlesex	1900	Fair	1,654
US Route 1 over Metro North Railroad	New Haven	1900	Fair	7,100
SR 745 (first Ave) over Metro North Railroad	New Haven	1900	Fair	9,300
Route 100(main St) over Farm River	New Haven	1900	Fair	5,500
South Colony ST over Harbor Brook	New Haven	1900	Fair	2,700
Pond Hill Road over Wharton Brook	New Haven	1900	Fair	4,525
Temple Street over Farmington Canal Greenwa	New Haven	1900	Fair	4,200
Grand Avenue over Quinnipiac River	New Haven	1900	Fair	2,400
East Rock Road over Mill River	New Haven	1900	Fair	1,365
Twin Bridge Road over Iron Stream	New Haven	1900	Fair	258
Parks Road over Broad Brook	New London	1900	Fair	148
Route 275 over Willimantic River	Tolland	1900	Fair	1,800
Windsor Avenue over Hockanum River	Tolland	1900	Fair	1,655
Baker Hill Road over Ten Mile River	Tolland	1900	Good	180
South Street over Hop River	Tolland	1900	Good	1,500
Depot Road over Willimantic River	Tolland	1900	Fair	527
Woodchuck Hill RD over Little River	Windham	1900	Poor	1,178
England Road over Natchaug River	Windham	1900	Fair	398
Wolf Den Drive over Mashamoquet Brook	Windham	1900	Fair	118
Covell Road over Mashamoquet Brook	Windham	1900	Good	132
Taft Pond Road over Mashamoquet Brook	Windham	1900	Poor	371
Longbrook Avenue over Metro North Railroad	Fairfield	1901	Fair	5,146
North Main Street over West Branch Trout Brook	Hartford	1901	Fair	15,660
Route 341 over Housatonic Railroad	Litchfield	1901	Fair	1,500
Central Avenue over Metro North Railroad	Fairfield	1903	Good	7,600
Forbes Street over Hockanum River	Hartford	1904	Fair	6,700
Route 188 over Hop Brook	New Haven	1904	Fair	2,600
Shore Road #1 over Horseneck Brook	Fairfield	1905	Good	1,890
Spring Street over Birch Mountain Brook	Hartford	1905	Fair	1,200
Interstate-84 over Connecticut River	Hartford	1906	Fair	135,200
East Street over Amtrak Railroad	New Haven	1906	Fair	3,600
Cedar Street No. 1 over Metro North Railroad	New Haven	1906	Fair	3,092
Washington Ave. #3 over Mad River	New Haven	1906	Fair	6,000
Wallace Street over Amtrak Railroad	New Haven	1906	Fair	2,287
Palmer Hill Road over Mianus River	Fairfield	1907	Fair	6,580
Capitol Avenue over Rooster River Overflow	Fairfield	1907	Fair	7,390
Walnut Street over Amtrak & Central NE Rr	Hartford	1907	Fair	9,200
East Liberty ST over Mad River	New Haven	1907	Good	3,500
Court Street over Metro North Railroad	New Haven	1907	Fair	408
Lamberton Street over Metro North Railroad	New Haven	1907	Fair	3,865
Humphrey Street over Mill River	New Haven	1908	Poor	4,100
Sunnyside Street over Yantic River	New London	1908	Fair	465
Long Hill Drive over Conn. Southern Railroad	Hartford	1909	Fair	4,730
US Route 1 over Yellow Mill Channel	Fairfield	1910	Good	20,200
Ssr 454 over Indian Hole Brook	Fairfield	1910	Fair	700
Route 130 over Ash Creek	Fairfield	1910	Fair	10,100
Hales Road over Metro-north Railroad	Fairfield	1910	Good	1,102
West Cedar Street over Five Mile River	Fairfield	1910	Poor	5,120
Silvermine Road over Housatonic Rr	Fairfield	1910	Fair	4,780
Depot Road over Norwalk River	Fairfield	1910	Poor	0
Boston Neck Road over Stony Brook	Hartford	1910	Fair	2,542
Route 160 over Roaring Brook	Hartford	1910	Fair	1,500
Romford Road over Bantam River	Litchfield	1910	Fair	380
Belleview Avenue over Gulf Stream	Litchfield	1910	Fair	520
Pothier Road over Nickel Mine Brook	Litchfield	1910	Fair	390
Dennison Road over Conn Valley Railroad	Middlesex	1910	Fair	1,274
Edgewood Avenue over West River & Park Road	New Haven	1910	Fair	3,100
Hillhouse Avenue over Farmington Canal Greenwa	New Haven	1910	Good	6,400
Copse Road over Amtrak Railroad	New Haven	1910	Poor	1,200
Route 146 over West River	New Haven	1910	Poor	5,500
Cedar Street over Harbor Brook	New Haven	1910	Good	807
Fort Path Road over Amtrak Railroad	New Haven	1910	Poor	545
Flanders River RD over Hop River	Tolland	1910	Fair	769
Boston Hollow RD 2 over Bigelow Brook	Windham	1910	Poor	55
Route 37 over Boggs Pond Brook	Fairfield	1911	Fair	13,740
US Route 1 over Strickland Brook	Fairfield	1911	Fair	18,700
Button Shop Road over Housatonic Rr	Fairfield	1911	Good	2,500
Farrell Road over Housatonic Rr	Fairfield	1912	Fair	343
Glover AVE over Norwalk River	Fairfield	1912	Fair	2,185
Sigourney Street over Central New England Rr	Hartford	1912	Fair	7,600
Edwards Street over Central New England Rr	Hartford	1912	Good	3,300
Prospect Street over W Branch Naugatuck River	Litchfield	1912	Fair	3,090
Clifton ST over Amtrak Railroad	New Haven	1912	Fair	1,970
Ferry Street over Amtrak Railroad	New Haven	1912	Fair	13,600
Chapel Street over Prov & Worc Railroad	New Haven	1912	Fair	8,452
Maple Street over Naugatuck River	New Haven	1912	Fair	12,900
Spring Street over Middle River	Tolland	1912	Fair	914
U.s. Route 1 over Noroton River	Fairfield	1913	Good	7,900
Route 189 over Wash Brook	Hartford	1913	Fair	17,800
Route 82 over Connecticut River	Middlesex	1913	Poor	9,100
Route 196 over Pocotopaug Creek	Middlesex	1913	Fair	3,100
Naugatuck Avenue over Metro North Railroad	New Haven	1913	Fair	3,300
US Route 1 over Neck River	New Haven	1914	Fair	7,500
Route 73 over Steele Brook	New Haven	1914	Fair	12,000
Dewitt Street over Metro North Railroad	New Haven	1914	Fair	552
Flanders Road over Willimantic River	Tolland	1914	Poor	800
Stone Bridge Road over Little River	Windham	1914	Fair	572
White Street over Housatonic Rr	Fairfield	1915	Fair	14,200
Forest Street over Abandoned Dot Railroad	Litchfield	1915	Fair	2,387
Quinnipiac Street over Wallace Raceway	New Haven	1915	Poor	12,500
E. Washington AVE over Pequonnock River	Fairfield	1916	Fair	3,343
Route 189 over Wash Brook	Hartford	1916	Good	8,100
Fern Street over West Branch Trout Brook	Hartford	1916	Poor	7,000
Still Road over Tumble Brook	Hartford	1916	Fair	3,500
US Route 1 over Jordan Brook	New London	1916	Good	8,100
Bridge Street over Amtrak Railroad	New Haven	1917	Fair	290
SR 712 (bridge St) over Housatonic River	Fairfield	1918	Fair	9,500
Route 34 over Housatonic River	Fairfield	1919	Poor	8,800
Hanover Road over Housatonic Railroad	Fairfield	1919	Good	1,900
Selleck Street over Metro North Railroad	Fairfield	1919	Fair	12,400
Route 25 over Still River	Fairfield	1920	Fair	8,600
Sasco Creek Road over Metro-north Railroad	Fairfield	1920	Good	857
Poverty Hollow RD over Aspetuck River	Fairfield	1920	Fair	885
Silver Hill Road over Aspetuck River	Fairfield	1920	Poor	300
Jacobs Street over Pequabuck River	Hartford	1920	Fair	3,631
South Main Street over Blackledge River	Hartford	1920	Fair	1,200
Route 157 over Asmun Brook	Middlesex	1920	Fair	4,100
River Road #1 over Sumner Brook	Middlesex	1920	Poor	2,892
South Main Street over Beacon Falls Canal	New Haven	1920	Fair	7,800
Howard Avenue over Metro North Railroad	New Haven	1920	Fair	7,100
Tuttle Avenue over Mill River	New Haven	1920	Good	974
Bridge Street over Oxoboxo Brook	New London	1920	Fair	1,056
Forge Hill Road over Pachaug River	New London	1920	Poor	482
Juniper Lane over Mount Hope River	Tolland	1920	Fair	129
Route 12 over Mill Brook	Windham	1920	Good	6,600
River Street over Factory Tunnel	Windham	1920	Good	259
Memorial Blvd. over Pequabuck River	Hartford	1921	Good	8,380
Route 272 over Nickel Mine Brook	Litchfield	1921	Fair	2,500
US Route 1 over Housatonic River	New Haven	1921	Fair	16,500
Route 63 over West River	New Haven	1921	Fair	23,100
East Old Route 6 over Little River	Windham	1921	Fair	500
Wall Street over Norwalk River	Fairfield	1922	Fair	7,180
Route 191 over Broad Brook	Hartford	1922	Fair	1,000
SR 846 over Naugatuck River	New Haven	1922	Fair	20,300
US Route 1 over Mystic River	New London	1922	Fair	11,000
Route 85 over Latimers Brook	New London	1922	Fair	15,200
U.s. Route 202 over Nepaug River	Litchfield	1923	Fair	10,800
SR 616 over Gillett Brook	New London	1923	Good	1,600
Route 31 over Skungamaug River	Tolland	1923	Fair	8,700
North Pond Street over Pan Am Railroad	Hartford	1924	Good	3,750
U.s. Route 7 over Gunn Brook	Litchfield	1924	Fair	2,100
Route 128 over Mill Brook	Litchfield	1924	Fair	1,100
Route 34 over Eight Mile Brook	New Haven	1924	Good	9,800
Pearl Street over Bladens River	New Haven	1924	Fair	2,333
Willow Street over Willow Brook	New Haven	1924	Poor	625
Routes 53 & 107 over Saugatuck River	Fairfield	1925	Fair	8,000
Route 108 over Means Brook	Fairfield	1925	Fair	16,400
West Street over Still River	Fairfield	1925	Fair	16,000
Cliffdale Road over Byram River	Fairfield	1925	Good	585
Route 191 over Scantic River	Hartford	1925	Poor	1,500
US Route 1 over Patchogue River	Middlesex	1925	Fair	7,400
Route 17 over Reservoir Brk & Cattle P	Middlesex	1925	Fair	7,200
Route 82 over Eight Mile River	Middlesex	1925	Fair	3,300
Freight Street over Naugatuck River	New Haven	1925	Fair	7,600