Bridges in Connecticut

4,363Total Bridges

1,210Good

2,944Fair

209Poor

Bridge Conditions in Connecticut

Connecticut has 4,363 bridges tracked in the National Bridge Inventory. Of these, 209 (4%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in Connecticut is 57 years old.

Connecticut Bridge Facts

Total Bridges	4,363
Good Condition	1,210
Fair Condition	2,944
Poor Condition	209
Average Bridge Age	57 years
Longest Bridge	6368.1 ft

Longest Bridges in Connecticut

Interstate 95 Sout over Thames Rv Loc Rds & Rr6368.1 ftFair Interstate 95 Nort over Thames Rv Rr Local Roads5931.1 ftPoor Interstate 95 Nort over Us1 Quinnipiac Rv P&w Rr4644.0 ftFair Interstate 95 Sout over Us1 Quinnipiac Rv P&w Rr4598.1 ftFair Interstate-84 EB over I-84WB Rte8 Naugatuck Rv3766.1 ftPoor

Counties in Connecticut

Fairfield862 bridges33 poor Hartford916 bridges32 poor Litchfield470 bridges35 poor Middlesex309 bridges13 poor New Haven893 bridges33 poor New London442 bridges23 poor Tolland207 bridges17 poor Windham264 bridges23 poor

Poor Condition Bridges in Connecticut

Bridge	County	Length	Traffic	Year
Interstate-95 over Mill Plain Road	Fairfield	77.1 ft	130,300	1958
Interstate-95 over Metro North Railroad	New Haven	465.9 ft	121,500	1956
Route 2 over Hockanum River	Hartford	444.9 ft	75,400	1962
Interstate-84 WB over Hamilton Street	Hartford	121.1 ft	68,900	1967
Interstate-91 NB over Elm Street	Hartford	111.2 ft	64,400	1964
Interstate-84 EB over I-84WB Rte8 Naugatuck Rv	New Haven	3766.1 ft	63,000	1967
Interstate-95 over Route 161	New London	106.3 ft	59,100	1958
Route 9 over P&w Railroad & Union ST	Middlesex	207.0 ft	55,700	1950
Interstate-91 SB over Csorr SR 598wb & Tr803	Hartford	1800.2 ft	50,700	1964
Route 15 & U.s. 5 over P&w Rr & Hartford AVE	Hartford	307.7 ft	47,500	1942
Interstate 95 Nort over Thames Rv Rr Local Roads	New London	5931.1 ft	42,600	1943
Interstate-84 EB over Shadduck Road	New Haven	131.9 ft	35,800	1964
Interstate 684 NB over Byram River	Fairfield	59.1 ft	35,050	1968
Interstate-395 over Bishop Crossing RD	New London	137.1 ft	34,800	1958
Route 15 NB over Quinnipiac River	New Haven	107.0 ft	33,700	1946
Interstate 84 WB over RTE 8 Naug Riv M-n Rr	New Haven	2461.0 ft	33,600	1967
Interstate-95 SB over Route 12	New London	261.2 ft	33,500	1964
Route 15 over Mc Mullen Avenue	Hartford	54.1 ft	32,000	1943
Interstate-95 Sout over Groton Reservoir	New London	723.1 ft	30,500	1964
Route 8 Northbound over Route 8 SB & Local Roads	New Haven	2633.9 ft	30,400	1966
Route 66 over Conn River RTE 9 P&w Rr	Middlesex	3428.1 ft	28,000	1938
Interstate-691 EB over Interstate-91	New Haven	287.1 ft	22,500	1965
Route 40 SB over Amtrak Railroad	New Haven	122.0 ft	22,200	1971
US Route 44 RTE 1 over Still River	Litchfield	136.2 ft	18,500	1949
US Route 1 over West River	Fairfield	102.4 ft	17,600	1950
Route 8 Southbound over Riverside St-sunnyside	New Haven	1588.9 ft	16,900	1966
Route 8 Northbound over Branch Brook	Litchfield	271.7 ft	16,800	1964
US RTE 1 W Broad S over Pawcatuck River	New London	116.1 ft	16,400	1932
Route 15 SB over Route 314 - Berlin Tnpk.	Hartford	158.1 ft	16,000	1942
SR 745 Kimberly Av over West River	New Haven	461.9 ft	16,000	1969
Route 195 over Interstate 84	Tolland	200.5 ft	15,900	1956
US 44 EB & Main ST over I-84 & Morgan ST Ramp	Hartford	205.4 ft	14,700	1963
Route 130 over Pequonnock River	Fairfield	524.9 ft	14,600	1975
I-84 Tr 809 over Route 8 NB Riverside ST	New Haven	780.8 ft	14,600	1966
US Route 1 over Metro North Railroad	Fairfield	248.0 ft	14,300	1933
Route 9 Northbound over Beaver Meadow Road	Middlesex	100.7 ft	14,300	1966
West Broad Street over Rippowam River	Fairfield	126.0 ft	14,220	1954
SR 502 -spencer ST over Interstate-384	Hartford	320.9 ft	13,700	1974
Route 17 over New London Turnpike	Hartford	60.0 ft	12,600	1952
Quinnipiac Street over Wallace Raceway	New Haven	37.1 ft	12,500	1915
Route 136 over Saugatuck River	Fairfield	287.1 ft	12,400	1870
Commerce Drive over Ash Creek	Fairfield	46.9 ft	12,090	1950
Route 32 over New England Central Rr.	New London	235.6 ft	11,800	1941
SR 536 -crooked ST over Pan Am Railroad	Hartford	186.7 ft	11,300	1969
Route 2 Eastbound over Route 85	New London	118.1 ft	11,200	1966
I-84 830 Sr500-805 over I-84 EB & SR 500	Hartford	73.5 ft	10,500	1964
Route 17 NB over Route 17 SB Ramp 007	Hartford	73.2 ft	9,800	1952
Route 322 over Ten Mile River	Hartford	36.1 ft	9,500	1989
Route 82 over Connecticut River	Middlesex	884.8 ft	9,100	1913
Route 34 over Housatonic River	Fairfield	982.9 ft	8,800	1919
Toelles Road over Quinnipiac River	New Haven	119.1 ft	8,703	1982
Fairfield Avenue over Interstate-95	Fairfield	170.9 ft	8,600	2015
Island Brook AVE over Pequonnock River	Fairfield	54.1 ft	8,240	1938
SR 738 (e. Center over Interstate-91	New Haven	308.1 ft	8,000	1965
Route 153 (essex R over Interstate-95	Middlesex	179.1 ft	7,900	1957
Grove Street over Housatonic River	Litchfield	345.5 ft	7,900	1977
East Albert Street over Naugatuck River	Litchfield	156.5 ft	7,800	1959
US Route 44 over Wachocastinook Creek	Litchfield	41.0 ft	7,400	1951
New London Tpke over Yantic River	New London	142.1 ft	7,400	1963
Jerome Avenue over Freeman Hill Brook	Hartford	39.0 ft	7,240	1964
I-95 N On Ramp 316 over Drainage	Fairfield	32.8 ft	7,100	1955
Fern Street over West Branch Trout Brook	Hartford	24.0 ft	7,000	1916
Congress Street #2 over Mill River	Fairfield	35.1 ft	6,505	1935
Kennedy Avenue over Still River	Fairfield	43.0 ft	6,500	1964
River Road #2 over Strickland Brook	Fairfield	44.9 ft	6,300	1977
Center Street over Harbor Brook	New Haven	24.9 ft	6,186	1871
US Route 1 NB over I-95 Ramp 310 SR 641 SB	New London	300.5 ft	6,100	1973
SR 736 - Buckingha over Gulf Pond	New Haven	74.5 ft	5,900	1951
Route 146 over West River	New Haven	57.1 ft	5,500	1910
Church Street over W Br Naugatuck River	Litchfield	111.2 ft	5,350	1956
West Cedar Street over Five Mile River	Fairfield	27.9 ft	5,120	1910
I-84 Tr 813 over I-84 WB & SR 536	Hartford	507.9 ft	4,900	1969
Oregon Road over Quinnipiac River	New Haven	174.9 ft	4,900	1963
US Route 202 over Shepaug River	Litchfield	186.0 ft	4,800	1957
Route 10 over Route 322	Hartford	59.1 ft	4,600	1936
Route 31 over New England Central Rr	Tolland	88.9 ft	4,600	1947
Geo.washington HWY over Miry Brook	Fairfield	28.9 ft	4,490	1986
Lakeside Drive over North Stamford Reservoir	Fairfield	40.0 ft	4,220	1936
I-84 Tr 808 over Route 8 SB & Ramp 129	New Haven	651.9 ft	4,200	1966
Kensington Road over Mattabesset River	Hartford	65.0 ft	4,200	1958
Alpha Avenue over Amtrak Rr & Local Roads	New London	625.0 ft	4,200	1940
Quarry Road over Interstate-95	New Haven	171.9 ft	4,100	1958
Humphrey Street over Mill River	New Haven	85.0 ft	4,100	1908
Old Kings Highway over Stony Brook	Fairfield	26.9 ft	3,820	1935
Route 154 over Roaring Brook	Middlesex	20.0 ft	3,800	1931
Naugatuck Avenue over Metro North Railroad	New Haven	99.1 ft	3,790	1929
Boardman Road over Housatonic River	Litchfield	234.6 ft	3,700	1984
Greens Farms Road over Sasco Brook	Fairfield	35.1 ft	3,540	1973
Cedar Heights Road over Rippowam River	Fairfield	32.2 ft	3,390	1933
Curtiss Street over Interstate-84	Hartford	265.1 ft	3,100	1963
Eagle Street over Naugatuck River	New Haven	178.1 ft	3,067	1956
Meadow Street over Mad River	Litchfield	73.2 ft	3,010	1956
Route 17 Ramp 007 over New London Turnpike	Hartford	84.0 ft	3,000	1952
Route 154 over Back River	Middlesex	32.2 ft	3,000	1935
Route 32 NB over I-95 US 1 NB SR 623&641	New London	764.1 ft	3,000	1974
Clapboard Hill RD over East River	New Haven	39.0 ft	3,000	1950
Wellers Bridge RD over Shepaug River	Litchfield	147.0 ft	3,000	1955
Connelly Parkway over Mill River	New Haven	83.0 ft	2,900	1940
River Road #1 over Sumner Brook	Middlesex	59.1 ft	2,892	1920
Franklin Street over E Br Naugatuck River	Litchfield	66.9 ft	2,840	1958