Total Bridges
4,277
Public highway bridges in Connecticut
State profile · Below national median SD
Connecticut bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Connecticut — drawn straight from the FHWA National Bridge Inventory.
- 4,277
- Public bridges
- 24.0%
- Good condition
- 4.0%
- Poor condition
- 4.0%
- Structurally deficient
Good Condition
24.0%
1,025 bridges rated 7-9
-26.0pp vs 50% benchmark
Poor Condition
4.0%
169 bridges rated 0-4
Structurally Deficient
4.0%
169 bridges flagged for repair priority
-3.0pp vs national avg 7.0%
Connecticut vs national bridge condition
Connecticut — Good condition share 24.0%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Connecticut — Structurally deficient share 13.2%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — Connecticut (FHWA NBI)
Connecticut vs nearby ranks
Adjacent states on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Connecticut on the same metric.
Bridges Needing Most Attention in Connecticut
Six lowest-condition bridges in Connecticut, ranked by composite NBI rating. Each is inspected at least every 24 months.
SHERMAN STREET
Structurally DeficientOver: YANTIC RIVER
1 MILE WEST ROUTE 2, New London, CT
Built 1920 Load: 3.9 t
RIVER BANK ROAD
Structurally DeficientOver: EAST BRANCH MIANUS RIVER
0.8 MI N OF ROUTE 15, Fairfield, CT
Built 1957 Load: 8.1 t ADT: 1,500
TRACY ROAD #1
PoorOver: KITT BROOK
0.5 MI SOUTH OF ROUTE 14, Windham, CT
Built 1928 Load: 8.7 t ADT: 176
ROUTE 136
PoorOver: SAUGATUCK RIVER
BETWEEN I-95 EXIT 17 & 18, Fairfield, CT
Built 1870 Load: 10.0 t ADT: 14,500
KENSINGTON ROAD
PoorOver: MATTABESSET RIVER
0.2 MI S OF ROUTE 372, Hartford, CT
Built 1958 Load: 10.0 t ADT: 4,200
SR 664
PoorOver: SNAKE MEADOW BROOK
3 MI NORTH OF ROUTE 14, Windham, CT
Built 1925 Load: 11.3 t ADT: 600
All Bridges in Connecticut
CAMELS BACK ROAD
FairOver: AMTRAK RAILROAD
.10 MI E OF KENSINGTON RD, Hartford, CT
Built 1891 Load: 48.1 t ADT: 3,300
ROUTE 41
FairOver: SAGES RAVINE BROOK
0.02MI S OF MA STATELINE, Litchfield, CT
Built 1929 Load: 48.1 t ADT: 1,200
HIGHLAND AVENUE
FairOver: ALEWIFE COVE
0.2 MI WEST OF OCEAN AVE., New London, CT
Built 1975 Load: 48.1 t ADT: 1,003
MEETING HSE HLL RD
FairOver: SUSQUETONSCUT BROOK
Rt 87to Champ.to Mtg Hse, New London, CT
Built 1940 Load: 48.1 t ADT: 214
BLAIN ROAD
FairOver: FRENCH RIVER
200 FEET WEST OF ROUTE 12, Windham, CT
Built 1940 Load: 48.1 t ADT: 1,230
U.S. ROUTE 202
FairOver: NEPAUG RIVER
2.3 MILES EAST OF RTE 219, Litchfield, CT
Built 1923 Load: 48.2 t ADT: 9,800
ROUTE 74
FairOver: HOCKANUM RIVER
.5 MILE EAST OF ROUTE 31, Tolland, CT
Built 1938 Load: 48.2 t ADT: 2,200
INTERSTATE-95
FairOver: NEW ENGLAND AVENUE
BETWEEN EXIT 23 & 24, Fairfield, CT
Built 1958 Load: 48.3 t ADT: 121,100
INTERSTATE-95
FairOver: SUNSET AVENUE
0.2 MI S OF US ROUTE 1, Fairfield, CT
Built 1958 Load: 48.3 t ADT: 121,100
ROUTE 15
FairOver: TACONIC ROAD
6.3 MI E OF STATE LINE, Fairfield, CT
Built 1936 Load: 48.3 t ADT: 65,120
SIMPAUG TURNPIKE
FairOver: SAUGATUCK RIVER
EAST OF RAILROAD STATION, Fairfield, CT
Built 1956 Load: 48.3 t ADT: 895
BLACK ROCK TPKE
FairOver: METRO NORTH RAILROAD
0.2 MI S OF US ROUTE 1, Fairfield, CT
Built 1900 Load: 48.3 t ADT: 10,800
ROUTE 150
FairOver: QUINNIPIAC RIVER
AT JCT RTE 68 & RTE 150, New Haven, CT
Built 1951 Load: 48.3 t ADT: 13,800
CHESHIRE STREET
FairOver: QUINNIPIAC RIVER
0.3 MI N OF ROUTE 70, New Haven, CT
Built 1957 Load: 48.3 t ADT: 3,962
I-84 WB & RAMPS
FairOver: HOCKANUM RIVER
.1 MILE E OF S.WINDSOR TL, Tolland, CT
Built 1982 Load: 48.3 t ADT: 52,950
U.S. ROUTE 202
FairOver: E BRANCH NAUGATUCK RIVER
0.4 MILE WEST OF ROUTE 8, Litchfield, CT
Built 1957 Load: 48.5 t ADT: 15,900
INTERSTATE-95
FairOver: RITCH AVENUE
RITCH AV.5 MILE E OF EX.2, Fairfield, CT
Built 1958 Load: 48.6 t ADT: 111,200
BLACK BRIDGE ROAD
FairOver: W BR FARMINGTON RIVER
BETWEEN RTE 44 & RTE 219, Litchfield, CT
Built 1999 Load: 48.6 t ADT: 121
ROUTE 145
FairOver: AMTRAK RAILROAD
0.2 MI N OF US ROUTE 1, Middlesex, CT
Built 1977 Load: 48.6 t ADT: 4,300
MINER STREET
FairOver: FALL BROOK
0.7 MI W OF ROUTE 217, Middlesex, CT
Built 1978 Load: 48.6 t ADT: 1,435
ROUTE 17
FairOver: CARR BROOK
1.6 MI N OF ROUTE 66, Middlesex, CT
Built 1938 Load: 48.6 t ADT: 3,200
RIVER ROAD
FairOver: POMPERAUG RIVER
NEAR I-84 EXIT 13, New Haven, CT
Built 1962 Load: 48.6 t ADT: 2,000
HANOVER STREET
FairOver: HARBOR BROOK
660 FT E OF COE AVE, New Haven, CT
Built 1930 Load: 48.6 t ADT: 6,700
ROUTE 319
FairOver: MIDDLE RIVER
0.7 MI EAST OF ROUTE 190, Tolland, CT
Built 1983 Load: 48.6 t ADT: 3,500
WEST MOUNTAIN RD
FairOver: CHERRY BROOK
100 FT WEST OF ROUTE 179, Hartford, CT
Built 1956 Load: 48.8 t ADT: 875
TRIANGLE STREET
FairOver: METRO-NORTH RAILROAD
990FT N OF ROUTE 136, Fairfield, CT
Built 1967 Load: 48.9 t ADT: 4,538
U.S. ROUTE 5
FairOver: HOCKANUM RIVER
0.2 MILE NORTH OF RTE 15, Hartford, CT
Built 1941 Load: 48.9 t ADT: 21,000
ROUTE 8 NORTHBOUND
FairOver: FIFTH STREET
0.9 MILES SOUTH OF I-84, New Haven, CT
Built 1965 Load: 48.9 t ADT: 25,400
HOWARD AVENUE
FairOver: METRO NORTH RAILROAD
1.0 MILE NORTH OF I 95, New Haven, CT
Built 1920 Load: 48.9 t ADT: 7,100
ROUTE 12
FairOver: FRENCH RIVER
1.5 MILES N OF ROUTE 200, Windham, CT
Built 1937 Load: 48.9 t ADT: 4,000
INTERSTATE-395 SB
FairOver: PROV & WORC RAILROAD
North of Tracy Road, Windham, CT
Built 1968 Load: 48.9 t ADT: 16,700
ROUTE 75
FairOver: FARMINGTON RIVER
1.13 MI S OF WNDSR LKS TL, Hartford, CT
Built 1953 Load: 49.0 t ADT: 9,000
TAINTOR STREET
FairOver: STONY BROOK
1.0 MILE SOUTH OF SR 526, Hartford, CT
Built 2001 Load: 49.0 t ADT: 505
SR 565
FairOver: RATTLESNAKE BROOK
0.5 MILE EAST OF RTE. 179, Hartford, CT
Built 1993 Load: 49.0 t ADT: 6,600
ROUTE 112
FairOver: SALMON CREEK
INTERSECT WHITE HOLLOW RD, Litchfield, CT
Built 1958 Load: 49.0 t ADT: 3,300
ROUTE 8 NORTHBOUND
FairOver: REYNOLDS BRIDGE ROAD
0.1 MI NORTH WATERTOWN TL, Litchfield, CT
Built 1964 Load: 49.0 t ADT: 16,900
FRENCH STREET
FairOver: STEELE BROOK
500 FEET EAST OF ROUTE 63, Litchfield, CT
Built 1983 Load: 49.0 t ADT: 5,199
JACKSON STREET #1
FairOver: P & W RAILROAD
0.1 MI N OF ROUTE 66, Middlesex, CT
Built 1936 Load: 49.0 t ADT: 56
ROUTE 34
FairOver: EIGHT MILE BROOK
2 MILES WEST OF RTE 188, New Haven, CT
Built 1924 Load: 49.0 t ADT: 9,800
FALLS AVENUE
FairOver: STEELE BROOK
200' NORTH OF ROUTE 73, New Haven, CT
Built 1940 Load: 49.0 t ADT: 4,300
US ROUTE 6
FairOver: QUINEBAUG RIVER
.1 MILE WEST OF ROUTE 12, Windham, CT
Built 1957 Load: 49.0 t ADT: 17,500
ROUTE 3
FairOver: GREAT MEADOW RD & CT RV.
.22MI N OF ACCESS TO I-91, Hartford, CT
Built 1959 Load: 49.1 t ADT: 55,100
DRAIN STREET
FairOver: LITTLE RIVER
500 FEET FROM JCT ROUTE 6, Windham, CT
Built 1970 Load: 49.1 t ADT: 193
INTERSTATE-95
FairOver: BOSTWICK AVE
0.3 MI N OF ROUTE 130, Fairfield, CT
Built 2006 Load: 49.2 t ADT: 129,100
I-84 EASTBOUND
FairOver: HOUSATONIC RIVER
OVER HOUSATONIC RIVER, Fairfield, CT
Built 1953 Load: 49.2 t ADT: 76,300
ROUTE 173
FairOver: AMTRAK RAILROAD & BUSWAY
1.5 MILES NORTH ROUTE 175, Hartford, CT
Built 1938 Load: 49.2 t ADT: 17,100
ROUTE 3
FairOver: MAIN STREET
.17 MI WEST OF ROUTE 2, Hartford, CT
Built 1986 Load: 49.2 t ADT: 50,500
ROUTE 272
FairOver: W.BRANCH NAUGATUCK RIVER
2.6 MILES NORTH OF RTE. 4, Litchfield, CT
Built 1954 Load: 49.2 t ADT: 2,200
ROUTE 149
FairOver: JEREMY RIVER
0.9 MI S OF ROUTE 2, New London, CT
Built 1999 Load: 49.2 t ADT: 5,100
SR 805 (FEDERAL RO
FairOver: BEAVER BROOK RD
.96 MI N OF WHITE ST JCT, Fairfield, CT
Built 1991 Load: 49.3 t ADT: 13,300
Showing 2,501-2,550 of 4,277 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |