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
BRANDY HILL ROAD
FairOver: QUADDICK LAKE
0.4 MILE NORTH OF SSR 438, Windham, CT
Built 1940 Load: 13.3 t ADT: 531
ROUTE 15
FairOver: SAUGATUCK RIVER
BETWEEN EXIT 41 & EXIT 42, Fairfield, CT
Built 1938 Load: 13.5 t ADT: 66,300
US ROUTE 1
FairOver: METRO NORTH RAILROAD
2.5 MI S OF I-95, New Haven, CT
Built 1933 Load: 14.3 t ADT: 13,536
PEEP TOAD ROAD
FairOver: WHETSTONE BROOK
2000 FT S OF ROUTE 101, Windham, CT
Built 1850 Load: 14.5 t ADT: 110
ROUTE 219
FairOver: E BR FARMINGTON RIVER
APP 1.2 MI N OF ROUTE 44, Litchfield, CT
Built 1929 Load: 15.2 t ADT: 2,000
ROUTE 8 NORTHBOUND
FairOver: BRANCH BROOK
0.25 MI SOUTH OF EXIT 38, Litchfield, CT
Built 1964 Load: 15.2 t ADT: 16,900
US ROUTE 202
FairOver: FARMINGTON RIVER
AT JCT OF ROUTE 202 & 179, Hartford, CT
Built 1961 Load: 15.6 t ADT: 11,600
FLATBUSH AVENUE
FairOver: SOUTH BRANCH PARK RIVER
0.1 MILE EAST OF SR 504, Hartford, CT
Built 1928 Load: 15.9 t ADT: 16,500
ROUTE 187
FairOver: FARMINGTON RV& TUNXIS AV
AT EAST GRANBY TOWN LINE, Hartford, CT
Built 1960 Load: 16.2 t ADT: 7,700
RT138 & LINCOLN SQ
FairOver: ABANDONED CANAL
1 MI EAST OF ROUTE 12, New London, CT
Built 1946 Load: 16.5 t ADT: 3,900
TOWN BRIDGE ROAD
FairOver: FARMINGTON RIVER
0.1 MI WEST OF ROUTE 179, Hartford, CT
Built 1895 Load: 16.8 t ADT: 230
INTERSTATE-95 SB
FairOver: TAUGWONK ROAD
0.8 MI N OF ROUTE 234, New London, CT
Built 1964 Load: 16.8 t ADT: 22,400
JUNIPER LANE
FairOver: MOUNT HOPE RIVER
150' EAST OF ROUTE 89, Tolland, CT
Built 1920 Load: 17.2 t ADT: 126
WEST GLEN DRIVE
FairOver: MIANUS RIVER
250' WEST OF WESTOVER RD, Fairfield, CT
Built 1964 Load: 17.5 t ADT: 600
ROUTE 47
FairOver: WEEKEEPEEMEE RIVER
NEAR INT OF RTE 132, Litchfield, CT
Built 1928 Load: 17.5 t ADT: 3,000
BROOKLYN TURNPIKE
FairOver: MERRICK BROOK
650' WEST OF BROOK ROAD, Windham, CT
Built 1940 Load: 17.8 t ADT: 480
INTERSTATE-91 NB
FairOver: PARK RIVER & CSO RR
AT EXIT 29A, Hartford, CT
Built 1964 Load: 18.1 t ADT: 51,350
MILL ROAD
FairOver: NONEWAUG RIVER
25 FEET SOUTH OF ROUTE 6, Litchfield, CT
Built 1900 Load: 18.1 t ADT: 300
QUINNIPIAC STREET
FairOver: QUINNIPIAC RIVER
150 FT E. OF ROUTE 15, New Haven, CT
Built 1938 Load: 18.1 t ADT: 12,500
INTERSTATE-395
FairOver: YANTIC RIVER, NEC RR
.2 MI N OF ROUTE 2 & 32, New London, CT
Built 1958 Load: 18.5 t ADT: 37,800
DRINKWATER PLACE
FairOver: METRO NORTH RAILROAD
100 FT N SUMMIT ROAD, Fairfield, CT
Built 1900 Load: 18.8 t ADT: 1,816
ROUTE 8 SOUTHBOUND
FairOver: BANK & S.LEONARD STREETS
AT EXIT 30 ROUTE 8 SB, New Haven, CT
Built 1965 Load: 18.8 t ADT: 23,800
RT 82EB & RT 32NB
FairOver: NEC RR & YANTIC RIVER
0.1 MI WEST OF ROUTE 2, New London, CT
Built 1986 Load: 18.8 t ADT: 10,400
PILFERSHIRE ROAD
FairOver: STILL RIVER
0.2 MI. EAST OF ROUTE 198, Windham, CT
Built 1939 Load: 18.8 t ADT: 123
INTERSTATE-95 NB
FairOver: TAUGWONK ROAD
0.7 MI N OF ROUTE 234, New London, CT
Built 1964 Load: 19.1 t ADT: 17,500
US ROUTE 1
FairOver: METRO NORTH & PEQUOT AVE
0.3 MI S OF I-95, Fairfield, CT
Built 1992 Load: 19.4 t ADT: 13,900
ROUTE 178
FairOver: WASH BROOK
0.1 MILES WEST OF RTE 189, Hartford, CT
Built 1926 Load: 19.4 t ADT: 8,400
US ROUTE 202
FairOver: W BRANCH NAUGATUCK RV
INTER US202 & SR800, Litchfield, CT
Built 1958 Load: 19.4 t ADT: 15,900
HALL AVENUE
FairOver: AMTRAK RAILROAD
500' E OF ROUTE 71, New Haven, CT
Built 1946 Load: 19.4 t ADT: 7,200
ROUTE 19
FairOver: FURNACE BROOK
1.6 MI NORTH OF ROUTE 319, Tolland, CT
Built 1952 Load: 19.4 t ADT: 2,000
I-84 TR 822
FairOver: TROUT BK & TROUT BK DR
I-84 WB EXIT 43 OFF RAMP, Hartford, CT
Built 1965 Load: 19.8 t ADT: 6,600
DENNISON ROAD
FairOver: CONN VALLEY RAILROAD
580 FT N OF ROUTE 154, Middlesex, CT
Built 1910 Load: 19.8 t ADT: 1,274
ROUTE 67
FairOver: BLADENS RIVER
0.9 MI E OF ROUTE 8, New Haven, CT
Built 1928 Load: 20.4 t ADT: 11,100
US ROUTE 1
FairOver: MYSTIC RIVER
.5 MILES EAST OF SR 614, New London, CT
Built 1922 Load: 20.4 t ADT: 11,000
ROUTE 59
FairOver: ROOSTER RIVER
370' NO. OF BRIDGEPORT TL, Fairfield, CT
Built 1985 Load: 20.7 t ADT: 9,200
US ROUTE 1
FairOver: METRO NORTH RAILROAD
AT INT. WITH STATE ST. N, New Haven, CT
Built 1900 Load: 20.7 t ADT: 7,100
I-91 SB & RAMP #13
FairOver: EAST STREET
1.2 MI N I-95, New Haven, CT
Built 1965 Load: 20.7 t ADT: 73,400
ROUTE 2
FairOver: SHETUCKET RIVER
INTERSECTION OF ROUTE 12, New London, CT
Built 1938 Load: 20.7 t ADT: 12,900
ROUTE 2A
FairOver: GALLIVAN LANE
0.5 MI E OF I-395, New London, CT
Built 1967 Load: 20.7 t ADT: 29,700
OLD ROCK LANE
FairOver: FIVE MILE RIVER
0.2 MI E OF W. NORWALK RD, Fairfield, CT
Built 1987 Load: 21.1 t ADT: 920
INTERSTATE-95
FairOver: MIANUS RIVER & LOCAL RDS
BETWEEN EXITS 4 & 5, Fairfield, CT
Built 1958 Load: 21.1 t ADT: 120,300
INTERSTATE-384 EB
FairOver: BIRCH MOUNTAIN BROOK
AT EXIT 4, Hartford, CT
Built 1970 Load: 21.1 t ADT: 19,350
ROUTE 222
FairOver: NAUGATUCK RIVER
500' W OF EXT 39 ROUTE 8, Litchfield, CT
Built 1930 Load: 21.1 t ADT: 8,300
ROUTE 67
FairOver: SECOND HILL BROOK
100' E. OF BRIDGEWATER TL, Litchfield, CT
Built 1958 Load: 21.1 t ADT: 3,900
ROUTE 8 SOUTHBOUND
FairOver: BRANCH BROOK
0.1 MILE SOUTH OF EXIT 38, Litchfield, CT
Built 1964 Load: 21.1 t ADT: 17,000
ROUTE 172
FairOver: POMPERAUG RIVER
I 84 EXIT 14 & 1 MILE NOR, New Haven, CT
Built 1939 Load: 21.1 t ADT: 7,000
ROUTE 40 SB
FairOver: CSX RR, QUINNIPIAC RIVER
0.6 MI N OF I-91 NB, New Haven, CT
Built 1972 Load: 21.1 t ADT: 22,200
ROUTE 30 & 83
FairOver: TANKERHOOSEN RIVER
0.3 MI E OF MANCHESTER TL, Tolland, CT
Built 1932 Load: 21.1 t ADT: 18,600
ROUTE 181
FairOver: W BR FARMINGTON RIVER
ROUTE 181 & 318, Litchfield, CT
Built 1939 Load: 21.4 t ADT: 6,600
STEELE ROAD
FairOver: BROOK
.1MI SOUTH OF ROUTE 219, Litchfield, CT
Built 1957 Load: 21.4 t ADT: 268
Showing 1,051-1,100 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 |