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
ROUTE 156
FairOver: AMTRAK RAILROAD
5.4 MI E OF I-95, New London, CT
Built 1957 Load: 50.6 t ADT: 2,600
ROUTE 157
FairOver: COGINCHAUG RIVER
AT MIDDLETOWN TOWN LINE, Middlesex, CT
Built 1936 Load: 50.7 t ADT: 2,600
ROUTE 8 NORTHBOUND
FairOver: PAN AM SO. RR SPUR LINE
0.2 MI N OF ROUTE 73, New Haven, CT
Built 1964 Load: 50.7 t ADT: 26,300
INTERSTATE-84
FairOver: GREAT PLAIN ROAD
BETWEEN EXITS 6 & 7, Fairfield, CT
Built 1960 Load: 50.8 t ADT: 126,900
SEELEY ROAD
FairOver: NORWALK RIVER
EAST OF ROUTE 7, Fairfield, CT
Built 1955 Load: 50.8 t ADT: 947
RUGG BROOK ROAD
FairOver: MAD RIVER
250' SOUTH OF ROUTE 44, Litchfield, CT
Built 1956 Load: 50.8 t ADT: 135
US ROUTE 202
FairOver: NEPAUG RIVER
1.2 MILES EAST OF RTE 219, Litchfield, CT
Built 1989 Load: 50.8 t ADT: 10,000
ROUTE 8 NORTHBOUND
FairOver: PORTER STREET
1 MI SOUTH OF I-84 INTER., New Haven, CT
Built 1965 Load: 50.8 t ADT: 25,500
NOYES AVENUE NO. 1
FairOver: AMTRAK RAILROAD
0.5 MI S OF US ROUTE 1, New London, CT
Built 1987 Load: 50.8 t ADT: 673
INDIAN FIELD ROAD
FairOver: METRO NORTH RAILROAD
NORTH OF I-95 EXIT NO. 4, Fairfield, CT
Built 1900 Load: 50.9 t ADT: 7,100
LONG HILL DRIVE
FairOver: CONN. SOUTHERN RAILROAD
100 FEET NORTH TOLLAND ST, Hartford, CT
Built 1909 Load: 50.9 t ADT: 4,730
INTERSTATE-95
FairOver: COMPO ROAD SOUTH
BETWEEN EXIT 17 AND 18, Fairfield, CT
Built 1957 Load: 51.0 t ADT: 110,000
RTE 103(MAPLE AVE)
FairOver: CSX RAILROAD
2.0 MI S OF ROUTE 22, New Haven, CT
Built 1961 Load: 51.1 t ADT: 7,500
BLAKE STREET
FairOver: TOWN FARM BROOK
150' W. OF FARNHAM AVENUE, New Haven, CT
Built 1939 Load: 51.1 t ADT: 7,000
INTERSTATE-95
FairOver: SOUND BEACH AVENUE
0.2 M EAST OF I95,EXIT 5, Fairfield, CT
Built 1958 Load: 51.2 t ADT: 121,100
US ROUTE 7 NB
FairOver: HRRC,STILL RV, MALL ACC.
SOUTH OF I-84 EXIT 3, Fairfield, CT
Built 1962 Load: 51.2 t ADT: 25,100
ROUTE 2 EASTBOUND
FairOver: NEIPSIC ROAD
NEIPSIC ROAD EXIT 9, Hartford, CT
Built 1964 Load: 51.2 t ADT: 21,900
OLD TURNPIKE ROAD
FairOver: QUINNIPIAC RIVER
0.3 MI N OF ROUTE 322, Hartford, CT
Built 1957 Load: 51.2 t ADT: 4,200
ROUTE 17
FairOver: RESERVOIR BRK & CATTLE P
0.5 MI N OF ROUTE 17A, Middlesex, CT
Built 1925 Load: 51.2 t ADT: 7,200
I-84 RAMP 198
FairOver: NO NOTABLE FEATURE
WESTBOUND ON RAMP BANK ST, New Haven, CT
Built 1967 Load: 51.2 t ADT: 4,600
PLEASANT POINT RD
FairOver: ABANDONED TROLLEY LINE
1 MI SOUTH OF ROUTE 146, New Haven, CT
Built 1989 Load: 51.2 t ADT: 114
ROUTE 32
FairOver: N.E. CENTRAL RAILROAD
0.1 NORTH JUNC ROUTE 2, New London, CT
Built 1956 Load: 51.2 t ADT: 18,600
SR 668
FairOver: PROV & WORC RAILROAD
.8 MILE EAST OF ROUTE 169, Windham, CT
Built 1979 Load: 51.2 t ADT: 2,200
NICHOLS ROAD
FairOver: MAD RIVER
0.6 MI E OF ROUTE 69, New Haven, CT
Built 1935 Load: 51.4 t ADT: 3,340
INTERSTATE-95
FairOver: BRONSON ROAD NO. 1
At EXIT 20, Fairfield, CT
Built 1958 Load: 51.5 t ADT: 114,100
US ROUTE 7 NB
FairOver: STILL RIV & GRAYS BR RD
0.6 MI N OF FEDERAL ROAD, Fairfield, CT
Built 1976 Load: 51.5 t ADT: 14,900
ROUTE 15 TR 805
FairOver: RESERVOIR AVENUE
EXT 49 RT15(15NB TO 25SB), Fairfield, CT
Built 1980 Load: 51.5 t ADT: 6,900
US ROUTE 44, RTE 1
FairOver: STILL RIVER
0.5 MILE WEST OF ROUTE 8, Litchfield, CT
Built 1949 Load: 51.5 t ADT: 16,900
MASONS ISLAND ROAD
FairOver: AMTRAK RAILROAD
0.1 MI S OF US ROUTE 1, New London, CT
Built 1996 Load: 51.5 t ADT: 2,166
INTERSTATE-95
FairOver: FIELD POINT ROAD
0.3 MI EAST OF EXT 3, Fairfield, CT
Built 1958 Load: 51.6 t ADT: 109,200
ROUTE 53
FairOver: SAUGATUCK RIVER
2.6 MI N OF ROUTE 107, Fairfield, CT
Built 1928 Load: 51.6 t ADT: 3,600
ROUTE 138
FairOver: LITTLE RIVER
2.2 MI EAST OF ROUTE 97, New London, CT
Built 1966 Load: 51.6 t ADT: 850
INTERSTATE-95
FairOver: FERRIS DRIVE
0.3 M EAST OF I-95,EXIT 5, Fairfield, CT
Built 1958 Load: 51.7 t ADT: 121,100
ROUTE 15
FairOver: FOLLY BROOK BOULEVARD
1 MILE SO. OF HARTFORD TL, Hartford, CT
Built 1942 Load: 51.7 t ADT: 34,900
SR 597 SOUTHBOUND
FairOver: CANAL ST, RAIL TO TRAIL
0.2 MI N OF ROUTE 10, Hartford, CT
Built 1963 Load: 51.7 t ADT: 4,800
RT.9 SB I-84 TR820
FairOver: INTERSTATE-84
FARMINGTON STACK, Hartford, CT
Built 1969 Load: 51.7 t ADT: 18,700
SQUIRE HILL ROAD
FairOver: WEST ASPETUCK RIVER
AT INTERS W/ BEAR HILL RD, Litchfield, CT
Built 1956 Load: 51.7 t ADT: 613
SR 832
FairOver: HOUSATONIC RAILROAD
.10 MI SOUTH OF MASS SL, Litchfield, CT
Built 1938 Load: 51.7 t ADT: 550
INTERSTATE-95 NB
FairOver: POHEGNUT POND
0.3 MI S OF ROUTE 117, New London, CT
Built 1964 Load: 51.7 t ADT: 33,600
ROUTE 8 NORTHBOUND
FairOver: LINDLEY STREET &PARKING
2.2 MI N OF I-95, Fairfield, CT
Built 1972 Load: 51.8 t ADT: 44,500
INTERSTATE-91 SB
FairOver: RESERVE ROAD & CSO RR
0.2 MILE NORTH OF C.O.B., Hartford, CT
Built 1962 Load: 51.8 t ADT: 50,700
ROUTE 189
FairOver: FARMINGTON RIVER
AT EAST GRANBY TOWN LINE, Hartford, CT
Built 1956 Load: 51.8 t ADT: 9,400
ROUTE 2 WESTBOUND
FairOver: NEIPSIC ROAD
NEIPSIC ROAD, Hartford, CT
Built 1964 Load: 51.8 t ADT: 21,900
ROUTE 9 NORTHBOUND
FairOver: BUSWAY-CT FASTRAK
.75 MI SOUTH OF EXIT 29, Hartford, CT
Built 1976 Load: 51.8 t ADT: 36,400
U.S. ROUTE 6
FairOver: STEELE BROOK
0.5 MILE EAST OF ROUTE 63, Litchfield, CT
Built 1957 Load: 51.8 t ADT: 6,500
U.S. ROUTE 6
FairOver: BRANCH BROOK
50' WEST OF THOMASTON TL, Litchfield, CT
Built 1939 Load: 51.8 t ADT: 8,300
ROUTE 8
FairOver: HOUSATONIC RAILROAD
AT EXIT 15, New Haven, CT
Built 1950 Load: 51.8 t ADT: 73,500
INTERSTATE-91 NB
FairOver: BALDWIN AVENUE
.75 MI NO I-691 & RTE 66, New Haven, CT
Built 1964 Load: 51.8 t ADT: 54,500
MATHER STREET
FairOver: FARMINGTON CANAL GREENWA
0.1 MI E OF ROUTE 10, New Haven, CT
Built 1942 Load: 51.8 t ADT: 4,800
ROUTE 207
FairOver: BEAVER BROOK
0.1 MI WEST OF ROUTE 97, New London, CT
Built 1941 Load: 51.8 t ADT: 3,700
Showing 2,601-2,650 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 |