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
INTERSTATE-91 NB
FairOver: EVERGREEN ROAD
.69 MI SO OF RTE 9 O-PASS, Middlesex, CT
Built 1965 Load: 35.6 t ADT: 57,700
ROUTE 9 SOUTHBOUND
FairOver: FLORAL PARK ROAD
0.7 MI N OF I-95, Middlesex, CT
Built 1966 Load: 35.6 t ADT: 15,100
WIG HILL ROAD
FairOver: PATTACONK BROOK
90 FT N OF ROUTE 148, Middlesex, CT
Built 1950 Load: 35.6 t ADT: 150
ROUTE 67
FairOver: LITTLE RIVER
1.4 MI WEST OF ROUTE 42, New Haven, CT
Built 1933 Load: 35.6 t ADT: 9,100
ROUTE 8 RAMP 131
FairOver: WEST MAIN STREET #1
NB ON-RAMP FROM RIVERSIDE, New Haven, CT
Built 1965 Load: 35.6 t ADT: 1,800
ROUTE 8 SB
FairOver: RIVERSIDE STREET SB
Route 8 SB at Exit 33, New Haven, CT
Built 1965 Load: 35.6 t ADT: 25,500
HOP RIVER ROAD
FairOver: HOP RIVER
.3 MI NORTH OF RTE 6, Tolland, CT
Built 1955 Load: 35.6 t ADT: 268
ROUTE 63
FairOver: LONG MEADOW BROOK
0.5 MILE SOUTH OF ROUTE 8, New Haven, CT
Built 1961 Load: 35.8 t ADT: 10,800
N PORCHUCK ROAD
FairOver: E BRANCH OF BYRAM RIVER
.7M NW OF EX 28 ROUTE 15, Fairfield, CT
Built 2006 Load: 35.9 t ADT: 228
ROUTE 8 SOUTHBOUND
FairOver: NAUGATUCK RIVER & RR
1.5 MILE SOUTH OF RTE 118, Litchfield, CT
Built 1960 Load: 35.9 t ADT: 12,900
SSR 450
FairOver: AMTRAK & SCOTLAND ROAD
0.1 MI S OF I-95, New Haven, CT
Built 1957 Load: 35.9 t ADT: 8,500
CHESTNUT HILL ROAD
FairOver: FIVE MILE RIVER
350' FROM JCT WARE ROAD, Windham, CT
Built 1937 Load: 35.9 t ADT: 999
SR 712 BRIDGE ST.
FairOver: HOUSATONIC RR & LOCAL RD
50' EAST FROM ROUTE 110, Fairfield, CT
Built 1973 Load: 36.0 t ADT: 10,200
US ROUTE 7 SB
FairOver: CONNECTICUT AVENUE
0.6 MI N OF I-95, Fairfield, CT
Built 1970 Load: 36.0 t ADT: 27,500
INTERSTATE-291 EB
FairOver: AMTRAK & BIKE PATH
.5 MI E OF ROUTE 159 JCT, Hartford, CT
Built 1958 Load: 36.0 t ADT: 33,050
SR 503 WESTBOUND
FairOver: AMTRAK & CAPITOL AVENUE
0.50MI E FROM EXIT 46 I84, Hartford, CT
Built 1969 Load: 36.0 t ADT: 9,100
EAST HADDAM - COLC
FairOver: MOODUS RESERVOIR
2.9 MI E OF ROUTE 151, Middlesex, CT
Built 2000 Load: 36.0 t ADT: 2,300
I-91 NB & RAMP 136
FairOver: EAST STREET
1.2 MI N OF I-95, New Haven, CT
Built 1965 Load: 36.0 t ADT: 78,800
ROUTE 8 NORTHBOUND
FairOver: METRO-NORTH RAILROAD
.7 MI NO NUGTCK WTBRY TL, New Haven, CT
Built 1966 Load: 36.0 t ADT: 26,900
INTERSTATE-95 NB
FairOver: RIVER RD & MYSTIC RIVER
0.4 MI S OF ROUTE 27, New London, CT
Built 1964 Load: 36.0 t ADT: 26,200
ROUTE 66
FairOver: WILLIMANTIC RIVER
COLUMBIA WINDHAM TOWN LNE, Tolland, CT
Built 1937 Load: 36.0 t ADT: 7,300
ROUTE 85
FairOver: RAYMOND BROOK
300 FT SOUTH OF ROUTE 207, Tolland, CT
Built 1987 Load: 36.0 t ADT: 4,700
ROUTE 47
FairOver: NONEWAUG RIVER
0.6 MILE NORTH OF ROUTE 6, Litchfield, CT
Built 1956 Load: 36.1 t ADT: 3,900
INTERSTATE-384 WB
FairOver: FINLEY STREET
0.25 MI WEST OF BOLTON TL, Hartford, CT
Built 1968 Load: 36.2 t ADT: 15,000
MONTAUK AVENUE
FairOver: AMTRAK RAILROAD
1.0 MI S OF ROUTE 213, New London, CT
Built 1980 Load: 36.2 t ADT: 3,700
ROUTE 39
FairOver: WIMISINK BROOK
ROUTE 55 JUNCTION, Fairfield, CT
Built 1934 Load: 36.3 t ADT: 1,100
INTERSTATE 84 EB
FairOver: HANOVER ROAD
1.6 MI WEST OF SR 816, Fairfield, CT
Built 1960 Load: 36.3 t ADT: 38,000
SURF AVENUE
FairOver: BROOK
330 FEET NORTH OF I-95, Fairfield, CT
Built 1955 Load: 36.3 t ADT: 11,220
ROUTE 2 & RT 17 SB
FairOver: HOUSE STREET
ROUTE 2 AT EXIT NO 7, Hartford, CT
Built 1964 Load: 36.3 t ADT: 74,400
SR 571
FairOver: WILLOW BROOK
.4 MILE WEST OF JCT RTE 9, Hartford, CT
Built 1962 Load: 36.3 t ADT: 8,300
ROUTE 72 NB
FairOver: HARTFORD SQUARE
.85 MI SO.PLAINVILLE T.L., Hartford, CT
Built 1970 Load: 36.3 t ADT: 32,000
HAMILTON STREET
FairOver: SOUTH BRANCH PARK RIVER
400' EAST OF I-84, Hartford, CT
Built 1959 Load: 36.3 t ADT: 7,600
INDIAN NECK AVENUE
FairOver: BRANFORD RIVER
.5 MI NORTH OF ROUTE 146, New Haven, CT
Built 1991 Load: 36.3 t ADT: 3,860
ROUTE 2 WESTBOUND
FairOver: CAMP MOWEEN ROAD
1.2 MILES WEST OF EXIT 22, New London, CT
Built 1970 Load: 36.3 t ADT: 12,300
ROUTE 12
FairOver: QUINEBAUG RIVER
.1 MI NORTH OF ROUTE 138, New London, CT
Built 1930 Load: 36.3 t ADT: 8,200
INTERSTATE-95
FairOver: LIEUTENANT RIVER
0.4 MI N OF US ROUTE 1, New London, CT
Built 1948 Load: 36.3 t ADT: 59,000
ENGLAND ROAD
FairOver: NATCHAUG RIVER
0.2 MI EAST OF RTE. 198, Windham, CT
Built 1900 Load: 36.3 t ADT: 398
HELLSTROM ROAD
FairOver: FARM RIVER
750 FT E. OF ROUTE 100, New Haven, CT
Built 1980 Load: 36.4 t ADT: 986
ROUTE 106
FairOver: NOROTON RIVER
1.3 MILE N. OF US ROUTE 1, Fairfield, CT
Built 1968 Load: 36.6 t ADT: 8,300
ROUTE 8 SOUTHBOUND
FairOver: NORTH WASHINGTON AVENUE
1.7 MI N OF I-95, Fairfield, CT
Built 1970 Load: 36.6 t ADT: 46,000
STONY HILL ROAD
FairOver: HOUSATONIC RR
0.5 MI SO JCT GRAYS BR RD, Fairfield, CT
Built 1936 Load: 36.6 t ADT: 5,000
ROUTE 25 NB
FairOver: WHITNEY AVENUE
1.0 MI S OF ROUTE 111, Fairfield, CT
Built 1980 Load: 36.6 t ADT: 18,900
INTERSTATE-84 EB
FairOver: WOODRUFF ROAD
0.2 MI W OF W.HARTFORD TL, Hartford, CT
Built 1969 Load: 36.6 t ADT: 51,100
INTERSTATE-84 WB
FairOver: WOODRUFF ROAD
0.2 MI W OF W.HARTFORD TL, Hartford, CT
Built 1969 Load: 36.6 t ADT: 49,000
ROUTE 8 SOUTHBOUND
FairOver: NAUGATUCK RIVER & R.R.
.1 MI NORTH OF EXIT 38, Litchfield, CT
Built 1966 Load: 36.6 t ADT: 15,400
ST. PETERS LANE
FairOver: CANDLEWOOD HILL BROOK
75' S OF CANDLEWOOD RD, Middlesex, CT
Built 1963 Load: 36.6 t ADT: 816
BRIDGE STREET
FairOver: DEEP RIVER
100 FT W OF ROUTE 154, Middlesex, CT
Built 1990 Load: 36.6 t ADT: 1,276
INTERSTATE 84 EB
FairOver: PETER ROAD
.9 MILE EAST OF ROUTE 172, New Haven, CT
Built 1963 Load: 36.6 t ADT: 36,400
I-84 TR 812
FairOver: RIVERSIDE ST,NAUGATUCK R
EXIT 19, 84 WB TO 8 SB, New Haven, CT
Built 1966 Load: 36.6 t ADT: 11,700
ROUTE 40 SB
FairOver: SOUTH NEW ROAD
0.2 MI S OF ROUTE 10, New Haven, CT
Built 1976 Load: 36.6 t ADT: 11,700
Showing 1,901-1,950 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 |