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
HALLADAY AVE WEST
FairOver: PHILO BROOK
120FT FR BLOSSOM ST, Hartford, CT
Built 1955 Load: 41.5 t ADT: 1,261
HILLSIDE STREET
FairOver: HOCKANUM RIVER
0.1 MILE SOUTH OF RTE. 44, Hartford, CT
Built 1991 Load: 41.5 t ADT: 12,806
BOARDMAN ROAD
FairOver: HOUSATONIC RIVER
EAST OF RTE 7 JCT, Litchfield, CT
Built 1984 Load: 41.5 t ADT: 2,300
INTERSTATE-95
FairOver: EAST RIVER
2.3 MI S OF ROUTE 79, New Haven, CT
Built 1957 Load: 41.5 t ADT: 54,500
INTERSTATE-91 NB
FairOver: AMTRAK RAILROAD
.11 MILES S OF ROUTE 22, New Haven, CT
Built 1965 Load: 41.5 t ADT: 43,200
WESTFIELD ROAD
FairOver: ABANDONED RAILROAD
210 FT E OF ROUTE 5, New Haven, CT
Built 1982 Load: 41.5 t ADT: 2,700
SR 608
FairOver: YANTIC RIVER
AT BOZRAH TL, New London, CT
Built 1926 Load: 41.5 t ADT: 900
PINNEY SCHOOL ROAD
FairOver: FURNACE BROOK
650 FT WEST OF ROUTE 19, Tolland, CT
Built 1957 Load: 41.5 t ADT: 372
INTERSTATE-395 NB
FairOver: ABANDONED RAILROAD
APPROX 1MILE SOUTH EX 100, Windham, CT
Built 1968 Load: 41.5 t ADT: 10,700
ROUTE 9 NORTHBOUND
FairOver: CEDAR LAKE ROAD
3/4MI NO OF CHESTER LINE, Middlesex, CT
Built 1966 Load: 41.6 t ADT: 15,500
US ROUTE 6 WB
FairOver: HOP RIVER
0.5 MI EAST OF RT 6&66, Tolland, CT
Built 1971 Load: 41.6 t ADT: 8,950
HANOVER ROAD
FairOver: POND BROOK
500 FT SO OF POND BRK RD, Fairfield, CT
Built 1975 Load: 41.7 t ADT: 1,300
GOLDEN HILL ROAD
FairOver: PADANARAM BROOK
125 FT W OF ROUTE 37, Fairfield, CT
Built 1987 Load: 41.7 t ADT: 8,640
SIGOURNEY STREET
FairOver: CAPITOL AVE & AMTRAK
U I-84 (BRG 3160A&B), Hartford, CT
Built 1964 Load: 41.7 t ADT: 11,900
ROUTE 112
FairOver: SALMON CREEK
.55 MI W OF US7 JCT, Litchfield, CT
Built 1930 Load: 41.7 t ADT: 2,800
US ROUTE 202
FairOver: BUTTERNUT BROOK
1 MILE NORTH OF ROUTE 209, Litchfield, CT
Built 1988 Load: 41.7 t ADT: 7,200
BULLS BRIDGE ROAD
FairOver: SPOONER DAM OVERFLOW
.3 MI WEST OF RTE 7, Litchfield, CT
Built 1991 Load: 41.7 t ADT: 506
MILLER ROAD
FairOver: COGINCHAUG RIVER
0.4 MILES EAST OF RTE 147, Middlesex, CT
Built 1936 Load: 41.7 t ADT: 864
WILCOX STREET
FairOver: SUMNER BROOK
0.2 MI E OF MILLBROOK RD, Middlesex, CT
Built 2010 Load: 41.7 t ADT: 338
NICHOLS ROAD
FairOver: MAD RIVER
0.6 MI E OF ROUTE 69, New Haven, CT
Built 1935 Load: 41.7 t ADT: 3,340
INTERSTATE-84 EB
FairOver: PARKING LOT
.57 MI EAST OF OLIVE ST, Hartford, CT
Built 1969 Load: 41.8 t ADT: 64,400
SR 503 EASTBOUND
FairOver: PARKING LOT
RAMP SISSON AVE TO I84 EB, Hartford, CT
Built 1969 Load: 41.8 t ADT: 10,000
DRAKE HILL ROAD
FairOver: FARMINGTON RIVER
110' W. OF RIVERSIDE RD, Hartford, CT
Built 1988 Load: 41.8 t ADT: 4,700
ROUTE 313
FairOver: LITTLE RIVER
200 FEET EAST OF ROUTE 67, New Haven, CT
Built 1936 Load: 41.8 t ADT: 3,000
BLAKE STREET
FairOver: WEST RIVER
2 TENTHS EAST OF ROUTE 63, New Haven, CT
Built 1995 Load: 41.8 t ADT: 7,000
INTERSTATE-395
FairOver: LEFFINGWELL ROAD
0.8 MI S OF ROUTE 82, New London, CT
Built 1958 Load: 41.8 t ADT: 54,600
ROUTE 2 WESTBOUND
FairOver: WALL STREET
0.5 MILE WEST OF ROUTE 16, New London, CT
Built 1966 Load: 41.9 t ADT: 14,400
ROUTE 110
FairOver: FARMILL RIVER
1.0 MI N OF ROUTE 15, Fairfield, CT
Built 1959 Load: 42.1 t ADT: 17,500
ROUTE 25 NB
FairOver: FAIRCHILD MEMORIAL PARK
0.7 MI S OF ROUTE 15, Fairfield, CT
Built 1971 Load: 42.1 t ADT: 21,500
NORTH MAIN STREET
FairOver: WEST BRANCH TROUT BROOK
0.3 MILE NORTH OF FERN ST, Hartford, CT
Built 1901 Load: 42.1 t ADT: 10,909
INTERSTATE-95
FairOver: RIVER RD &HAMMONASSET RV
2 MI N. OF ROUTE 79, New Haven, CT
Built 1957 Load: 42.1 t ADT: 52,200
I-84 RAMP 199
FairOver: MEADOW ST & MNRR ROADWAY
BANK ST TO I-84 WB, New Haven, CT
Built 1965 Load: 42.1 t ADT: 1,900
YORK STREET
FairOver: PARKING GARAGE
1 MILE WEST OF I-95, New Haven, CT
Built 1980 Load: 42.1 t ADT: 5,600
SSR 476
FairOver: METRO-NORTH RAILROAD
SO OF I-95 EXIT 18, Fairfield, CT
Built 1958 Load: 42.3 t ADT: 1,000
FAIRHAVEN ROAD
FairOver: PATTAGANSETT RIVER
0.3 MI E OF ROUTE 156, New London, CT
Built 1970 Load: 42.3 t ADT: 1,700
ROSELAND PARK ROAD
FairOver: MUDDY BROOK
2 MILE NORTH OF ROUTE 169, Windham, CT
Built 1930 Load: 42.3 t ADT: 1,887
INTERSTATE-95
FairOver: HANCOCK AVENUE
1.0 MI S OF ROUTE 8, Fairfield, CT
Built 1959 Load: 42.4 t ADT: 129,100
ROUTE 59
FairOver: MILL RIVER
625 FT N OF ROUTE 15, Fairfield, CT
Built 1939 Load: 42.4 t ADT: 10,800
ROUTE 133
FairOver: HOUSATONIC RIVER
BRIDGEWATER/BROOKFIELD TN, Fairfield, CT
Built 1954 Load: 42.4 t ADT: 2,800
U.S. ROUTE 7 NB
FairOver: MAPLE STREET
0.7 MILE NORTH OF I-95, Fairfield, CT
Built 1970 Load: 42.4 t ADT: 27,400
U.S. ROUTE 7 SB
FairOver: MAPLE STREET
0.7 MILE NORTH OF I-95, Fairfield, CT
Built 1970 Load: 42.4 t ADT: 27,500
INTERSTATE 84 EB
FairOver: ALPINE DRIVE
.5 MI SO OF SOUTHBURY TL, Fairfield, CT
Built 1978 Load: 42.4 t ADT: 38,500
PULASKI STREET
FairOver: WEST BRANCH RIPPOWAM RV
300' W OF WASHINGTON ST, Fairfield, CT
Built 1988 Load: 42.4 t ADT: 9,230
MAPLE AVENUE
FairOver: POLKVILLE BROOK
.20 MI EAST OF ROUTE 69, Hartford, CT
Built 1956 Load: 42.4 t ADT: 11,253
ROUTE 9 SOUTHBOUND
FairOver: EAST STREET #2
0.9 MILE SOUTH RTE 175, Hartford, CT
Built 1975 Load: 42.4 t ADT: 35,000
U.S. ROUTE 6
FairOver: PEQUABUCK RIVER
0.2 MILE WEST OF ROUTE 72, Litchfield, CT
Built 1935 Load: 42.4 t ADT: 15,700
ROUTE 8 SOUTHBOUND
FairOver: HILL STREET
0.3 MI SOUTH OF ROUTE 202, Litchfield, CT
Built 1966 Load: 42.4 t ADT: 10,400
ROUTE 8 NORTHBOUND
FairOver: KENNEDY DRIVE
AT EXIT 45, Litchfield, CT
Built 1967 Load: 42.4 t ADT: 6,600
COLLEGE HILL ROAD
FairOver: WHITING RIVER
200 S OF CANAAN VALLEY RD, Litchfield, CT
Built 1999 Load: 42.4 t ADT: 448
ROUTE 16
FairOver: SALMON RIVER
5.3 MI E OF ROUTE 66, Middlesex, CT
Built 1932 Load: 42.4 t ADT: 6,800
Showing 2,201-2,250 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 |