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 80
FairOver: ROGERS POND
0.2 MI E OF ROUTE 9, Middlesex, CT
Built 1941 Load: 21.4 t ADT: 5,700
BERLIN STREET
FairOver: P & W RAILROAD
0.3 MI W OF ROUTE 66, Middlesex, CT
Built 1936 Load: 21.4 t ADT: 167
ROUTE 42
FairOver: NAUGATUCK RIVER AND MNRR
0.4 MILE WEST OF ROUTE 8, New Haven, CT
Built 1966 Load: 21.4 t ADT: 7,100
ROUTE 66
FairOver: BLACKLEDGE RIVER
0.9 MI W HEBRON TL, Hartford, CT
Built 1927 Load: 21.7 t ADT: 8,800
ROUTE 372
FairOver: SPRUCE BROOK
.5 MI EAST OF ROUTE 15, Hartford, CT
Built 1942 Load: 21.7 t ADT: 13,000
US RTE 44 & RTE 10
FairOver: FARMINGTON RIVER
0.3 MILE WEST OF ROUTE 10, Hartford, CT
Built 1996 Load: 21.7 t ADT: 29,800
US ROUTE 7 & RTE 4
FairOver: HOUSATONIC RV,RR,LOCL RD
CORNWALL-SHARON TOWN-LINE, Litchfield, CT
Built 1930 Load: 21.7 t ADT: 3,800
COUNTY ROAD
FairOver: STILL RIVER
0.1 MI NORTH OF ROUTE 198, Windham, CT
Built 1936 Load: 21.7 t ADT: 432
BEACH PARK ROAD
FairOver: HAMMOCK RIVER
0.5 MI S. OF US ROUTE 1, Middlesex, CT
Built 1947 Load: 21.9 t ADT: 3,039
HOLLOW TREE ROAD
FairOver: METRO-NORTH RAILROAD
W. of Noroton Heights Sta, Fairfield, CT
Built 1900 Load: 22.0 t ADT: 2,700
NEW PARK AVENUE
FairOver: TROUT BROOK
0.2 MILE NORTH OF SR 529, Hartford, CT
Built 1966 Load: 22.0 t ADT: 17,907
ROUTE 72
FairOver: CRONK RD, PAN AM,PEQ. R.
APPR .5 MI WEST OF RTE 10, Hartford, CT
Built 1980 Load: 22.0 t ADT: 54,800
ROUTE 128
FairOver: HOUSATONIC RIVER
.05MI E OF US ROUTE 7 JCT, Litchfield, CT
Built 1841 Load: 22.0 t ADT: 1,500
WEST MOUNTAIN ROAD
FairOver: SPRAIN BROOK
OFF NETTLETOWN HOLLOW RD, Litchfield, CT
Built 1994 Load: 22.0 t ADT: 20
UNION STREET
FairOver: DEEP RIVER
350 FT N OF ROUTE 80, Middlesex, CT
Built 1930 Load: 22.0 t ADT: 1,600
ROUTE 142
FairOver: FARM RIVER
.75 MI EAST OF ROUTE 704, New Haven, CT
Built 1942 Load: 22.0 t ADT: 4,500
INTERSTATE-395
FairOver: HUNTS BROOK
1.6 MI N OF ROUTE 85, New London, CT
Built 1957 Load: 22.0 t ADT: 30,700
NORTHWEST DRIVE
FairOver: PEQUABUCK RIVER
0.5 MI WEST OF ROUTE 10, Hartford, CT
Built 1983 Load: 22.4 t ADT: 7,100
RIVER ROAD
FairOver: HAMMONASSET RIVER
0.1 MI S OF NOD ROAD, New Haven, CT
Built 1935 Load: 22.4 t ADT: 2,833
ROUTE 207
FairOver: MINT BROOK
.23MI E OF JCT RTE 85, Tolland, CT
Built 1945 Load: 22.4 t ADT: 2,400
ROUTE 8 NORTHBOUND
FairOver: PEQUONNOCK RV & TRAIL
4.1 MI N OF I-95, Fairfield, CT
Built 1971 Load: 22.7 t ADT: 28,000
INTERSTATE-84 EB
FairOver: AMTRAK;LOCAL RDS;PARKING
EASTBOUND, Hartford, CT
Built 1965 Load: 22.7 t ADT: 74,400
INTERSTATE-84 EB
FairOver: HAMILTON STREET
0.5 MILE EAST OF EXIT 45, Hartford, CT
Built 1967 Load: 22.7 t ADT: 68,900
OLD TURNPIKE ROAD
FairOver: FENTON BROOK
0.2 MILE WEST OF U.S. 44, Tolland, CT
Built 1970 Load: 22.7 t ADT: 64
US ROUTE 6 WB
FairOver: NEW ENGLAND CENTRAL RR
1 MI EAST OF COVENTRY TL, Windham, CT
Built 1971 Load: 22.7 t ADT: 8,950
NORTH ROAD
FairOver: FIVE MILE RIVER
100' EAST OF STONE ROAD, Windham, CT
Built 1991 Load: 22.7 t ADT: 417
ROUTE 185
FairOver: FARMINGTON RIVER
0.18 MILES EAST OF RTE 10, Hartford, CT
Built 1954 Load: 23.0 t ADT: 16,100
BRICKYARD ROAD
FairOver: MENUNKETESUCK RIVER
400' N OF FAIRY DELL ROAD, Middlesex, CT
Built 1934 Load: 23.0 t ADT: 919
SR 736 - BUCKINGHA
FairOver: GULF POND
0.4 MI E OF ROUTE 162, New Haven, CT
Built 1951 Load: 23.0 t ADT: 5,300
HORTON HILL RD.
FairOver: MARKS BROOK
.13 mi. north of Route 63, New Haven, CT
Built 1940 Load: 23.0 t ADT: 2,700
RI 78 WEST BY-PASS
FairOver: PAWCATUCK RIVER
0.41 miles from Rte 2, New London, CT
Built 1974 Load: 23.0 t ADT: 13,100
ROUTE 156
FairOver: NIANTIC RIVER & LOCAL RD
.80 MI E OF JCT ROUTE 161, New London, CT
Built 1991 Load: 23.0 t ADT: 6,700
ROUTE 31
FairOver: SKUNGAMAUG RIVER
1 MILE SOUTH OF ROUTE 44, Tolland, CT
Built 1923 Load: 23.0 t ADT: 6,000
INTERSTATE-95
FairOver: SURF AVENUE
0.2 MI N OF ROUTE 113, Fairfield, CT
Built 1959 Load: 23.3 t ADT: 93,800
ROUTE 8 RAMP 26
FairOver: HULL AVE & RIVERDALE AVE
RT 8,EXT 14 (JCT RTE 110), Fairfield, CT
Built 1990 Load: 23.3 t ADT: 8,100
ROUTE 8 SOUTHBOUND
FairOver: PEQUONNOCK RIVER & TRAIL
1.8 MI S OF ROUTE 15, Fairfield, CT
Built 1971 Load: 23.3 t ADT: 28,600
INTERSTATE-291
FairOver: CONNECTICUT RIV & PRV RD
1.03 MI E OF I-91 JNCT, Hartford, CT
Built 1958 Load: 23.3 t ADT: 66,100
ROUTE 219
FairOver: FARMINGTON RIVER
0.1 MILE NORTH OF RTE. 44, Litchfield, CT
Built 1959 Load: 23.3 t ADT: 4,200
SR 649
FairOver: BROOK
1.5 MI W OF US ROUTE 1, New London, CT
Built 1966 Load: 23.3 t ADT: 2,600
INTERSTATE 84 WEST
FairOver: HRRC & BOULEVARD ROAD
1.6 MI WEST OF SR 816, Fairfield, CT
Built 1962 Load: 23.7 t ADT: 38,400
BYRAM ROAD
FairOver: METRO-NORTH RAILROAD
0.3 MI N I-95 EXIT NO. 2, Fairfield, CT
Built 1892 Load: 23.7 t ADT: 8,800
US ROUTE 5
FairOver: FRESHWATER BROOK
500 FT SOUTH OF RTE 220, Hartford, CT
Built 1934 Load: 23.7 t ADT: 12,100
ROUTE 75
FairOver: STONY BROOK
0.8 MI SOUTH OF ROUTE 168, Hartford, CT
Built 1956 Load: 23.7 t ADT: 8,100
US ROUTE 44
FairOver: SPRUCE BROOK
50' EAST OF ROUTE 219, Litchfield, CT
Built 1941 Load: 23.7 t ADT: 10,700
INTERSTATE-91 NB
FairOver: MATTABESSET RIVER
475 FT S OF ROUTE 372, Middlesex, CT
Built 1965 Load: 23.7 t ADT: 55,300
US ROUTE 7
FairOver: NORWALK RIVER
200' NORTH TOPSTONE ROAD, Fairfield, CT
Built 1957 Load: 24.0 t ADT: 15,500
MILL HILL ROAD
FairOver: METRO NORTH RAILROAD
100 FT N OF US TE 1, Fairfield, CT
Built 1982 Load: 24.0 t ADT: 4,200
INTERSTATE-91 SB
FairOver: MIDDLETOWN AVENUE
0.49 MI N OF SB OP RTE 99, Hartford, CT
Built 1964 Load: 24.0 t ADT: 71,900
INTERSTATE-84 WB
FairOver: AMTRAK;LOCAL RDS;PARKING
0.8 MI N OF JCT SR 504 SB, Hartford, CT
Built 1965 Load: 24.0 t ADT: 76,800
INTERSTATE 91 NB
FairOver: KENEY PARK RD& MEADOW BK
0.3 MILE NORTH OF EXIT 34, Hartford, CT
Built 1988 Load: 24.0 t ADT: 67,000
Showing 1,101-1,150 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 |