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 8 SOUTHBOUND
FairOver: ECHO LAKE ROAD
1.9 MI. N OF WATERBURY TL, Litchfield, CT
Built 1964 Load: 38.6 t ADT: 14,100
INTERSTATE 84 WB
FairOver: BIOSKI ROAD
1.6 MI WEST OF ROUTE 63, New Haven, CT
Built 1964 Load: 38.6 t ADT: 36,800
INTERSTATE-395
FairOver: OIL MILL ROAD
0.7 MI S OF ROUTE 85, New London, CT
Built 1958 Load: 38.6 t ADT: 24,500
ROUTE 67
FairOver: LITTLE RIVER
1.0 MI E OF ROUTE 42, New Haven, CT
Built 1933 Load: 38.8 t ADT: 13,700
ROUTE 198
FairOver: NATCHAUG RIVER
0.6 MILE NORTH OF ROUTE 6, Windham, CT
Built 1926 Load: 38.8 t ADT: 4,200
INTERSTATE-95
FairOver: CHURCH STREET
0.5 MI N OF ROUTE 130, Fairfield, CT
Built 1958 Load: 38.9 t ADT: 96,600
ROUTE 8 SOUTHBOUND
FairOver: WELLS STREET
1.9 MI N OF I 95, Fairfield, CT
Built 1970 Load: 38.9 t ADT: 55,900
CORNELL ROAD
FairOver: ROOSTER RIVER
1 MILE SOUTH OF ROUTE 59, Fairfield, CT
Built 1933 Load: 38.9 t ADT: 5,070
U.S. ROUTE 6
FairOver: COPPER MINE BROOK
0.6 MI EAST OF ROUTE 229, Hartford, CT
Built 2002 Load: 38.9 t ADT: 19,600
ROUTE 20
FairOver: WEST BRANCH SALMON BROOK
0.2 MILE WEST OF RTE. 219, Hartford, CT
Built 1957 Load: 38.9 t ADT: 1,900
INTERSTATE-84 EB
FairOver: PARK STREET
.53 MI E OF OLIVE ST OP, Hartford, CT
Built 1969 Load: 38.9 t ADT: 68,900
BOCE BARLOW WAY
FairOver: AMTRAK & CT SOUTHERN RR
.4 MI SOUTH OF FISHFRY ST, Hartford, CT
Built 1984 Load: 38.9 t ADT: 15,700
US ROUTE 1
FairOver: HAMMONASSET RIVER
Madison\Clinton Townline, New Haven, CT
Built 1961 Load: 38.9 t ADT: 8,000
ROUTE 313
FairOver: NAUGATUCK RIVER
450 FEET EAST OF ROUTE 8, New Haven, CT
Built 1958 Load: 38.9 t ADT: 9,900
ROUTE 8 SOUTHBOUND
FairOver: STEELE BROOK
1.2 MILES NORTH OF I-84, New Haven, CT
Built 1965 Load: 38.9 t ADT: 25,900
ROUTE 8 NORTHBOUND
FairOver: BANK & S.LEONARD STREETS
.6 MI SOUTH OF INTERST 84, New Haven, CT
Built 1966 Load: 38.9 t ADT: 25,300
COURT STREET
FairOver: METRO NORTH RAILROAD
1 TENTH EAST OF STATE ST, New Haven, CT
Built 1907 Load: 38.9 t ADT: 408
FERRY STREET
FairOver: AMTRAK RAILROAD
0.03 MI E OF JCT RTE 5, New Haven, CT
Built 1912 Load: 38.9 t ADT: 13,600
US ROUTE 1A
FairOver: LAMBERTS COVE
0.4 MI E OF US ROUTE 1, New London, CT
Built 1995 Load: 38.9 t ADT: 2,700
I-84 & I-84 RAMP 2
FairOver: MASHAPAUG POND
0.2 MILE EAST OF RTE 171, Tolland, CT
Built 1940 Load: 38.9 t ADT: 51,700
HOCKANUM BOULEVARD
FairOver: HOCKANUM RIVER
0.2 MILES WEST OF RTE 83, Tolland, CT
Built 2000 Load: 38.9 t ADT: 324
ROUTE 198
FairOver: BIGELOW BROOK
.8MI SOUTH OF US ROUTE 44, Windham, CT
Built 1939 Load: 38.9 t ADT: 2,200
MIRY BROOK ROAD
FairOver: MIRY BROOK
50' EAST OF PINE MTN RD, Fairfield, CT
Built 1955 Load: 39.0 t ADT: 5,470
BRIDGE STREET
FairOver: METRO-NORTH RAILROAD
495 FT N OF ROUTE 136, Fairfield, CT
Built 1900 Load: 39.0 t ADT: 1,037
JACOBS STREET
FairOver: PEQUABUCK RIVER
0.29 MILES WEST OF RTE 69, Hartford, CT
Built 1920 Load: 39.0 t ADT: 3,560
WEST ROAD
FairOver: BLACKLEDGE RIVER
.1MI EAST OF JONES HOLLOW, Hartford, CT
Built 1968 Load: 39.0 t ADT: 2,100
SOUTH EAGLE ROAD
FairOver: PAN AM RAILROAD
200 FEET N. OF S. MAIN ST, Litchfield, CT
Built 1991 Load: 39.0 t ADT: 1,100
ROUTE 9 NORTHBOUND
FairOver: FILLEY ROAD
0.5 MI S BEAVER MEADOW RD, Middlesex, CT
Built 1966 Load: 39.0 t ADT: 15,600
ROUTE 67
FairOver: NAUGATUCK RIVER
JUST WEST OF ROUTE 313, New Haven, CT
Built 1936 Load: 39.0 t ADT: 15,600
ROUTE 85
FairOver: LATIMERS BROOK
0.9 MI N OF ROUTE 161, New London, CT
Built 1922 Load: 39.0 t ADT: 8,400
OLD COLONY ROAD
FairOver: BUNGEE BROOK
3800 FT EAST OF ROUTE 198, Windham, CT
Built 1933 Load: 39.0 t ADT: 850
CHURCH STREET
FairOver: EAST ASPETUCK RIVER
100 FEET WEST OF ROUTE 45, Litchfield, CT
Built 1986 Load: 39.1 t ADT: 135
EAST PEARL STREET
FairOver: E BRANCH NAUGATUCK RIVER
600' EAST OF MAIN STREET, Litchfield, CT
Built 1988 Load: 39.1 t ADT: 4,800
WHITFIELD STREET
FairOver: SLUICE CREEK
1 MILE SOUTH OF RTE 146, New Haven, CT
Built 1999 Load: 39.1 t ADT: 1,872
WOLF DEN DRIVE
FairOver: MASHAMOQUET BROOK
.5 MI SOUTH OF ROUTE 101, Windham, CT
Built 1900 Load: 39.1 t ADT: 118
US ROUTE 1+SR 722
FairOver: PEQUONNOCK RIVER
0.2 MI E OF ROUTE 8, Fairfield, CT
Built 1972 Load: 39.2 t ADT: 40,100
SR 597 NORTHBOUND
FairOver: CANAL ST,RAILS TO TRAILS
0.2 MI N OF ROUTE 10, Hartford, CT
Built 1963 Load: 39.2 t ADT: 4,300
ROUTE 71
FairOver: HERALD SQ,COLUMUS BL, RR
NEAR LAQUINTA INN, POLICE, Hartford, CT
Built 1971 Load: 39.2 t ADT: 12,700
U.S. ROUTE 6
FairOver: PEQUABUCK RIVER
JCT OF RT 6 & RT 72, Litchfield, CT
Built 1957 Load: 39.2 t ADT: 15,700
INTERSTATE 84 EB
FairOver: LONG MEADOW ROAD
1.3 MI E MDBRY-SOBRY TL, New Haven, CT
Built 1964 Load: 39.2 t ADT: 36,900
INTERSTATE-691 EB
FairOver: NOTCH ROAD
0.8 M E OF SOUTHINGTON, New Haven, CT
Built 1971 Load: 39.2 t ADT: 35,000
OLD GRASSY HILL RD
FairOver: WEPAWAUG RIVER
0.1 MI E OF ROUTE 121, New Haven, CT
Built 1941 Load: 39.2 t ADT: 6,400
ROUTE 10
FairOver: WILLOW BROOK
3.4 MI N OF ROUTE 40, New Haven, CT
Built 1991 Load: 39.2 t ADT: 15,300
SR 796 WESTBOUND
FairOver: WELLINGTON ROAD EXT.
2.5 MI N OF US ROUTE 1, New Haven, CT
Built 1992 Load: 39.2 t ADT: 5,800
INTERSTATE-95 SB
FairOver: COW HILL ROAD
0.8 MI SOUTH OF ROUTE 27, New London, CT
Built 1964 Load: 39.2 t ADT: 26,100
US ROUTE 1
FairOver: PEQUOTSEPOS COVE
0.1 MI N OF ROUTE 27, New London, CT
Built 1994 Load: 39.2 t ADT: 8,900
ROUTE 159
FairOver: WATER WORKS BROOK
200 FT NORTH WINDSOR TL., Hartford, CT
Built 1988 Load: 39.4 t ADT: 2,700
ROUTE 156
FairOver: BLACK HALL RIVER
2.7 MI E OF I-95, New London, CT
Built 1936 Load: 39.4 t ADT: 4,300
ROUTE 8NB & TR806
FairOver: WARREN STREET
0.2 MI OFF EXIT 27A I-95, Fairfield, CT
Built 1969 Load: 39.5 t ADT: 21,500
ROUTE 8 NORTHBOUND
FairOver: GRAND STREET
1.6 MI N OF I-95, Fairfield, CT
Built 1969 Load: 39.5 t ADT: 52,100
Showing 2,051-2,100 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 |