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-691
FairOver: COLONY STREET
0.6 MI WEST OF ROUTE 5, New Haven, CT
Built 1971 Load: 27.9 t ADT: 72,400
RIVER ROAD #2
FairOver: MILL RIVER
0.4 MI E OF ROUTE 10, New Haven, CT
Built 1939 Load: 27.9 t ADT: 717
INTERSTATE-691 EB
FairOver: TEN MILE RIVER
7.5 MI W OF INTERSTATE-91, New Haven, CT
Built 1986 Load: 27.9 t ADT: 28,500
ROUTE 97
FairOver: SHETUCKET RIVER
AT INTERSECTION OF RT 207, New London, CT
Built 1941 Load: 27.9 t ADT: 2,400
ROUTE 188
FairOver: LONG SWAMP BROOK
0.4 MI S OF I-84, New Haven, CT
Built 1944 Load: 28.0 t ADT: 3,200
ROUTE 184
FairOver: GREAT BROOK
1.5 MI EAST JCT ROUTE 121, New London, CT
Built 1945 Load: 28.1 t ADT: 12,900
ROUTE 32
FairOver: OBWEBETUCK BROOK
1 MI NORTH OF RTE 203, Windham, CT
Built 1940 Load: 28.1 t ADT: 8,900
INTERSTATE-95
FairOver: KINGS HWY-GOODWIVES RV
0.4 MI S OF ROUTE 136, Fairfield, CT
Built 1952 Load: 28.2 t ADT: 129,600
ROUTE 108
FairOver: MEANS BROOK
3.5 MI S OF ROUTE 110, Fairfield, CT
Built 1925 Load: 28.2 t ADT: 16,400
ROUTE 17
FairOver: HOLLAND BROOK
1.05 N OF RT 160 WATER ST, Hartford, CT
Built 1939 Load: 28.2 t ADT: 14,700
CLIMAX ROAD
FairOver: NOD BROOK
150 FT EAST OF ROUTE 167, Hartford, CT
Built 1942 Load: 28.2 t ADT: 2,922
UNION STREET
FairOver: HOCKANUM RIVER
0.3 MI N OF NORTH MAIN ST, Hartford, CT
Built 1989 Load: 28.2 t ADT: 5,200
ROUTE 8 NORTHBOUND
FairOver: NAUGATUCK RIVER & RR
1.0 MI N OF CAMPVILLE RD, Litchfield, CT
Built 1960 Load: 28.2 t ADT: 12,600
US ROUTE 202
FairOver: EAST ASPETUCK RIVER
2.06MI E OF ROUTE 109 JCT, Litchfield, CT
Built 1931 Load: 28.2 t ADT: 8,000
US ROUTE 44
FairOver: WACHOCASTINOOK CREEK
DOWNTOWN SALISBURY, Litchfield, CT
Built 1951 Load: 28.2 t ADT: 7,100
ROUTE 8 NORTHBOUND
FairOver: PINEWOODS ROAD
AT EXIT 46, Litchfield, CT
Built 1967 Load: 28.2 t ADT: 5,800
ROUTE 9 SOUTHBOUND
FairOver: FILLEY ROAD
1/2 MI SO BEAVERMEADOW RD, Middlesex, CT
Built 1967 Load: 28.2 t ADT: 15,500
ROUTE 79
FairOver: AMTRAK RAILROAD
0.3 MI N OF US ROUTE 1, New Haven, CT
Built 1957 Load: 28.2 t ADT: 13,400
ROUTE 2
FairOver: MCCLELLAN AVENUE
1 MI EAST OF I-395, New London, CT
Built 1959 Load: 28.2 t ADT: 22,400
CHENEY MILL ROAD
FairOver: BIGELOW BROOK
150 FT SO OF WESTFORD RD, Windham, CT
Built 1937 Load: 28.4 t ADT: 6
ROUTE 25 SB
FairOver: PEQUONNOCK RIVER
0.7 MI NORTH OF ROUTE 15, Fairfield, CT
Built 1980 Load: 28.5 t ADT: 21,100
US ROUTE 7
FairOver: BROAD STREET
0.3 MI N OF ROUTE 123, Fairfield, CT
Built 1990 Load: 28.5 t ADT: 37,900
ROUTE 159
FairOver: AMTRAK RAILROAD
.44 MI NORTH WINDSOR TL, Hartford, CT
Built 1974 Load: 28.5 t ADT: 3,600
ROUTE 20
FairOver: STILL RIVER
1.1 MI FROM WINCHESTER TL, Litchfield, CT
Built 1953 Load: 28.5 t ADT: 1,600
US ROUTE 1 & PW RR
FairOver: QUINNIPIAC RIVER
0.2 MI S OF I-95 Q-BRIDGE, New Haven, CT
Built 2002 Load: 28.5 t ADT: 12,400
ROUTE 64
FairOver: HOP BROOK
1.5 MI E OF ROUTE 188, New Haven, CT
Built 1928 Load: 28.5 t ADT: 10,000
INTERSTATE 84 WB
FairOver: SANDY HILL ROAD
2.0 MI W OF RT 63, New Haven, CT
Built 1964 Load: 28.5 t ADT: 36,800
HAMDEN HILLS DRIVE
FairOver: SHEPARD BROOK & RR TRAIL
300 FT W OF GLEN RIDGE RD, New Haven, CT
Built 1991 Load: 28.5 t ADT: 5,690
ROUTE 101
FairOver: MASHAMOQUET BROOK
.3 MI WEST OF RTE 169, Windham, CT
Built 1929 Load: 28.5 t ADT: 7,100
ROUTE 136
FairOver: NORWALK RIVER
I-95 EXIT 16 TO RT 136 WB, Fairfield, CT
Built 1972 Load: 28.8 t ADT: 17,900
US ROUTE 1
FairOver: METRO NORTH RAILROAD
NEAR EXIT 23 - ROUTE 95, Fairfield, CT
Built 1938 Load: 28.8 t ADT: 9,700
INTERSTATE-84 EB
FairOver: AMTRAK RR & LOCAL ROADS
.86 W OF EXIT TO I-91 SB, Hartford, CT
Built 1966 Load: 28.8 t ADT: 83,900
ROUTE 47
FairOver: BEE BROOK
1.1 MI SOUTH OF ROUTE 202, Litchfield, CT
Built 1959 Load: 28.8 t ADT: 1,900
LOWER BARRACK ROAD
FairOver: FLAT BROOK
WEST OF MUSIC MTN ROAD, Litchfield, CT
Built 1956 Load: 28.8 t ADT: 31
INTERSTATE-84 WB
FairOver: SHADDUCK ROAD
0.4 MI W OF ROUTE 188, New Haven, CT
Built 1964 Load: 28.8 t ADT: 35,300
INTERSTATE-691
FairOver: CENTER STREET
0.4 MI W OF US ROUTE 5, New Haven, CT
Built 1971 Load: 28.8 t ADT: 75,500
HERITAGE ROAD
FairOver: POMPERAUG RIVER
.5 MI WEST OF ROUTE 6, New Haven, CT
Built 1971 Load: 28.8 t ADT: 4,300
INTERSTATE-691 WB
FairOver: TEN MILE RIVER
7.5 MI W OF INTERSTATE-91, New Haven, CT
Built 1986 Load: 28.8 t ADT: 28,500
ROUTE 67
FairOver: LITTLE RIVER
1.3 MI WEST OF ROUTE 8, New Haven, CT
Built 1926 Load: 28.8 t ADT: 14,600
ROUTE 12
FairOver: PROV & WORC RAILROAD
.1 MI SOUTH OF ROUTE 2, New London, CT
Built 1955 Load: 28.8 t ADT: 14,600
ROUTE 169
FairOver: SHETUCKET RIVER
50 YDS E OF RTS 169&97JCT, New London, CT
Built 1938 Load: 28.8 t ADT: 2,000
SO ANGUILLA ROAD
FairOver: ANGUILLA BROOK
900 FT SOUTH OF ROUTE 234, New London, CT
Built 1940 Load: 28.8 t ADT: 539
DAY HILL ROAD
FairOver: ROARING BROOK
0.3 MI N OF ROUTE 148, New London, CT
Built 1989 Load: 28.8 t ADT: 335
FREDERICK STREET
FairOver: COPPER MINE BROOK
50' FROM JCT CURTISS AVE, Hartford, CT
Built 2015 Load: 29.2 t ADT: 2,700
ROUTE 140
FairOver: CONNECTICUT RIVER
0.1 MI E OF ROUTE 159, Hartford, CT
Built 1992 Load: 29.2 t ADT: 14,400
ROUTE 159
FairOver: DECKER'S BROOK
0.1 MILE NORTH OF RTE 291, Hartford, CT
Built 1993 Load: 29.2 t ADT: 12,700
U.S. ROUTE 6
FairOver: SCOTT SWAMP BROOK
0.1 MI.EAST OF ROUTE 177, Hartford, CT
Built 1992 Load: 29.2 t ADT: 14,400
ROUTE 10
FairOver: QUINNIPIAC RIVER
0.5 MI N OF ROUTE 322, Hartford, CT
Built 1994 Load: 29.2 t ADT: 9,800
ROUTE 16
FairOver: POCOTOPAUG CREEK
425 FT E OF ROUTE 196, Middlesex, CT
Built 1939 Load: 29.2 t ADT: 6,300
ROUTE 82
FairOver: EIGHT MILE RIVER
0.6 MI E OF ROUTE 156, Middlesex, CT
Built 1925 Load: 29.2 t ADT: 3,300
Showing 1,251-1,300 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 |