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
SOUTH STREET
FairOver: LITTLE JACKS BROOK
250' SOUTH OF HIGH BR RD, Litchfield, CT
Built 1930 Load: 24.0 t ADT: 898
FERRY STREET
FairOver: QUINNIPIAC RIVER
1.2 MI SOUTH JCT I-91 NB, New Haven, CT
Built 1940 Load: 24.0 t ADT: 5,500
U.S. ROUTE 44
FairOver: SKUNGAMAUG RIVER
1MI EAST OF RT 31 MAIN ST, Tolland, CT
Built 1928 Load: 24.0 t ADT: 8,300
I-84 & U.S. 44
FairOver: CONNECTICUT SOUTHERN RR
0.1 MILE WEST OF CT RIVER, Hartford, CT
Built 1961 Load: 24.3 t ADT: 102,900
KIRBY BROOK ROAD
FairOver: KIRBY BROOK
0.2 MI W OF ROUTE 199, Litchfield, CT
Built 1956 Load: 24.3 t ADT: 20
ROUTE 17
FairOver: LONG HILL BROOK
1.3 MI. N OF ROUTE 155, Middlesex, CT
Built 1958 Load: 24.3 t ADT: 13,800
ROUTE 17 SB
FairOver: EAST MAIN STREET
0.1 MI SOUTH OF EXIT 10, Middlesex, CT
Built 1949 Load: 24.3 t ADT: 6,800
ROUTE 67
FairOver: LITTLE RIVER
0.3 MI WEST OF ROUTE 8, New Haven, CT
Built 1950 Load: 24.3 t ADT: 17,200
OREGON ROAD
FairOver: QUINNIPIAC RIVER
ADJACENT TO ROUTE 70, New Haven, CT
Built 1963 Load: 24.3 t ADT: 5,700
US ROUTE 6 EB
FairOver: ABANDONED RAILROAD
0.1 MI E OF COLUMBIA T.L., Tolland, CT
Built 1971 Load: 24.3 t ADT: 8,950
ROUTE 10
FairOver: SALMON BROOK
0.7 MILE NORTH OF RTE. 20, Hartford, CT
Built 1942 Load: 24.4 t ADT: 7,800
LOVERS LANE
FairOver: LOVERS LANE BROOK
0.2 MILE SOUTH OF ROUTE 4, Litchfield, CT
Built 1935 Load: 24.5 t ADT: 765
ROUTE 2
FairOver: MAPLE STREET
AT EXIT 5 C, Hartford, CT
Built 1951 Load: 24.6 t ADT: 60,500
ROUTE 132
FairOver: WEEKEEPEEMEE RIVER
1.5 MILES NO OF ROUTE 147, Litchfield, CT
Built 1934 Load: 24.6 t ADT: 1,800
ROUTE 12
FairOver: SHETUCKET RIVER
AT ROUTE 2 OVERLAP, New London, CT
Built 1954 Load: 24.6 t ADT: 14,600
INTERSTATE-95
FairOver: NORWALK RV,HENDRICKS AVE
BETWEEN EXITS 15 & 16, Fairfield, CT
Built 1957 Load: 24.9 t ADT: 128,600
INTERSTATE-95
FairOver: MOFFIT STREET
0.7 MI N OF ROUTE 113, Fairfield, CT
Built 1959 Load: 24.9 t ADT: 101,700
ROUTE 33
FairOver: NORWALK RIVER & MNRR
RT 7 & RT 33 @ RR STA, Fairfield, CT
Built 1940 Load: 24.9 t ADT: 12,100
ROUTE 25 NORTHBOUN
FairOver: PEQUONNOCK RIVER
0.7 MI NORTH OF ROUTE 15, Fairfield, CT
Built 1980 Load: 24.9 t ADT: 20,400
ROUTE 2 WESTBOUND
FairOver: QUARRY ROAD
.5 MILE WEST UP ROUTE 83, Hartford, CT
Built 1961 Load: 24.9 t ADT: 22,700
SIGOURNEY STREET
FairOver: CENTRAL NEW ENGLAND RR
0.3 MI S OF US ROUTE 44, Hartford, CT
Built 1912 Load: 24.9 t ADT: 7,600
US ROUTE 44
FairOver: FARMINGTON RIVER
0.2 MI. WEST OF CANTON TL, Litchfield, CT
Built 1958 Load: 24.9 t ADT: 10,200
SR 727
FairOver: NAUGATUCK RIVER & MNRR
0.2 MI W OF RT 115, New Haven, CT
Built 1960 Load: 24.9 t ADT: 7,800
BANK STREET
FairOver: NAUGATUCK RIVER
200 FT SOUTH W.LIBERTY ST, New Haven, CT
Built 1956 Load: 24.9 t ADT: 7,800
COMSTOCK BRIDGE RD
FairOver: DICKERSON CREEK
0.8 MI N OF ROUTE 16, New London, CT
Built 1978 Load: 25.1 t ADT: 520
ROUTE 2 WESTBOUND
FairOver: WEST ROAD
2 MILES WEST OF ROUTE 66, Hartford, CT
Built 1966 Load: 25.3 t ADT: 21,000
DUGAN ROAD
FairOver: KENT FALLS BROOK
0.5 MI E JUNC CARTER ROAD, Litchfield, CT
Built 1954 Load: 25.3 t ADT: 54
TWIN BRIDGE ROAD
FairOver: IRON STREAM
1.0 MI S OF ROUTE 80, New Haven, CT
Built 1900 Load: 25.3 t ADT: 258
ROUTE 14
FairOver: QUINNEBAUG RIVER
0.4 MI E OF ROUTE 169, Windham, CT
Built 1951 Load: 25.3 t ADT: 5,900
INTERSTATE-395 NB
FairOver: WILSONVILLE ROAD
.35 MI NORTH OF ROUTE 200, Windham, CT
Built 1967 Load: 25.3 t ADT: 10,200
INTERSTATE-395 SB
FairOver: WILSONVILLE ROAD
3.5 MI NORTH OF ROUTE 200, Windham, CT
Built 1967 Load: 25.3 t ADT: 9,500
NORTH BIGELOW ROAD
FairOver: LITTLE RIVER
650 FEET NORTH OLD RTE 6, Windham, CT
Built 1946 Load: 25.3 t ADT: 320
ROUTE 14A
FairOver: MOOSUP RIVER
2 MILES EAST OF ROUTE 49, Windham, CT
Built 1925 Load: 25.5 t ADT: 2,000
I-95 RAMP 093
FairOver: KOSSUTH STREET
I-95 SB ON-RAMP EXIT 28, Fairfield, CT
Built 2006 Load: 25.6 t ADT: 4,400
ROUTE 10
FairOver: WEST BRANCH SALMON BROOK
0.8 MI SOUTH OF ROUTE 20, Hartford, CT
Built 1935 Load: 25.6 t ADT: 10,000
POWDER MILL ROAD
FairOver: NEPAUG RIVER
0.3MI N OF TOWN BRIDGE RD, Hartford, CT
Built 2000 Load: 25.6 t ADT: 70
ROUTE 30
FairOver: HOCKANUM RIVER
100' WEST OF ROUTE 83, Hartford, CT
Built 1981 Load: 25.6 t ADT: 30,100
ROUTE 263
FairOver: HIGHLAND LAKE OUTLET
0.3 MI. WEST OF ROUTE 44, Litchfield, CT
Built 1957 Load: 25.6 t ADT: 2,200
ROUTE 8 SOUTHBOUND
FairOver: PAN AM SO. RR SPUR LINE
BETWEEN EXITS 35 & 36, New Haven, CT
Built 1964 Load: 25.6 t ADT: 27,050
HAMMOND HILL ROAD
FairOver: LITTLE RIVER
0.5 MILES NORTH OF RTE 97, Windham, CT
Built 1941 Load: 25.6 t ADT: 204
CHURCH HILL ROAD #
FairOver: ASPETUCK RIVER
.5 MI E OF ROUTE 58, Fairfield, CT
Built 1957 Load: 25.9 t ADT: 2,070
INTERSTATE-384 WB
FairOver: BIRCH MOUNTAIN BROOK
0.1 MILE WEST OF EXIT 4, Hartford, CT
Built 1970 Load: 25.9 t ADT: 19,350
ROUTE 309
FairOver: STRATTON BROOK
0.3 MILE WEST OF RTE. 167, Hartford, CT
Built 1992 Load: 25.9 t ADT: 3,800
ROUTE 218
FairOver: BEAMANS BROOK
1.4 MILES W OF ROUTE 187, Hartford, CT
Built 1992 Load: 25.9 t ADT: 22,700
US ROUTE 6
FairOver: PEQUABUCK RIVER
2000FT WEST OF RTE 10 INT, Hartford, CT
Built 1993 Load: 25.9 t ADT: 22,900
WAHNEE ROAD
FairOver: E BRANCH NAUGATUCK RIVER
.1 MI WEST OF NEWFIELD RD, Litchfield, CT
Built 1987 Load: 25.9 t ADT: 686
CHAPEL STREET
FairOver: METRO NORTH
100 FT EAST OF STATE ST., New Haven, CT
Built 1994 Load: 25.9 t ADT: 7,700
ROUTE 2A
FairOver: NECRR, P&WRR & THAMES RV
1.0 MILE EAST OF JCT 32, New London, CT
Built 1967 Load: 25.9 t ADT: 21,200
ROUTE 97
FairOver: ABANDONED CANAL
.1 MI NORTH OF ROUTE 207, New London, CT
Built 1967 Load: 25.9 t ADT: 2,400
NOTCH ROAD
FairOver: DEP TRAIL ABANDONED RR
25' SOUTH OF RTE 6 & 44, Tolland, CT
Built 1951 Load: 25.9 t ADT: 1,254
Showing 1,151-1,200 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 |