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
DAVIS HILL ROAD
FairOver: SAUGATUCK RIVER
JUNCTION VALLEY FORGE RD, Fairfield, CT
Built 1980 Load: 58.3 t ADT: 620
STILL ROAD
FairOver: TUMBLE BROOK
300' WEST OF ROUTE 218, Hartford, CT
Built 1916 Load: 58.3 t ADT: 396
WEWAKA BROOK ROAD
FairOver: WEWAKA BROOK
1.85M S OF INT RTE133&867, Litchfield, CT
Built 1933 Load: 58.3 t ADT: 260
ROUTE 171
FairOver: QUINEBAUG RIVER
.3 MI W OF US ROUTE 44, Windham, CT
Built 1952 Load: 58.3 t ADT: 9,700
KENT ROAD
FairOver: NORWALK RIVER
100 FEET WEST OF ROUTE 7, Fairfield, CT
Built 1956 Load: 58.6 t ADT: 3,050
ROUTE 67
FairOver: SHEPAUG RIVER
1 MILE WEST OF ROUTE 199, Litchfield, CT
Built 1990 Load: 58.6 t ADT: 1,200
ACCESS ROAD
FairOver: THOMASTON SPILLWAY CHANN
.80 KM E CT RTE. 8, Litchfield, CT
Built 1960 Load: 58.7 t ADT: 40
US ROUTE 6
FairOver: DNBY TERM/HOUSATONIC RR
1.3 MI EAST CT NY SL, Fairfield, CT
Built 1950 Load: 58.8 t ADT: 7,100
INTERSTATE-395
FairOver: DOW ROAD
1 MI SOUTH OF ROUTE 14A, Fairfield, CT
Built 1958 Load: 59.0 t ADT: 28,600
INTERSTATE-84 WB
FairOver: BUCKLAND STREET
2.8 MI WEST OF VERNON TL, Hartford, CT
Built 1984 Load: 59.0 t ADT: 56,350
ROUTE 8 SOUTHBOUND
FairOver: NAUGATUCK RIVER & ACCESS
.64 MI NORTH OF US RTE 6, Litchfield, CT
Built 1966 Load: 59.0 t ADT: 12,000
CIDER MILL ROAD
FairOver: COGINCHAUG RIVER
235 FT E OF ROUTE 157, Middlesex, CT
Built 1933 Load: 59.0 t ADT: 1,050
ROUTE 2
FairOver: GRISWOLD STREET
.8 MI(W)OF HEBRON AVENUE, Hartford, CT
Built 1950 Load: 59.3 t ADT: 74,400
ROUTE 179
FairOver: BURLINGTON BROOK
100 FEET NORTH OF ROUTE 4, Hartford, CT
Built 1961 Load: 59.3 t ADT: 9,800
INTERSTATE-95
FairOver: RICHARDS AVENUE
0.4 M EAST OF EXIT 13, Litchfield, CT
Built 1956 Load: 59.3 t ADT: 115,900
INTERSTATE-691 EB
FairOver: GRAVEL STREET
.5 MI WEST OF EXIT 10, New Haven, CT
Built 1965 Load: 59.3 t ADT: 41,200
CROWN STREET
FairOver: CHURCH STREET TUNNEL
BETWEEN CHURCH & TEMPLE, New Haven, CT
Built 1963 Load: 59.3 t ADT: 4,500
EIGHTH STREET
FairOver: CANAL-SHETUCKET RIVER
.1 MILES EAST OF ROUTE 12, New London, CT
Built 1964 Load: 59.3 t ADT: 4,600
JEROME AVENUE
FairOver: COPPER MINE BROOK
50 FT FR JCT SHRUB ROAD, Hartford, CT
Built 1956 Load: 59.6 t ADT: 5,054
I-91 N.B. RAMPS
FairOver: WILLOW BROOK
I-91 N.B. EXIT NO. 16, New Haven, CT
Built 1964 Load: 59.6 t ADT: 4,800
I-84 RAMP 202
FairOver: BANK STREET
EB On Ramp from Meadow St, New Haven, CT
Built 1965 Load: 59.6 t ADT: 3,800
ROUTE 136
FairOver: FIVE MILE RIVER
DARIEN-NORWALK TOWN LINE, Fairfield, CT
Built 1935 Load: 59.7 t ADT: 9,400
I-84 WB OFF RAMP
FairOver: BUCKLAND STREET
I-84 WESTBOUND EXIT 60/62, Hartford, CT
Built 1984 Load: 59.8 t ADT: 8,600
INTERSTATE 84 EB
FairOver: WASHINGTON STREET
.25 MILES WEST OF EXIT 24, New Haven, CT
Built 1980 Load: 59.8 t ADT: 41,300
INTERSTATE-91
FairOver: OLIVER ROAD
0.8 MILE NORTH OF EXIT 46, Hartford, CT
Built 1960 Load: 59.9 t ADT: 99,000
INTERSTATE-95
FairOver: WEST AVENUE
2.1 MI S OF ROUTE 121, New Haven, CT
Built 1957 Load: 59.9 t ADT: 97,600
ROUTE 15 SB
FairOver: QUINNIPIAC RIVER
1 MI. NO. OF JCT RTE 150, New Haven, CT
Built 1946 Load: 59.9 t ADT: 35,800
INTERSTATE-95
FairOver: RIVER AVENUE
0.2 MI EAST OF NY LINE, Fairfield, CT
Built 1958 Load: 60.3 t ADT: 103,100
ROUTE 15
FairOver: CRICKER BROOK
210 FT N OF ROUTE 58, Fairfield, CT
Built 1940 Load: 60.3 t ADT: 59,220
ROUTE 12
FairOver: WHETSTONE BROOK
2 MI NORTH OF US ROUTE 6, Windham, CT
Built 2000 Load: 60.3 t ADT: 9,100
PARK AVENUE
FairOver: GULF STREAM
200' SOUTH OF E LAWTON ST, Litchfield, CT
Built 1960 Load: 60.5 t ADT: 284
INTERSTATE-91 SB
FairOver: STODDARD AVENUE
RT5 TO BROADWY TO ELM ST., New Haven, CT
Built 1965 Load: 60.5 t ADT: 45,400
I-84 TR 833 & RAMP
FairOver: DARLIN STREET
0.3 MI E OF FOUNDERS BRDG, Hartford, CT
Built 1963 Load: 60.6 t ADT: 8,050
ROUTE 9 SOUTHBOUND
FairOver: SAINT MARYS CEMETERY
0.6 MI N OF ROUTE 174, Hartford, CT
Built 1978 Load: 60.6 t ADT: 35,000
SUFFIELD STREET
FairOver: STONY BROOK
2600 FEET FROM AUSTIN ST., Hartford, CT
Built 2011 Load: 60.6 t ADT: 1,951
INTERSTATE-84 EB
FairOver: SUNSET AVENUE #1
.6 MI E OF SOUTHINGTON TL, Hartford, CT
Built 1965 Load: 60.8 t ADT: 41,300
ROUTE 8 SB RAMP 00
FairOver: MAIN STREET NO. 3
ROUTE 8 SB, EXIT 3, Fairfield, CT
Built 1970 Load: 60.9 t ADT: 5,300
ROUTE 2 EASTBOUND
FairOver: DARLIN STREET
0.3 MI E OF HARTFORD TL, Hartford, CT
Built 1963 Load: 61.0 t ADT: 4,900
INTERSTATE-84
FairOver: SKUNGAMAUG RIVER
0.25 MI EAST OF ROUTE 195, Tolland, CT
Built 1954 Load: 61.2 t ADT: 64,200
ROUTE 25 SB
FairOver: WHITNEY AVENUE
1.0 MI S OF ROUTE 111, Fairfield, CT
Built 1980 Load: 61.5 t ADT: 18,900
GRAYS BRIDGE ROAD
FairOver: STILL RIVER
1 MILE NE INT RTE 202, Fairfield, CT
Built 1975 Load: 61.7 t ADT: 9,600
INTERSTATE-91
FairOver: POST OFFICE ROAD
1.4 MILE SOUTH OF EXIT 47, Hartford, CT
Built 1960 Load: 61.7 t ADT: 99,000
I-91 SB & TR 813
FairOver: BEE STREET
.18 MI SO OF I-691 EB OP, New Haven, CT
Built 1965 Load: 61.7 t ADT: 22,500
US ROUTE 1
FairOver: MIANUS RIVER
0.2 MI NORTH OF ROUTE 95, Fairfield, CT
Built 1960 Load: 61.8 t ADT: 19,900
SR 500 TR 801&802
FairOver: PITKIN STREET
0.4 MI SO. OF GOVERNOR ST, Hartford, CT
Built 1964 Load: 61.8 t ADT: 10,500
ROUTE 272
FairOver: HALL MEADOW BROOK
1.24 MI N OF GOSHEN T.L., Litchfield, CT
Built 1988 Load: 61.9 t ADT: 1,100
ROUTE 15
FairOver: AMTRAK RAILROAD
600 FT SOUTH OF ROUTE 5, New Haven, CT
Built 1947 Load: 61.9 t ADT: 69,500
ROUTE 34
FairOver: DERBY CANAL
0.8 MI W OF ROUTE 8, New Haven, CT
Built 1952 Load: 61.9 t ADT: 9,600
POND LILY AVENUE
FairOver: WEST RIVER
AT JCT OF WHALLEY AV, New Haven, CT
Built 1991 Load: 62.1 t ADT: 7,300
INTERSTATE-95
FairOver: LONG WHARF DRIVE
0.5 MI N. OF ROUTE 10, New Haven, CT
Built 1958 Load: 62.2 t ADT: 125,900
Showing 2,801-2,850 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 |