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
US ROUTE 1
FairOver: NECK RIVER
1.6 MI S OF ROUTE 79, New Haven, CT
Built 1914 Load: 32.7 t ADT: 10,100
US ROUTE 5
FairOver: HARBOR BROOK
0.3 MI N OF I-691, New Haven, CT
Built 1892 Load: 32.7 t ADT: 16,744
SR 847
FairOver: MAD RIVER
200 FT N OF WASHINGTON ST, New Haven, CT
Built 1935 Load: 32.7 t ADT: 7,300
ROUTE 15
FairOver: WESTFIELD ROAD
2 MI SOUTH OF BERLIN TL, New Haven, CT
Built 1946 Load: 32.7 t ADT: 24,600
ROUTE 22
FairOver: MUNGER BROOK
0.3 MI E OF ROUTE 80, New Haven, CT
Built 1928 Load: 32.7 t ADT: 6,400
ROUTE 34
FairOver: FOUR MILE BROOK
100 FT W OF ROUTE 188, New Haven, CT
Built 1930 Load: 32.7 t ADT: 11,100
ROUTE 67
FairOver: BLADENS RIVER
50 YD N OF WASHINGTON AVE, New Haven, CT
Built 1936 Load: 32.7 t ADT: 18,300
SR 846
FairOver: NAUGATUCK RIVER
0.1 MILE NORTH OF SR 847, New Haven, CT
Built 1922 Load: 32.7 t ADT: 20,300
ROUTE 80
FairOver: BRANFORD RIVER
0.1 MI E OF ROUTE 139, New Haven, CT
Built 1930 Load: 32.7 t ADT: 16,300
ROUTE 162
FairOver: WEPAWAUG RIVER
1.3 MI E OF US ROUTE 1, New Haven, CT
Built 1889 Load: 32.7 t ADT: 14,300
SR 745 (FIRST AVE)
FairOver: METRO NORTH RAILROAD
0.2 MI E OF I-95, New Haven, CT
Built 1900 Load: 32.7 t ADT: 9,300
ROUTE 100(MAIN ST)
FairOver: FARM RIVER
0.1 MI WEST OF US ROUTE 1, New Haven, CT
Built 1900 Load: 32.7 t ADT: 5,500
ROUTE 63
FairOver: BEACON HILL BROOK
0.9 MI NORTH OF ROUTE 42, New Haven, CT
Built 1966 Load: 32.7 t ADT: 8,900
SOUTH COLONY ST
FairOver: HARBOR BROOK
JCT(S) COLONY &PERKINS ST, New Haven, CT
Built 1900 Load: 32.7 t ADT: 2,700
EAST MAIN STREET
FairOver: MAD RIVER
0.5 MILE EAST OF ROUTE 69, New Haven, CT
Built 1943 Load: 32.7 t ADT: 10,100
PINE ORCHARD ROAD
FairOver: BRANFORD RIVER
0.1 MI E OF ROUTE 146, New Haven, CT
Built 1960 Load: 32.7 t ADT: 7,100
EDGEWOOD AVENUE
FairOver: WEST RIVER & PARK ROAD
0.5 MI WEST OF RTE 10, New Haven, CT
Built 1910 Load: 32.7 t ADT: 3,100
CLIFTON ST
FairOver: AMTRAK RAILROAD
OVER AMTRAK, New Haven, CT
Built 1912 Load: 32.7 t ADT: 1,930
WHITNEY AVENUE
FairOver: FARMINGTON CANAL GREENWA
100' NORTH OF CHURCH ST, New Haven, CT
Built 1885 Load: 32.7 t ADT: 4,400
PROSPECT STREET
FairOver: FARMINGTON CANAL GREENWA
AT JCT WITH TRUMBULL ST, New Haven, CT
Built 1929 Load: 32.7 t ADT: 4,600
JOHN STREET
FairOver: AMTRAK RAILROAD
OFF ROUTE 5, New Haven, CT
Built 1964 Load: 32.7 t ADT: 2,505
BRIDGE STREET
FairOver: AMTRAK RAILROAD
200' N OF WEST END AVENUE, New Haven, CT
Built 1917 Load: 32.7 t ADT: 284
WINTERGREEN AVENUE
FairOver: TOWN FARM BROOK
.1 WEST OF WILMONT AVENUE, New Haven, CT
Built 1890 Load: 32.7 t ADT: 2,800
COE AVENUE
FairOver: HARBOR BROOK
AT JCT OF BRADLEY AVENUE, New Haven, CT
Built 1955 Load: 32.7 t ADT: 3,000
OCEAN AVENUE #1
FairOver: COVE RIVER
2.2 MI EAST OF ROUTE 162, New Haven, CT
Built 1935 Load: 32.7 t ADT: 7,100
WASHINGTON AVE. #3
FairOver: MAD RIVER
0.1 MILE WEST OF SR 847, New Haven, CT
Built 1906 Load: 32.7 t ADT: 6,000
BOYDEN STREET
FairOver: HANCOCK BROOK
300 FT. EAST OF SR 847, New Haven, CT
Built 1930 Load: 32.7 t ADT: 2,300
SOUTH BROOKSVALE R
FairOver: WILLOW BROOK
0.8 MI W OF ROUTE 10, New Haven, CT
Built 1960 Load: 32.7 t ADT: 1,350
MILL STREET
FairOver: HARBOR BROOK
300 FT W OF PRATT STREET, New Haven, CT
Built 1930 Load: 32.7 t ADT: 808
CEDAR STREET
FairOver: HARBOR BROOK
0.2 MI N OF PRATT STREET, New Haven, CT
Built 1910 Load: 32.7 t ADT: 792
CONCORD DRIVE
FairOver: BROOK
0.4 M S OF HEATHERWOOD RD, New Haven, CT
Built 1978 Load: 32.7 t ADT: 214
CONCORD DRIVE
FairOver: BROOK
0.3 MI S HEATHERWOOD RD, New Haven, CT
Built 1978 Load: 32.7 t ADT: 209
TOMMY'S PATH
FairOver: GULF BROOK
0.3 MI EAST OF ROUTE 22, New Haven, CT
Built 1979 Load: 32.7 t ADT: 241
UNIVERSAL DR NORTH
FairOver: MUDDY RIVER
0.1 MI S SACKETT PT RD, New Haven, CT
Built 1960 Load: 32.7 t ADT: 14,364
FOREST STREET
FairOver: TUTTLE BROOK
1 MI EAST OF BURR STREET, New Haven, CT
Built 1978 Load: 32.7 t ADT: 136
ORANGE STREET #1
FairOver: MILL RIVER
.1 MI SOUTH FARNUM DRIVE, New Haven, CT
Built 1950 Load: 32.7 t ADT: 2,800
EAST RAMSDELL ST
FairOver: WEST RIVER
1 TENTH NORTH OF ROUTE 63, New Haven, CT
Built 1951 Load: 32.7 t ADT: 4,326
WILMOT ROAD
FairOver: TOWN FARM BROOK
.1 MI N WINTERGREEN AVE, New Haven, CT
Built 1951 Load: 32.7 t ADT: 1,382
ELM STREET
FairOver: LONG MEADOW POND BROOK
.1 MI SOUTH OF RUBBER AVE, New Haven, CT
Built 1955 Load: 32.7 t ADT: 1,825
ANDRASKO ROAD
FairOver: BEACON HILL BROOK
500 FT E OF ROUTE 8, New Haven, CT
Built 1950 Load: 32.7 t ADT: 269
PRUDDEN LANE
FairOver: WEPAWAUG RIVER
0.2 MI W OF ROUTE 121, New Haven, CT
Built 1965 Load: 32.7 t ADT: 936
WALNUT STREET
FairOver: WEPAWAUG RIVER
250 FT W OF ROUTE 121, New Haven, CT
Built 1965 Load: 32.7 t ADT: 980
HUNTINGDON AVENUE
FairOver: STEELE BROOK
TOMPKINS ST INTERSECTION, New Haven, CT
Built 1935 Load: 32.7 t ADT: 4,100
STATE STREET NORTH
FairOver: UNION STATION PUMP HOUSE
BETWEEN US1 & FAIR STREET, New Haven, CT
Built 1968 Load: 32.7 t ADT: 2,100
SHADDUCK ROAD
FairOver: HOP BROOK
0.3 MI S OF ROUTE 188, New Haven, CT
Built 1986 Load: 32.7 t ADT: 754
ROUTE 67
FairOver: LITTLE RIVER
1.3 MILES WEST OF ROUTE 8, New Haven, CT
Built 1987 Load: 32.7 t ADT: 16,900
MUNSON ROAD
FairOver: SCOVILLE RESERVOIR
0.4 MI E OF ROUTE 69, New Haven, CT
Built 1986 Load: 32.7 t ADT: 2,394
CEDARWOOD DRIVE
FairOver: MEETINGHOUSE BROOK
150' W. OF S. CURTIS ST., New Haven, CT
Built 1970 Load: 32.7 t ADT: 789
WARPAS ROAD
FairOver: NECK RIVER
0.2 MI N GREEN HILL RD, New Haven, CT
Built 1987 Load: 32.7 t ADT: 1,086
ROUTE 70
FairOver: TEN MILE RIVER
1.7 MI EAST OF I-84, New Haven, CT
Built 1989 Load: 32.7 t ADT: 15,000
Showing 1,651-1,700 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 |