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: FARM RIVER
0.1 MI S OF ROUTE 142, New Haven, CT
Built 1938 Load: 42.4 t ADT: 25,500
ROUTE 34
FairOver: METRO NORTH RAILROAD
0.1 MI E OF ROUTE 8, New Haven, CT
Built 1951 Load: 42.4 t ADT: 42,300
ROUTE 69
FairOver: MAD RIVER
0.7 MI S OF ROUTE 322, New Haven, CT
Built 1935 Load: 42.4 t ADT: 10,400
ROUTE 156
FairOver: AMTRAK RAILROAD
1.2 MI E OF I-95, New London, CT
Built 1961 Load: 42.4 t ADT: 5,400
DARLING ROAD
FairOver: EIGHT MILE RIVER
1.9 MI W OF ROUTE 156, New London, CT
Built 1935 Load: 42.4 t ADT: 836
SSR 437
FairOver: NE CENTRAL RR & DRIVEWAY
0.3 MI E OF ROUTE 32, New London, CT
Built 1990 Load: 42.4 t ADT: 350
PLAINS ROAD
FairOver: SHETUCKET RIVER
0.6 MILE EAST OF ROUTE 32, Windham, CT
Built 1947 Load: 42.4 t ADT: 1,600
HIGH STREET
FairOver: P & W RAILROAD
0.3 MI N OF ROUTE 66, Middlesex, CT
Built 1982 Load: 42.5 t ADT: 3,166
US ROUTE 1
FairOver: MENUNKETESUCK RIVER
1.8 MI S OF ROUTE 153, Middlesex, CT
Built 2003 Load: 42.6 t ADT: 6,700
ROUTE 67
FairOver: LITTLE RIVER
1.1 MI E OF ROUTE 42, New Haven, CT
Built 1933 Load: 42.6 t ADT: 13,700
MAIN STREET
FairOver: QUANDUCK BROOK
500FT NORTH OF RIVER ROAD, Windham, CT
Built 1939 Load: 42.6 t ADT: 607
US ROUTE 1
FairOver: NORWALK RIVER
0.2 MI N OF US ROUTE 7, Fairfield, CT
Built 1958 Load: 42.8 t ADT: 12,700
US RTE 7 SB TR 811
FairOver: PERRY AVENUE
ROUTE 15 NB EXIT NO. 39A, Fairfield, CT
Built 1990 Load: 42.8 t ADT: 5,400
ROUTE 2 WESTBOUND
FairOver: BLACKLEDGE RIVER
0.7 MI W OF COLCHESTER TL, Hartford, CT
Built 1959 Load: 42.8 t ADT: 17,850
INTERSTATE-95
FairOver: INDIAN LAKE
0.2 MI N OF ROUTE 81, Middlesex, CT
Built 1957 Load: 42.8 t ADT: 60,600
ROUTE 9 SOUTHBOUND
FairOver: CANDLEWOOD HILL RD & BRK
0.5 MI W. OF ROUTE 154, Middlesex, CT
Built 1965 Load: 42.8 t ADT: 17,300
INTERSTATE 95
FairOver: INDIAN RIVER
0.5 MI S OF US ROUTE 1, New Haven, CT
Built 1958 Load: 42.8 t ADT: 107,800
INTERSTATE-691 WB
FairOver: NOTCH ROAD
0.85 MI EAST OF RT 322, New Haven, CT
Built 1971 Load: 42.8 t ADT: 35,000
ROUTE 40 NB
FairOver: AMTRAK RAILROAD
0.1 MI S OF US ROUTE 5, New Haven, CT
Built 1971 Load: 42.8 t ADT: 22,000
HILL TOP ROAD
FairOver: SOUTH BRIDE BROOK ROAD
W. OF ARCADIA ROAD, New London, CT
Built 1962 Load: 42.8 t ADT: 108
STUDIO ROAD
FairOver: RIPPOWAM RIVER
700' FROM WIRE MILL ROAD, Fairfield, CT
Built 2005 Load: 42.9 t ADT: 62
ROUTE 67
FairOver: LITTLE RIVER
3.3 MILES WEST OF ROUTE 8, New Haven, CT
Built 1933 Load: 42.9 t ADT: 14,800
HORSEPOND ROAD
FairOver: AMTRAK RAILROAD
100 FT S OF NEW ROAD, New Haven, CT
Built 1998 Load: 43.0 t ADT: 3,100
INTERSTATE 691 EAS
FairOver: SOUTH END ROAD
1 MI EAST OF RTE 10, Hartford, CT
Built 1984 Load: 43.1 t ADT: 2,800
ROUTE 22
FairOver: FARM RIVER
0.7 MI E OF ROUTE 17, New Haven, CT
Built 1935 Load: 43.1 t ADT: 12,200
I-91 RAMP 139
FairOver: NO NOTABLE FEATURE
I91SB ON RAMP (WILLOW ST), New Haven, CT
Built 1965 Load: 43.1 t ADT: 6,000
ROUTE 8 SOUTHBOUND
FairOver: NICHOLS DRIVE
1.1 MILE SOUTH OF EXIT 30, New Haven, CT
Built 1965 Load: 43.1 t ADT: 27,600
SOUTH LEONARD ST
FairOver: NAUGATUCK RIVER
0.1 MI WEST OF SO MAIN ST, New Haven, CT
Built 1956 Load: 43.1 t ADT: 950
ROUTE 162
FairOver: OYSTER RIVER
370 FT W OF SR 705, New Haven, CT
Built 1987 Load: 43.1 t ADT: 8,700
WALNUT STREET
FairOver: AMTRAK & CENTRAL NE RR
500' EAST OF EDWARD ST, Hartford, CT
Built 1907 Load: 43.3 t ADT: 9,900
INTERSTATE-95
FairOver: CANAL STREET
BETWEEN EXITS 7&8, Fairfield, CT
Built 1958 Load: 43.4 t ADT: 94,100
INTERSTATE-95
FairOver: UNQUOWA ROAD
0.5 MI S OF ROUTE 135, Fairfield, CT
Built 1958 Load: 43.4 t ADT: 120,600
US ROUTE 1
FairOver: SASCO BROOK
WESTPORT FAIRFIELD TL, Fairfield, CT
Built 1927 Load: 43.4 t ADT: 18,300
ROUTE 25 NB
FairOver: PEQUONNOCK RIVER
0.7 MI S OF ROUTE 111, Fairfield, CT
Built 1979 Load: 43.4 t ADT: 19,300
INTERSTATE-291 EB
FairOver: MAIN STREET
0.3 MILE WEST OF EXIT 4, Hartford, CT
Built 1992 Load: 43.4 t ADT: 31,300
I-84 RAMP 114
FairOver: AETNA PARKING LOT
EB RAMP FROM SIGOURNEY ST, Hartford, CT
Built 1965 Load: 43.4 t ADT: 8,000
INTERSTATE-91 NB
FairOver: CAPEN STREET
0.6 MILE MORTH OF RTE 178, Hartford, CT
Built 1990 Load: 43.4 t ADT: 74,450
US ROUTE 7
FairOver: BULLS CANAL
0.25 MI S OF BULLS BR RD, Litchfield, CT
Built 1930 Load: 43.4 t ADT: 2,300
WALNUT HILL RD #2
FairOver: NORTHFIELD BROOK
200' EAST OF ROUTE 254, Litchfield, CT
Built 1946 Load: 43.4 t ADT: 30
INTERSTATE-91 SB
FairOver: MATTABESSET RIVER
0.1 MI S OF ROUTE 372, Middlesex, CT
Built 1965 Load: 43.4 t ADT: 53,400
MIDDLEFIELD STREET
FairOver: COGINCHAUG RIVER
0.1 MI. W OF ROUTE 157, Middlesex, CT
Built 1900 Load: 43.4 t ADT: 1,622
SR 724 EASTBOUND
FairOver: BREWERY STREET
250FT SOUTH OF US 1, New Haven, CT
Built 1960 Load: 43.4 t ADT: 47,375
INTERSTATE-91 SB
FairOver: CSX RAILROAD
2.3 MI N OF ROUTE 17, New Haven, CT
Built 1965 Load: 43.4 t ADT: 54,700
INTERSTATE-395
FairOver: MAPLE AVENUE
0.3 MI S OF ROUTE 163, New London, CT
Built 1958 Load: 43.4 t ADT: 49,500
I-91 SB & I-91 TR
FairOver: CONNECTICUT SOUTHERN RR
I-91 SB EXIT 29A, Hartford, CT
Built 1958 Load: 43.5 t ADT: 39,700
CEDAR LANE
FairOver: BAKERSVILLE BROOK
AT JCT OF CEDAR & RT 202, Litchfield, CT
Built 1999 Load: 43.5 t ADT: 1,462
OLD CREAMERY ROAD
FairOver: STILL RIVER
200' EAST OF OLD FORGE RD, Litchfield, CT
Built 1930 Load: 43.5 t ADT: 338
SHIPYARD ROAD
FairOver: MINE BROOK
0.3 MI S OF ROUTE 151, Middlesex, CT
Built 1941 Load: 43.5 t ADT: 42
ROUTE 166
FairOver: AMTRAK RAILROAD
0.2 MI WEST OF US ROUTE 1, Middlesex, CT
Built 1933 Load: 43.5 t ADT: 12,500
YORK STREET
FairOver: WEST RIVER
50 FT E OF US ROUTE 1, New Haven, CT
Built 1993 Load: 43.5 t ADT: 262
Showing 2,251-2,300 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 |