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
WOLFORDS HILL ROAD
FairOver: SANDY BROOK
JCT RT 183 & WOLFORD HILL, Litchfield, CT
Built 2005 Load: 55.7 t ADT: 133
OLD TURNPIKE ROAD
FairOver: TEN MILE RIVER
500 FT N OF ROUTE 322, Hartford, CT
Built 1954 Load: 56.0 t ADT: 6,334
US ROUTE 1
FairOver: OYSTER RIVER
0.1 MI S OF ROUTE 154, Middlesex, CT
Built 1971 Load: 56.0 t ADT: 13,800
ROUTE 272
FairOver: SPILLWAY
1.2 MI SOUTH OF GOSHEN TL, Litchfield, CT
Built 1961 Load: 56.1 t ADT: 1,100
INTERSTATE-95
FairOver: SCHOOL HOUSE ROAD
0.5 MI N OF ROUTE 166, Middlesex, CT
Built 1957 Load: 56.1 t ADT: 48,000
ROUTE 4
FairOver: FARMINGTON RIVER
INT OF RTE 4 & RIVER RD., Hartford, CT
Built 1958 Load: 56.2 t ADT: 12,300
ROUTE 8 NORTHBOUND
FairOver: HARWINTON AVENUE
0.4 MI N. OF HARWINTON TL, Litchfield, CT
Built 1966 Load: 56.2 t ADT: 12,400
INTERSTATE-691 WB
FairOver: GRAVEL STREET
.31 EAST OF EXIT ROUTE 5, New Haven, CT
Built 1965 Load: 56.2 t ADT: 41,200
EAST MAIN STREET
FairOver: HARBOR BROOK
190 FT E OF STATE ST, New Haven, CT
Built 1960 Load: 56.2 t ADT: 8,700
INTERSTATE-84
FairOver: NEW ENGLAND CENTRAL RR
0.74 MI FROM TOLLAND TL, Tolland, CT
Built 1953 Load: 56.3 t ADT: 58,100
INTERSTATE 84 EB
FairOver: POOTATUCK RIVER
.5 MILE BEFORE EXIT 11, Fairfield, CT
Built 1973 Load: 56.4 t ADT: 41,200
COLD SPRING ROAD
FairOver: RIPPOWAM RIVER
0.4 MI W OF ROUTE 137, Fairfield, CT
Built 1935 Load: 56.4 t ADT: 7,470
ROUTE 175
FairOver: PIPER BROOK
.42MI E OF NEW BRITAIN TL, Hartford, CT
Built 1980 Load: 56.4 t ADT: 29,700
ROUTE 8 NB
FairOver: RAMP FROM LOWER DERBY RD
.8M S OF ENT 21 ROUTE 8NB, New Haven, CT
Built 1961 Load: 56.4 t ADT: 52,800
INTERSTATE 84 WB
FairOver: WASHINGTON STREET
.25 MILES WEST OF EXIT 24, New Haven, CT
Built 1980 Load: 56.4 t ADT: 46,700
ROUTE 9
FairOver: CTFASTRAK BUSWAY
1.32 MI N OF JCT ROUTE 72, Hartford, CT
Built 1985 Load: 56.5 t ADT: 73,800
ROUTE 262
FairOver: NAUGATUCK RIVER
0.2 MILE EAST OF ROUTE 8, Litchfield, CT
Built 1988 Load: 56.5 t ADT: 5,600
INTERSTATE-95
FairOver: MAPLE LANE
0.4 MI S OF SASCO CRK RD, Fairfield, CT
Built 1958 Load: 56.7 t ADT: 110,400
US ROUTE 7 SB
FairOver: UNION PARK SOUTH
ADJ INTERSECT W- ROUTE 1, Fairfield, CT
Built 1970 Load: 56.7 t ADT: 27,500
ORCHARD ROAD
FairOver: BELCHER BROOK
0.5 MI W OF US ROUTE 15, Hartford, CT
Built 1974 Load: 56.7 t ADT: 1,200
INTERSTATE 691 WES
FairOver: BEE STREET
0.2 MI WEST OF I-91, New Haven, CT
Built 1965 Load: 56.7 t ADT: 20,700
ROUTE 89
FairOver: MOUNT HOPE RIVER
2.1 MI SOUTH OF ROUTE 44, Windham, CT
Built 1939 Load: 56.7 t ADT: 1,600
INTERSTATE-91 NB
FairOver: AMTRAK RAILROAD
AT EXIT 34, Hartford, CT
Built 1988 Load: 57.0 t ADT: 66,700
MACEDONIA BROOK RD
FairOver: MACEDONIA BROOK
.55 MILES N. OF ROUTE 341, Litchfield, CT
Built 1948 Load: 57.0 t ADT: 318
INTERSTATE-91 NB
FairOver: WILLOW STREET
150 FT W OF US RT 5, New Haven, CT
Built 1965 Load: 57.0 t ADT: 67,300
INTERSTATE 95
FairOver: WORDIN AVENUE NO. 2
0.7 MI S OF ROUTE 8, Fairfield, CT
Built 1959 Load: 57.1 t ADT: 125,000
US ROUTE 7 SB
FairOver: STILL RIVER
NEAR EXIT 7,INTERSTATE-84, Fairfield, CT
Built 1976 Load: 57.1 t ADT: 20,800
MALTBY STREET
FairOver: COPPER MINE BROOK
.2 MI WEST OF STAFFORD AV, Hartford, CT
Built 1979 Load: 57.1 t ADT: 8,277
INTERSTATE-91 NB
FairOver: WESTON STREET
0.2 MILE SOUTH OF EXIT 34, Hartford, CT
Built 1990 Load: 57.1 t ADT: 70,800
ROUTE 2
FairOver: MAIN STREET
0.1 MI WEST OF EXIT 5A WB, Hartford, CT
Built 1962 Load: 57.2 t ADT: 67,100
INTERSTATE-91 NB
FairOver: HUMPHREY STREET
1.1 MI N OF I-95, New Haven, CT
Built 1965 Load: 57.2 t ADT: 68,800
US ROUTE 44
FairOver: BIGELOW BROOK
.8 MI WEST OF RTE 198, Windham, CT
Built 1929 Load: 57.2 t ADT: 7,500
INTERSTATE 691 EAS
FairOver: QUINNIPIAC RIVER
50 FT EAST OF CHESHIRE TL, Hartford, CT
Built 1984 Load: 57.3 t ADT: 30,800
INTERSTATE 691 WES
FairOver: QUINNIPIAC RIVER
50 FT EAST OF CHESHIRE TL, Hartford, CT
Built 1984 Load: 57.3 t ADT: 28,000
ROUTE 9 NORTHBOUND
FairOver: KELSEY HILL ROAD
1.1 MI S OF ROUTE 80, Middlesex, CT
Built 1967 Load: 57.3 t ADT: 17,000
INTERSTATE-91 SB
FairOver: HUMPHREY STREET
1.1 MI N OF I-95, New Haven, CT
Built 1965 Load: 57.3 t ADT: 69,000
INTERSTATE-91 NB
FairOver: POND HILL ROAD
INTERSTATE-91 EXIT NO. 13, New Haven, CT
Built 1965 Load: 57.3 t ADT: 41,800
MIDDLETOWN AVENUE
FairOver: QUINNIPIAC RIVER
100' NORTH OF FRONT ST, New Haven, CT
Built 1989 Load: 57.3 t ADT: 13,545
ROUTE 101
FairOver: QUINEBAUG RIVER
AT KILLINGLY TOWN LINE, Windham, CT
Built 1957 Load: 57.3 t ADT: 9,100
INTERSTATE 95
FairOver: ARCH STREET
ROUTE I 95 EXIT 3, Hartford, CT
Built 1958 Load: 57.4 t ADT: 101,800
ROUTE 15
FairOver: BAYBERRY LANE #1
0.4 MI WEST OF TOWN LINE, Fairfield, CT
Built 1939 Load: 57.5 t ADT: 66,420
M L KING JR DRIVE
FairOver: METRO-NORTH RAILROAD
1.4 MI N OF ROUTE 136, Fairfield, CT
Built 1972 Load: 57.5 t ADT: 11,600
KROL ROAD
FairOver: ELLIS BROOK
200 FT SOUTH OF RT 190, Tolland, CT
Built 1991 Load: 57.6 t ADT: 23
I-95 RAMP 093
FairOver: NICHOLS STREET
ON RAMP TO I-95 SOUTH, Fairfield, CT
Built 1959 Load: 57.7 t ADT: 4,400
ROUTE 8 NORTHBOUND
FairOver: WELLS STREET
1.9 MI N OF I-95, Fairfield, CT
Built 1970 Load: 57.7 t ADT: 53,700
INTERSTATE-91 SB
FairOver: AMTRAK RAILROAD
.68 MILES N OF ROUTE 22, New Haven, CT
Built 1965 Load: 57.7 t ADT: 39,900
INTERSTATE-95
FairOver: HOWARD AVENUE
0.8 MI S OF ROUTE 8, Fairfield, CT
Built 1959 Load: 58.0 t ADT: 129,100
ROUTE 72
FairOver: POLAND RIVER
0.1 MI NO. OF PLYMOUTH TL, Litchfield, CT
Built 1927 Load: 58.0 t ADT: 2,000
ROUTE 34
FairOver: WEST RIVER
0.2 MI W OF ROUTE 10, New Haven, CT
Built 1925 Load: 58.0 t ADT: 22,100
US ROUTE 44
FairOver: STILL RIVER
AT INTERSECTION OF RT 198, Windham, CT
Built 1991 Load: 58.0 t ADT: 6,100
Showing 2,751-2,800 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 |