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
INTERSTATE-95
UnknownOver: US ROUTE 1
AT I-95 EXIT NO. 55, Fairfield, CT
Built 2020 ADT: 14,800
INTERSTATE-95 SB
UnknownOver: INTERSTATE-395 NB
1.3MI N OF ROUTE 161, Fairfield, CT
Built 1958 ADT: 12,400
INTERSTATE-395
UnknownOver: MOOSUP RIVER & ROUTE 14
2.4 MI NORTH OF ROUTE 14A, Fairfield, CT
Built 1958 ADT: 10,000
SR 724
UnknownOver: US 1 AND METRO NORTH
0.6 MI W OF I-95, Fairfield, CT
Built 1960 ADT: 11,600
ROUTE 94
UnknownOver: ROUTE 17
0.13 MI WEST OF RTE 2 EB, Fairfield, CT
Built 1950 ADT: 19,000
ROUTE 2 WESTBOUND
UnknownOver: ROUTE 149
ROUTE 2 EXIT NO 16, Fairfield, CT
Built 1959 ADT: 4,400
I-84 WB & RAMP 17
UnknownOver: US ROUTES 6 AND 202
AT THE I-84,ROUTE 7 SPLIT, Fairfield, CT
Built 1962 ADT: 17,400
I-84 EB & US ROUTE
UnknownOver: US ROUTES 6 AND 202
I-84 WB EXIT 4, Fairfield, CT
Built 1962 ADT: 17,400
US ROUTE 6 WB
UnknownOver: INTERSTATE-84
75' EAST OF DANBURY TL, Fairfield, CT
Built 1962 ADT: 72,600
HOUSATONIC RR
UnknownOver: US ROUTE 6
RT-6 0.4 MI WEST OF I-84, Fairfield, CT
Built 2003 ADT: 14,700
SR 816
UnknownOver: I-84 & I-84 RAMP 026
I-84 EXIT 10, Fairfield, CT
Built 1962 ADT: 72,600
ROUTE 15 NB
UnknownOver: SR 719
ROUTE 15 EXIT NO. 40, Fairfield, CT
Built 1938 ADT: 14,100
ROUTE 15 SB
UnknownOver: SR 719
Route 15, Exit 40, Fairfield, CT
Built 1938 ADT: 14,100
US ROUTE 7 SB
UnknownOver: I - 84 RAMP 802
.3 MI SOUTH OF I84, Fairfield, CT
Built 1962 ADT: 6,800
I-84 TR 802
UnknownOver: INTERSTATE 84 EB
EXIT 3, ROUTES 7 & 84, Fairfield, CT
Built 1962 ADT: 33,600
US ROUTE 7 SB
UnknownOver: INTERSTATE 84 EB
EXIT 3 INTERSTATE 84 EB, Fairfield, CT
Built 1960 ADT: 33,600
INTERSTATE 84 WB
UnknownOver: US ROUTE 7 NORTHBOUND
JCT US 7NB AND I-84 WB, Fairfield, CT
Built 1960 ADT: 19,400
I-84 TR 803
UnknownOver: I-84 WB,RT 7 NB,BEAVER B
US RT 7 SB TO I-84 EB, Fairfield, CT
Built 1960 ADT: 19,400
US ROUTE 7 NB
UnknownOver: SR 805 (FEDERAL ROAD)
NB US ROUTE 7 OVER SR 805, Fairfield, CT
Built 1962 ADT: 22,100
US ROUTE 7 SB
UnknownOver: SR 805 (FEDERAL ROAD)
0.5 MI SOUTH EXIT 11, Fairfield, CT
Built 1962 ADT: 22,100
PROSPECT AVENUE
UnknownOver: ROUTE 8
0.1 MI S OF ROUTE 110, Fairfield, CT
Built 1950 ADT: 64,200
CORAM AVENUE
UnknownOver: ROUTE 8
300 FT S OF ROUTE 110, Fairfield, CT
Built 1950 ADT: 64,200
ROUTE 8
UnknownOver: HOUSATONIC RIVER, RT 110
ROUTE 8, EXIT 14, Fairfield, CT
Built 1951 ADT: 9,800
ROUND HILL ROAD
UnknownOver: ROUTE 15
ROUTE 15 EXIT NO. 28, Fairfield, CT
Built 1935 ADT: 57,920
LAKE AVENUE
UnknownOver: ROUTE 15
4.8 MI S OF ROUTE 104, Fairfield, CT
Built 1940 ADT: 58,300
NORTH STREET
UnknownOver: ROUTE 15
At Route 15, Exit 31, Fairfield, CT
Built 1937 ADT: 62,720
STANWICH ROAD
UnknownOver: ROUTE 15
7.5 MI EAST OF STATE LINE, Fairfield, CT
Built 1936 ADT: 62,900
GUINEA ROAD
UnknownOver: ROUTE 15
1.4 MI S OF ROUTE 104, Fairfield, CT
Built 1937 ADT: 65,120
RIVER BANK ROAD
UnknownOver: ROUTE 15
0.9 MI S OF ROUTE 104, Fairfield, CT
Built 1937 ADT: 65,120
ROUTE 15
UnknownOver: ROUTE 104
1.2 MI S OF ROUTE 137, Fairfield, CT
Built 1936 ADT: 16,800
WIRE MILL ROAD
UnknownOver: ROUTE 15
0.4 MI NORTH OF ROUTE 104, Fairfield, CT
Built 1938 ADT: 73,120
ROUTE 15
UnknownOver: ROUTE 137
ROUTE 15 EXIT 35, Fairfield, CT
Built 1937 ADT: 18,400
NEWFIELD AVENUE
UnknownOver: ROUTE 15
1.2 MI S OF ROUTE 106, Fairfield, CT
Built 1937 ADT: 74,420
PONUS RIDGE ROAD
UnknownOver: ROUTE 15
1.0 MI S OF ROUTE 106, Fairfield, CT
Built 1937 ADT: 70,200
ROUTE 15
UnknownOver: ROUTE 106
ROUTE 15 EXIT NO. 36, Fairfield, CT
Built 1937 ADT: 11,200
ROUTE 124
UnknownOver: ROUTE 15
EXIT 37 ROUTE 15, Fairfield, CT
Built 1937 ADT: 72,920
WHITE OAK SHADE RD
UnknownOver: ROUTE 15
OVER ROUTE 15, Fairfield, CT
Built 1938 ADT: 72,920
ROUTE 15
UnknownOver: ROUTE 123
ROUTE 15 EXIT NO. 38, Fairfield, CT
Built 1937 ADT: 12,800
COMSTOCK HILL AVEN
UnknownOver: ROUTE 15
0.8 MI S OF US ROUTE 7, Fairfield, CT
Built 1938 ADT: 77,620
WEST ROCKS ROAD
UnknownOver: ROUTE 15
RTE 15 UNDER WEST ROCK RD, Fairfield, CT
Built 1938 ADT: 56,400
EAST ROCKS ROAD
UnknownOver: ROUTE 15
1.54 MI SO OF WESTPORT TL, Fairfield, CT
Built 1938 ADT: 56,400
GRUMMAN AVENUE
UnknownOver: ROUTE 15
1.39 MILES NORTH OF US 7, Fairfield, CT
Built 1938 ADT: 56,400
ROUTE 15
UnknownOver: ROUTE 53
1.1 MI S OF ROUTE 33, Fairfield, CT
Built 1937 ADT: 3,900
NEWTOWN TURNPIKE
UnknownOver: ROUTE 15
0.4 MI S OF ROUTE 33, Fairfield, CT
Built 1939 ADT: 59,320
CLINTON AVENUE
UnknownOver: ROUTE 15
RT 15 BETWEEN EXITS 41&42, Fairfield, CT
Built 1940 ADT: 68,420
ROUTE 15
UnknownOver: ROUTE 57
ROUTE 15 EXIT 42, Fairfield, CT
Built 1938 ADT: 16,900
ROUTE 15
UnknownOver: ROUTE 136
1.8 MI WEST TOWN LINE, Fairfield, CT
Built 1938 ADT: 7,100
NORTH AVENUE #1
UnknownOver: ROUTE 15
1.1 MI W OF TOWN LINE, Fairfield, CT
Built 1939 ADT: 657,000
MERWINS LANE
UnknownOver: ROUTE 15
3 MILES EAST OF EXIT 42, Fairfield, CT
Built 1940 ADT: 66,420
REDDING ROAD
UnknownOver: ROUTE 15
1 MI EAST OF WESTPORT TL, Fairfield, CT
Built 1939 ADT: 66,420
Showing 51-100 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 |