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
I-91 NB ON RAMP
UnknownOver: ROUTE 159
EXIT 34 NB ON RAMP, Hartford, CT
Built 1989 ADT: 14,000
DAY HILL ROAD WB
UnknownOver: ROUTE 75
0.4 MI WEST OF I-91, Hartford, CT
Built 1989 ADT: 14,500
PIGEON HILL ROAD
UnknownOver: INTERSTATE 91
0.75 MI. NO. OF ROUTE 305, Hartford, CT
Built 1989 ADT: 137,100
HIGH STREET
UnknownOver: INTERSTATE 84 & RAMPS
SO END OF BR CHAPEL ST SO, Hartford, CT
Built 1988 ADT: 165,900
I-91 TR 841
UnknownOver: I-91 RAMP 186
I-91 SB EXIT 32A TO 84 WB, Hartford, CT
Built 1990 ADT: 5,700
INTERSTATE-91 NB
UnknownOver: US5, RTE 15 & I-91 TR861
.54 MI NO OF SR 530, Hartford, CT
Built 1990 ADT: 56,900
I-84/91 TR841/858
UnknownOver: U.S. 44 WB & MARKET ST
RAMPS FROM 91 NB&SB TO 84, Hartford, CT
Built 1990 ADT: 8,900
I-91 RAMPS 101&103
UnknownOver: INTERSTATE-91
EXIT 44 SB ON & OFF RAMPS, Hartford, CT
Built 1989 ADT: 109,600
INTERSTATE-91 SB
UnknownOver: ROUTE 178 (PARK AVENUE)
AT EXIT 36, Hartford, CT
Built 1991 ADT: 10,900
INTERSTATE-91 NB
UnknownOver: ROUTE 178 (PARK AVENUE)
AT EXIT 36, Hartford, CT
Built 1990 ADT: 10,900
BINA AVENUE
UnknownOver: I-91 & HOV LANES
.18 MI NORTH WINDSOR TL, Hartford, CT
Built 1990 ADT: 147,800
ROUTE 15 NORTHBOUN
UnknownOver: I-91 NB,RT 2,CT RIVER,RR
0.3 MI NORTH OF I-91 NB, Hartford, CT
Built 1991 ADT: 45,350
ROUTE 15 SOUTHBOUN
UnknownOver: I-91 NB,RT 2,CT RIVER,RR
0.3 MI NORTH OF I-91 NB, Hartford, CT
Built 1991 ADT: 74,600
INTERSTATE-91 SB
UnknownOver: SR 510 (MAIN STREET)
0.4 MI N WINDSOR LOCKS TL, Hartford, CT
Built 1959 ADT: 3,600
INTERSTATE-91 NB
UnknownOver: SR 510 (MAIN STREET)
0.4 MI N WINDSOR LOCKS TL, Hartford, CT
Built 1959 ADT: 3,600
INTERSTATE-91 NB
UnknownOver: ROUTE 75 (POQUONOCK AVE)
4.7 MILES NORTH OF HARTFD, Hartford, CT
Built 1991 ADT: 19,700
ROUTE 15 NB
UnknownOver: ROUTE 5 (MAIN STREET)
1.6 MILES N OF HTFD TWNLN, Hartford, CT
Built 1991 ADT: 17,400
RTE 15 SB & RAMP
UnknownOver: US ROUTE 5 (MAIN STREET)
.6 MILE E OF HARTFORD TL, Hartford, CT
Built 1991 ADT: 21,000
ROUTE 305
UnknownOver: INTERSTATE-91 SOUTHBOUND
AT EXIT 37, Hartford, CT
Built 1990 ADT: 62,700
ROUTE 305
UnknownOver: INTERSTATE-91 NORTHBOUND
AT EXIT 37, Hartford, CT
Built 1990 ADT: 65,000
ANN UCCELLO STREET
UnknownOver: INTERSTATE-84 & RAMPS
.24 MI W OF O-PASS RTE 44, Hartford, CT
Built 1991 ADT: 160,300
US ROUTE 44 WB
UnknownOver: I-91 NB, C-D RDWY & RAMP
AT WEST END BULKELEY BRG, Hartford, CT
Built 1960 ADT: 12,900
US ROUTE 44 EB
UnknownOver: I-91 NB,I-91 COL,SW RDWY
ACCESS 84EB FROM MORGANST, Hartford, CT
Built 1960 ADT: 14,100
US ROUTE 5 TR 804
UnknownOver: ROUTE 2 WESTBOUND
EB EXIT FROM CHARTER OAK, Hartford, CT
Built 1991 ADT: 36,250
CONN. SOUTHERN RR
UnknownOver: U.S. ROUTE 5
.2 MILES N OF U.S. 44, Hartford, CT
Built 1991 ADT: 12,400
ROUTE 71 (HARTFORD
UnknownOver: ROUTE 9
.2MI SOUTH FARMINGTON TL, Hartford, CT
Built 1991 ADT: 42,300
INTERSTATE-91 SB
UnknownOver: ROUTE 75 (POQUONOCK AVE)
OVER ROUTE 75, Hartford, CT
Built 1991 ADT: 19,700
KENNEDY ROAD
UnknownOver: INTERSTATE-91
1.4 MILES N OF ROUTE 75, Hartford, CT
Built 1992 ADT: 123,500
ROUTE 20 WESTBOUND
UnknownOver: INTERSTATE-91
I-91 NB EXIT 40, Hartford, CT
Built 1992 ADT: 88,000
INTERSTATE-91 SB
UnknownOver: ROUTE 20 EASTBOUND
AT EXIT 40, Hartford, CT
Built 1992 ADT: 15,650
INTERSTATE-91 NB
UnknownOver: ROUTE 20 EASTBOUND
0.3 MILE NORTH OF EXIT 40, Hartford, CT
Built 1992 ADT: 11,800
SOUTH CENTER ST
UnknownOver: INTERSTATE-91
2.6 MI NORTH OF ROUTE 75, Hartford, CT
Built 1992 ADT: 99,900
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 175 (CEDAR STREET)
ROUTE 9 EXIT NO. 29, Hartford, CT
Built 1991 ADT: 27,500
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 175 (CEDAR STREET)
ROUTE 9 EXIT NO. 29, Hartford, CT
Built 1991 ADT: 27,500
ROUTE 9 SOUTHBOUND
UnknownOver: SR 505 {ELLA GRASSO BLD}
0.4 MI N OF ROUTE 175, Hartford, CT
Built 1991 ADT: 15,200
ROUTE 9 NORTHBOUND
UnknownOver: SR 505 {ELLA GRASSO BLD}
0.4 MI N OF ROUTE 175, Hartford, CT
Built 1991 ADT: 15,200
ROUTE 2 WESTBOUND
UnknownOver: EAST RIVER DRIVE
.3 MILE WEST OF MAIN ST, Hartford, CT
Built 1992 ADT: 4,600
ROUTE 2 EASTBOUND
UnknownOver: EAST RIVER DRIVE
.3 MILE WEST OF MAIN ST, Hartford, CT
Built 1992 ADT: 4,600
I-91 SB RAMP 204
UnknownOver: I-91 SB TR 855
0.2 MI S OF ROUTE 218, Hartford, CT
Built 1990 ADT: 13,200
I-91 TR 854 & 855
UnknownOver: INTERSTATE-291 RAMP 001
0.1 MILE WEST OF I-91, Hartford, CT
Built 1992 ADT: 8,700
MATIANUCK AVENUE
UnknownOver: I-291 RAMPS 001 & 002
100 FEET SOUTH OF RTE 218, Hartford, CT
Built 1991 ADT: 7,400
INTERSTATE-291
UnknownOver: I-91 & BRIARWOOD DRIVE
0.2 MILES WEST OF RTE 159, Hartford, CT
Built 1992 ADT: 1,700
ROUTE 218
UnknownOver: INTERSTATE-91 SOUTHBOUND
0.5 MI W OF ROUTE 159, Hartford, CT
Built 1990 ADT: 74,150
ROUTE 218
UnknownOver: INTERSTATE 91 NORTHBOUND
3.7 MILES NORTH OF I-84, Hartford, CT
Built 1990 ADT: 57,300
INTERSTATE-291 TR
UnknownOver: ROUTE 218 & BRIARWOOD DR
RAMP FROM 291 WB TO 91 NB, Hartford, CT
Built 1993 ADT: 16,200
INTERSTATE-291
UnknownOver: ROUTE 159 & DEERFIELD RD
0.25 MILE WEST OF I-91, Hartford, CT
Built 1992 ADT: 11,000
INTERSTATE-291 WB
UnknownOver: ROUTE 5 & CT SOUTHERN RR
2.75 MILES EAST OF I-91, Hartford, CT
Built 1993 ADT: 23,400
INTERSTATE-291 EB
UnknownOver: ROUTE 5 & CT SOUTHERN RR
2.75 MILES EAST OF I-91, Hartford, CT
Built 1993 ADT: 23,400
I-291 RAMP C
UnknownOver: ROUTE 5 & CT SOUTHERN RR
2.75 MILES EAST OF I-91, Hartford, CT
Built 1993 ADT: 23,400
INTERSTATE-291 WB
UnknownOver: ROUTE 30
0.5 MILE NORTH OF US RT 5, Hartford, CT
Built 1993 ADT: 6,900
Showing 451-500 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 |