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
MAIN STREET #1
UnknownOver: ROUTE 72 & RAMPS
AT ROUTE 72 EXIT 1C, Hartford, CT
Built 1976 ADT: 5,900
WASHINGTON STREET
UnknownOver: ROUTE 72
JCT COLUMBUS BLVD, Hartford, CT
Built 1975 ADT: 59,900
B&M RR & HIGH ST
UnknownOver: ROUTE 72
RTE 72 BETWEEN I84 &RTE 9, Hartford, CT
Built 1976 ADT: 66,100
STANLEY STREET #1
UnknownOver: ROUTE 9 & RAMPS
100Ft W EX28-RT9N ONRAMP, Hartford, CT
Built 1977 ADT: 10,400
ROUTE 174
UnknownOver: ROUTE 9 TR 813
OVER RTE 9S TO ROUTE 72 N, Hartford, CT
Built 1978 ADT: 7,200
I-84 EB ONRAMP 186
UnknownOver: I-84 WB EXIT 48 ON RAMP
EB ON RAMP FROM BROAD ST, Hartford, CT
Built 1979 ADT: 9,900
ROUTE 72 TR 801
UnknownOver: ROUTES 174 & 9 SB
RT 174, 9 SB, Hartford, CT
Built 1978 ADT: 10,800
ROUTE 174 E. MAIN
UnknownOver: ROUTE 9 NORTHBOUND
.2 MI EAST OF ROUTE 71, Hartford, CT
Built 1978 ADT: 25,800
ROUTE 174
UnknownOver: ROUTE 9 SB
E MAIN ST OVER ROUTE 9 SB, Hartford, CT
Built 1978 ADT: 22,200
ROUTE 72
UnknownOver: ROUTE 177
AT EXIT 1, Hartford, CT
Built 1980 ADT: 14,400
ROUTE 30
UnknownOver: I-84 & I-84 RAMP 247
.26 MI SOUTH OF ROUTE 83, Hartford, CT
Built 1981 ADT: 11,400
CONN. SOUTHERN RR
UnknownOver: INTERSTATE-84 & RAMPS
150'(W)O-PASS TOLLAND TPK, Hartford, CT
Built 1984 ADT: 15,000
I-84 TR 834
UnknownOver: I-84, I-84 RAMPS 295-296
I-84 WB TO I-691 EB, Hartford, CT
Built 1987 ADT: 3,000
SIMMONS ROAD
UnknownOver: INTERSTATE-84
0.3 MILE NORTH OF SR 502, Hartford, CT
Built 1985 ADT: 165,600
FORBES STREET
UnknownOver: INTERSTATE-84
0.4 MILE NORTH OF SR 502, Hartford, CT
Built 1985 ADT: 82,800
I-384 & HOV RAMPS
UnknownOver: I-84 TR 836
0.2 MI W OF MANCHESTER TL, Hartford, CT
Built 1986 ADT: 17,200
I-384 RAMP 003
UnknownOver: I-384 TR 801
115'EAST OF E HARTFORD TL, Hartford, CT
Built 1987 ADT: 11,700
INTERSTATE-84
UnknownOver: INTERSTATE-84 TR 836
0.1 MI W OF MANCHESTER TL, Hartford, CT
Built 1986 ADT: 17,200
ROUTE 3
UnknownOver: ROUTE 2 & RAMP 080 EB
0.24 MI N OF MAIN ST OP, Hartford, CT
Built 1987 ADT: 3,400
ROUTE 3 TR 801
UnknownOver: ROUTE 2 RAMP 080
500' EAST OF INT RTE. 3, Hartford, CT
Built 1987 ADT: 3,488
INTERSTATE-91
UnknownOver: ROUTE 140
AT EXIT 45, Hartford, CT
Built 1959 ADT: 17,100
INTERSTATE-91
UnknownOver: ROUTE 220
AT EXIT 48, Hartford, CT
Built 1960 ADT: 28,100
PEDESTRIAN WALKWAY
UnknownOver: I-84 CAPITOL AVE. RAMPS
LEGISLATIVE OFFICE BLDG., Hartford, CT
Built 1987 ADT: 5,600
INTERSTATE-384 HOV
UnknownOver: INTERSTATE-84 EASTBOUND
0.5 MILE EAST OF JCT I-84, Hartford, CT
Built 1986 ADT: 61,000
INTERSTATE-384 WB
UnknownOver: INTERSTATE-84
0.6 MILE WEST OF SR 502, Hartford, CT
Built 1986 ADT: 122,000
US ROUTE 44
UnknownOver: I84 & RAMPS-RTE-I384RAMP
.6 MI E OF E. HARTFORD TL, Hartford, CT
Built 1985 ADT: 18,078
TOLLAND TURNPIKE
UnknownOver: INTERSTATE-84 & RAMPS
1.2 MI E OF JNCT RT44&I84, Hartford, CT
Built 1984 ADT: 16,396
I-291 & I-84 TR 83
UnknownOver: I-84 RAMP 301
EXIT 60 I-84 WB 1 MILE, Hartford, CT
Built 1987 ADT: 3,500
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 15
6.3 MI SOUTH OF NEWINGTON, Hartford, CT
Built 1989 ADT: 20,500
BECKLEY ROAD
UnknownOver: ROUTE 9
0.5 MILE NORTH OF RTE 372, Hartford, CT
Built 1988 ADT: 68,900
I-84 RAMP 305
UnknownOver: I-84 RAMP 304 & E
INTERSTATE-84 WB EXIT 59, Hartford, CT
Built 1986 ADT: 8,500
I-384 TR 801 EB
UnknownOver: US 6 EASTBOUND
.2MI W OF RTE 44 & 84 JCT, Hartford, CT
Built 1986 ADT: 7,300
ROUTE 15
UnknownOver: SR 502 SILVER LANE
0.6 MI SOUTH OF JCT I-84, Hartford, CT
Built 1987 ADT: 10,800
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 372
AT EXIT 21, Hartford, CT
Built 1988 ADT: 13,400
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 372
AT EXIT 21, Hartford, CT
Built 1988 ADT: 13,400
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 15
6.3 MI SOUTH OF NEWINGTON, Hartford, CT
Built 1989 ADT: 20,500
ROUTE 372
UnknownOver: ROUTE 15
400' E OF WRTHNGTON RIDGE, Hartford, CT
Built 1989 ADT: 20,500
SR 518 -ROBERTS ST
UnknownOver: I-84 AND EXIT 58 RAMPS
0.1 MILE NORTH OF SR 502, Hartford, CT
Built 1987 ADT: 2,000
INTERSTATE-84 EB
UnknownOver: ROUTE 15
0.5 MILE EAST OF ROUTE 5, Hartford, CT
Built 1987 ADT: 59,800
I-84 EB HOV LANE
UnknownOver: RTE15&SILVER LA OFF RAMP
JCT OF SILVER LANE, Hartford, CT
Built 1988 ADT: 322
I-84 WB HOV LANE
UnknownOver: ROUTE 15
JCT OF SILVER LANE, Hartford, CT
Built 1988 ADT: 59,800
I-84 EB HOV & WB R
UnknownOver: I-84 EB, RTE 15, RAMP A
SILVER LA. ON & OFF RAMPS, Hartford, CT
Built 1987 ADT: 29,900
CD WB ROADWAY
UnknownOver: I84 RAMP J(RT44 - I84WB)
1.2 MI E OF 84-384 SPLIT, Hartford, CT
Built 1984 ADT: 8,200
INTERSTATE-291 EB
UnknownOver: I-84 RAMP 306
0.3 MI W OF JCT I-84 EB, Hartford, CT
Built 1986 ADT: 9,800
ROUTE 9 RAMP
UnknownOver: ROUTE 9
EXIT 26 OFF ROUTE 9 NB, Hartford, CT
Built 1988 ADT: 81,900
JENNINGS ROAD
UnknownOver: INTERSTATE-91
.4 MI NO OF I-84/91 INTER, Hartford, CT
Built 1989 ADT: 129,500
PEDESTRIAN WALKWAY
UnknownOver: I-91 & TR 826, 839, 841
0.26 MILES NORTH OF I-84, Hartford, CT
Built 1990 ADT: 14,700
W-N TURNING RDWY
UnknownOver: I-84/91 RAMPS, CSO RR
I-84 WB EXIT 51, Hartford, CT
Built 1990 ADT: 15,200
INTERSTATE-91 NB
UnknownOver: ROUTE 159
300' NORTH OF EXIT 34 NB, Hartford, CT
Built 1991 ADT: 14,000
INTERSTATE-91 SB
UnknownOver: ROUTE 159
300' SOUTH OF EXIT 34 SB, Hartford, CT
Built 1991 ADT: 13,900
Showing 401-450 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 |