Total Bridges
4,277
Public highway bridges in Connecticut
State profile · Below median Poor share
Connecticut bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Connecticut, based on the FHWA National Bridge Inventory.
- 4,277
- Public bridges
- 24.0%
- Good condition
- 4.0%
- Poor condition
Data updated May 2026
Good Condition
24.0%
1,025 bridges rated 7-9
-26.0pp vs 50% benchmark
Poor Condition
4.0%
169 bridges whose lowest applicable component is rated 0-4
-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 - Poor-condition share 13.2%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Connecticut vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. 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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
SHERMAN STREET
PoorOver: YANTIC RIVER
1 MILE WEST ROUTE 2, New London, CT
Built 1920 Load: 3.9 t
RIVER BANK ROAD
PoorOver: 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
LONG HILL ROAD
UnknownOver: INTERSTATE-95
0.8 MI N OF ROUTE 81, Middlesex, CT
Built 1957 ADT: 50,900
CHAPMAN MILLPOND R
UnknownOver: INTERSTATE-95
0.3 MI N OF ROUTE 145, Middlesex, CT
Built 1957 ADT: 50,900
ROUTE 145
UnknownOver: INTERSTATE-95
2.4 MI S OF ROUTE 153, Middlesex, CT
Built 1957 ADT: 46,100
WILLARD AVENUE
UnknownOver: INTERSTATE-95
2.0 MI N OF ROUTE 145, Middlesex, CT
Built 1958 ADT: 50,800
ROUTE 153 (ESSEX R
UnknownOver: INTERSTATE-95
I-95 EXIT NO. 65, Middlesex, CT
Built 1957 ADT: 45,000
ROUTE 166
UnknownOver: INTERSTATE-95
I-95 EXIT NO. 66, Middlesex, CT
Built 1957 ADT: 48,400
INTERSTATE-95
UnknownOver: ROUTE 154
1.3 MI S OF ROUTE 9, Middlesex, CT
Built 1957 ADT: 13,800
INTERSTATE-95
UnknownOver: SR 628 {SPRING BROOK RD}
0.6 MI S OF ROUTE 9, Middlesex, CT
Built 1957 ADT: 5,000
ROUTE 66
UnknownOver: CONN RIVER RTE 9 P&W RR
0.25 MI W OF ROUTE 9, Middlesex, CT
Built 1938 ADT: 72,900
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 9 RAMPS 31 & 32
ROUTE 9 AT EXIT 10, Middlesex, CT
Built 1959 ADT: 300
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 155
2.49 MI NO OF HADDAM TL, Middlesex, CT
Built 1959 ADT: 9,400
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 155
2.50 MI NO OF HADDAM TL, Middlesex, CT
Built 1959 ADT: 9,400
SAYBROOK ROAD
UnknownOver: ROUTE 9
3.25MI NORTH OF HADDAM TL, Middlesex, CT
Built 1959 ADT: 44,200
BOW LANE
UnknownOver: ROUTE 9
1.9 MI SOUTH OF ROUTE 66, Middlesex, CT
Built 1958 ADT: 42,200
ROBERTS STREET
UnknownOver: ROUTE 9
1.7 MI SOUTH OF ROUTE 66, Middlesex, CT
Built 1958 ADT: 42,200
SILVER STREET
UnknownOver: ROUTE 9
1.5 M SOUTH OF ROUTE 66, Middlesex, CT
Built 1958 ADT: 39,900
WALNUT STREET
UnknownOver: ROUTE 9
.28MI S OF JCT NB RTE 17, Middlesex, CT
Built 1958 ADT: 49,200
ROUTE 17 NB
UnknownOver: ROUTE 9
1.17 MILES FROM RTE 66, Middlesex, CT
Built 1955 ADT: 4,700
AMTRAK NE CORRIDOR
UnknownOver: ROUTE 81
320 FT N. OF US ROUTE 1, Middlesex, CT
Built 1900 ADT: 7,400
P & W RAILROAD
UnknownOver: ROUTE 157
750 FT N OF ROUTE 68, Middlesex, CT
Built 1925 ADT: 4,200
ROUTE 82
UnknownOver: ROUTE 9
EXIT 7 RTE 9 TO RTE 82, Middlesex, CT
Built 1971 ADT: 29,700
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 9 RAMPS 31 & 32
AT EXIT 10 - AIRCRAFT RD., Middlesex, CT
Built 1959 ADT: 4,900
ROUTE 66 EASTBOUND
UnknownOver: ROUTE 66 RAMP 004
AT EXIT 13 WESTBOUND, Middlesex, CT
Built 1965 ADT: 2,700
COUNTRY CLUB ROAD
UnknownOver: INTERSTATE 91
2.16 MI N OF MERIDEN TL, Middlesex, CT
Built 1965 ADT: 104,700
INTERSTATE-91 SB
UnknownOver: ROUTE 372
I-91 OVER ROUTE 372, Middlesex, CT
Built 1965 ADT: 20,500
INTERSTATE-91 NB
UnknownOver: ROUTE 372
1.55 MI SOUTH OF ROUTE 9, Middlesex, CT
Built 1965 ADT: 17,500
INTERSTATE-91 SB
UnknownOver: ROUTE 9 SB & I-91 TR 818
1.5 MI N ROUTE 372, Middlesex, CT
Built 1965 ADT: 28,300
ROUTE 9 SOUTHBOUND
UnknownOver: INTERSTATE-91 NORTHBOUND
1.6 MI N OF ROUTE 372, Middlesex, CT
Built 1965 ADT: 110,100
INTERSTATE-91 SB
UnknownOver: ROUTE 9 NORTHBOUND
APROX 2 MI.N MIDDLETOWNTL, Middlesex, CT
Built 1965 ADT: 19,000
I-91 SB TR 823
UnknownOver: I-91 NORTHBOUND
1.7 N OF ROUTE 372, Middlesex, CT
Built 1965 ADT: 58,000
ROUTE 9 SOUTHBOUND
UnknownOver: INTERSTATE-91 NB TR 818
1.9 MI S OF ROUTE 372, Middlesex, CT
Built 1965 ADT: 6,200
RT9 NB& I-91 TR821
UnknownOver: I-91 NB & I-91 TR823
.23 MI SO OF JCT I-91 SB, Middlesex, CT
Built 1965 ADT: 58,000
ROUTE 9 RAMP 028
UnknownOver: ROUTE 81
0.2 MI. N OF RTE 9 EXIT-9, Middlesex, CT
Built 1965 ADT: 7,500
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 81 & PONSET BROOK
0.5 MI S OF NB EXIT #9, Middlesex, CT
Built 1966 ADT: 6,100
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 81 & PONSET BROOK
0.5 MI S OF NB EXIT 9, Middlesex, CT
Built 1966 ADT: 6,100
CHRISTIAN HILL RD
UnknownOver: ROUTE 9
2.0 MI N OF ROUTE 81, Middlesex, CT
Built 1965 ADT: 34,800
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 154
1.5 MI N OF I-95, Middlesex, CT
Built 1966 ADT: 7,600
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 154
1.5 MI N OF I-95, Middlesex, CT
Built 1966 ADT: 9,100
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 153
275 FT S OF ROUTE 154, Middlesex, CT
Built 1966 ADT: 6,600
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 153 & ROUTE 154
3.1 MI S OF ROUTE 80, Middlesex, CT
Built 1966 ADT: 6,600
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 154(MIDDLESEX TPK)
3.0 MI S OF ROUTE 80, Middlesex, CT
Built 1966 ADT: 6,400
ROUTE 9 SOUTHBOUND
UnknownOver: RT 154&VALLEY RR&WARD BK
ROUTE 9 EXT NO. 4, Middlesex, CT
Built 1967 ADT: 5,800
ROUTE 9 NORTHBOUND
UnknownOver: RT 154,VALLEY RR,WARD BK
ROUTE 9 EXIT NO. 4, Middlesex, CT
Built 1967 ADT: 5,800
DENNISON ROAD
UnknownOver: ROUTE 9
0.3 MI N OF ROUTE 154, Middlesex, CT
Built 1967 ADT: 34,000
WIG HILL ROAD
UnknownOver: ROUTE 9
0.46 MI N OF MAIN ST UP, Middlesex, CT
Built 1968 ADT: 33,300
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 80 (ELM STREET)
ROUTE 9 EXIT NO. 5, Middlesex, CT
Built 1968 ADT: 4,900
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 80 (ELM STREET)
ROUTE 9 EXIT NO. 5, Middlesex, CT
Built 1968 ADT: 4,900
ROUTE 9 NORTHBOUND
UnknownOver: ROUTE 148 (WEST MAIN ST)
ROUTE 9 EXIT NO. 6, Middlesex, CT
Built 1967 ADT: 4,900
ROUTE 9 SOUTHBOUND
UnknownOver: ROUTE 148 (WEST MAIN ST)
ROUTE 9 EXIT NO. 6, Middlesex, CT
Built 1967 ADT: 4,900
ROUTE 9 SOUTHBOUND
UnknownOver: RTE 9 RAMP 043 & SR 901
AT END OF RT 99, Middlesex, CT
Built 1967 ADT: 3,800
Showing 551-600 of 4,277 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
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.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.