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
INTERSTATE-691 WB
UnknownOver: US ROUTE 5
I 691 WB OVER ROUTE 5, New Haven, CT
Built 1971 ADT: 20,800
US ROUTE 5
UnknownOver: I-91, AMTRAK, RAMP B
0.36N OF RTE 22 BISHOP ST, New Haven, CT
Built 1973 ADT: 88,600
INTERSTATE-91 NB
UnknownOver: MILL RV-STATE ST RMP 140
1.4 MI N OF I-95, New Haven, CT
Built 1965 ADT: 4,100
I-91 NB RAMP 141
UnknownOver: I-91 NB RAMP 140
I91 NB OFF RAMP TO WILLOW, New Haven, CT
Built 1965 ADT: 4,100
INTERSTATE-91 SB
UnknownOver: STATE ST MILL RIV RAMPS
1.4 MI N OF I-95, New Haven, CT
Built 1965 ADT: 4,000
WILLOW STREET
UnknownOver: I91 RMPS 139&141,MILL RV
EXIT # 6 OFF I-91 NB, New Haven, CT
Built 1965 ADT: 4,200
I-91 RAMP 142
UnknownOver: INTERSTATE-91 RAMP 143
EXIT 6 I-91 SB(WILLOW ST), New Haven, CT
Built 1965 ADT: 3,400
INTERSTATE-91 NB
UnknownOver: US 5 & AMTRAK & FERRY ST
1.1 MI S OF ROUTE 17, New Haven, CT
Built 1964 ADT: 13,900
INTERSTATE-91 SB
UnknownOver: US 5 & AMTRAK & FERRY ST
1.0 MI S OF ROUTE 17, New Haven, CT
Built 1964 ADT: 13,900
INTERSTATE-91 SB
UnknownOver: I-91 TR 801 & SR 724 EB
AT JCT OF RTE I 91 & I 95, New Haven, CT
Built 1965 ADT: 15,200
INTERSTATE-91 SB
UnknownOver: US ROUTE 1
0.1 MI N OF I-95, New Haven, CT
Built 2014 ADT: 9,800
INTERSTATE 91 NB
UnknownOver: US1(WATER ST) & I-95 RMP
0.1 MI N OF I-95, New Haven, CT
Built 1965 ADT: 2,000
I-91 TR 802
UnknownOver: US ROUTE 1(WATER STREET)
EXIT 1 RAMP FROM 91 SB, New Haven, CT
Built 2015 ADT: 9,800
INTERSTATE-91 SB
UnknownOver: INTERSTATE-95 RAMP 317
0.3 MI N OF I-95, New Haven, CT
Built 2013 ADT: 4,200
INTERSTATE-91
UnknownOver: I-91 RAMP 002
0.5 MI N OF I-95, New Haven, CT
Built 1965 ADT: 3,500
NORTH WALL STREET
UnknownOver: INTERSTATE-691
0.4 MILE WEST OF ROUTE 15, New Haven, CT
Built 1965 ADT: 82,400
PRESTON AVENUE
UnknownOver: ROUTE 66
0.6MI W JCT I-691 &RTE 66, New Haven, CT
Built 1965 ADT: 24,600
I-91 RAMP 132
UnknownOver: I-91 RAMP 135 & AMTRAK
RMP TRUMBULL ST TO I91 SB, New Haven, CT
Built 1965 ADT: 5,300
INTERSTATE-91
UnknownOver: I-91 RAMPS & AMTRAK
0.8 MI N OF I-95, New Haven, CT
Built 1965 ADT: 17,800
INTERSTATE-91
UnknownOver: ROUTE 17
EXIT 8 ROUTE 91, New Haven, CT
Built 1965 ADT: 30,000
INTERSTATE-91 NB
UnknownOver: SR 715 (MONTOWESE AVE.)
EXIT 9 ON I-91, New Haven, CT
Built 1965 ADT: 20,800
INTERSTATE-91 SB
UnknownOver: SR 715 (MONTOWESE AVE)
I-91 SB OVER SR 715, New Haven, CT
Built 1965 ADT: 20,800
INTERSTATE-91 NB
UnknownOver: SR 729
0.8 MI N OF ROUTE 40, New Haven, CT
Built 1965 ADT: 8,200
INTERSTATE-91 SB
UnknownOver: SR 729
0.8 MI N OF ROUTE 40, New Haven, CT
Built 1965 ADT: 8,200
INTERSTATE-91 NB
UnknownOver: US ROUTE 5
I-91 EXIT NO. 12, New Haven, CT
Built 1965 ADT: 18,800
INTERSTATE-91 SB
UnknownOver: US ROUTE 5
I-91 EXIT NO. 12, New Haven, CT
Built 1965 ADT: 18,800
BASSETT ROAD
UnknownOver: INTERSTATE-91
700' NORTH OF WILSON AVE., New Haven, CT
Built 2017 ADT: 72,800
INTERSTATE-91 SB
UnknownOver: I-91 TR 807
ROUTE 91 EXIT NO. 13, New Haven, CT
Built 1965 ADT: 3,000
SR 702
UnknownOver: INTERSTATE-91 SOUTHBOUND
0.5 MI S OF EXIT 91 SB, New Haven, CT
Built 1965 ADT: 32,300
INTERSTATE-91 NB
UnknownOver: INTERSTATE-91 TR 807
1 MI SOUTH OF ROUTE 150, New Haven, CT
Built 1965 ADT: 3,000
HARRISON ROAD
UnknownOver: INTERSTATE-91
.50 MI SOUTH OF ROUTE 150, New Haven, CT
Built 1965 ADT: 75,600
INTERSTATE-91 NB
UnknownOver: ROUTE 150
I-91 EXIT NO. 14, New Haven, CT
Built 1965 ADT: 7,300
INTERSTATE-91 SB
UnknownOver: ROUTE 150
I-91 EXIT NO. 14, New Haven, CT
Built 1965 ADT: 7,300
SR 738 (E. CENTER
UnknownOver: INTERSTATE-91
.76 MI SO OF RTE 68, New Haven, CT
Built 1965 ADT: 69,400
NEW ROCK HILL ROAD
UnknownOver: INTERSTATE-91
1.77 SOUTH OF ROUTE 68, New Haven, CT
Built 1965 ADT: 74,600
DURHAM ROAD
UnknownOver: INTERSTATE-91
betwn exits 14 & 15, I-91, New Haven, CT
Built 1965 ADT: 37,200
ROUTE 68
UnknownOver: INTERSTATE-91
1.0 MI NORTH OF DURHAM RD, New Haven, CT
Built 2004 ADT: 67,700
CARPENTER LANE
UnknownOver: INTERSTATE-91
.54 MI NORTH OF RTE 68, New Haven, CT
Built 1965 ADT: 72,500
MURDOCK AVENUE
UnknownOver: INTERSTATE-91
.74 MI SO OF RT 15 NB EXT, New Haven, CT
Built 1965 ADT: 72,500
ROUTE 8
UnknownOver: SR 847 - SOUTH MAIN ST.
0.1 MILE NORTH OF EXIT 29, New Haven, CT
Built 1965 ADT: 6,200
SEVENTH STREET
UnknownOver: ROUTE 8
1.5 MI N NAUGTK/WATBRY TL, New Haven, CT
Built 1965 ADT: 52,700
ROUTE 8 NORTHBOUND
UnknownOver: ROUTE 8 SB & LOCAL ROADS
ROUTE 8 SOUTH OF I-84, New Haven, CT
Built 1966 ADT: 28,600
I-84 TR 811
UnknownOver: I-84 TR 812 & NAUGATUCK
NB RTE 8 TO EB 84 EXIT 31, New Haven, CT
Built 1966 ADT: 11,700
I-84 TR 808
UnknownOver: ROUTE 8 SB & RAMP 129
EXIT 33 ROUTE 8 NB, New Haven, CT
Built 1966 ADT: 3,000
INTERSTATE-84 EB
UnknownOver: I-84WB,RTE8,NAUGATUCK RV
I-84 EXIT 20, New Haven, CT
Built 1967 ADT: 2,600
INTERSTATE 84 WB
UnknownOver: RTE 8, NAUG RIV, M-N RR
WATERBURY LOWER LEVEL, New Haven, CT
Built 1967 ADT: 3,000
I-84 RAMP 169
UnknownOver: I-84 TR 805 & 808
EB RAMP FROM HIGHLAND AVE, New Haven, CT
Built 1966 ADT: 4,200
I-84 TR 809
UnknownOver: ROUTE 8 NB,RIVERSIDE ST
SB RTE 8 EXIT 31TO EB I84, New Haven, CT
Built 1966 ADT: 2,600
I-84 TR 810
UnknownOver: ROUTE 8 NB & RAMP 128
ROUTE 84 WB EXIT 20, New Haven, CT
Built 1967 ADT: 2,600
I-84 RAMP 197
UnknownOver: RAMP 202 MEADOW STREET
EXIT 21 I-84 EB RAMP, New Haven, CT
Built 1967 ADT: 3,800
Showing 751-800 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.