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-691 WB AND RAMPS
FairOver: WILLOW BROOK
I-691 WB EXIT NO. 9, New Haven, CT
Built 1965 Load: 99.9 t ADT: 42,500
I-91 NB RAMP 016
FairOver: LITTLE RIVER
I-91 NB EXIT NO 8, New Haven, CT
Built 1965 Load: 99.9 t ADT: 16,600
INTERSTATE-91
FairOver: LITTLE RIVER
0.2 MI N OF ROUTE 17, New Haven, CT
Built 1965 Load: 99.9 t ADT: 50,400
INTERSTATE-84
FairOver: WELTON BROOK
0.8 MI EAST MIDDLEBURY TL, New Haven, CT
Built 1965 Load: 99.9 t ADT: 83,400
HUNTINGDON AVENUE
FairOver: HANCOCK BROOK
0.2 MILES W OF SR 847, New Haven, CT
Built 1940 Load: 99.9 t ADT: 24,900
FREIGHT STREET
FairOver: NAUGATUCK RIVER
JCT FREIGHT & RIVERSIDE, New Haven, CT
Built 1925 Load: 99.9 t ADT: 7,100
I-84, RAMPS & LOCA
FairOver: MAD RIVER
0.1 MI WEST OF EXIT 23 EB, New Haven, CT
Built 1980 Load: 99.9 t ADT: 105,300
RT8 & RMPS 139,140
FairOver: BEACON HILL BROOK
AT EXIT 25, RTE 8, New Haven, CT
Built 1981 Load: 99.9 t ADT: 48,000
INTERSTATE I-84
FairOver: HOP BROOK
0.07 MI WEST BRG# 01171, New Haven, CT
Built 1964 Load: 99.9 t ADT: 73,700
INTERSTATE 95
FairOver: EAST BRANCH WEST RIVER
900 FT SOUTH OF ROUTE 77, New Haven, CT
Built 1958 Load: 99.9 t ADT: 56,800
INTERSTATE-95
FairOver: LATIMERS BROOK
0.5 MI N OF ROUTE 161, New London, CT
Built 1958 Load: 99.9 t ADT: 72,700
INTERSTATE-395
FairOver: TRADING COVE BROOK
1 MILE NORTH OF ROUTE 2A, New London, CT
Built 1958 Load: 99.9 t ADT: 54,600
ROUTE 138
FairOver: PACHAUG RIVER
1 MI WEST OF ROUTE 49, New London, CT
Built 1953 Load: 99.9 t ADT: 5,500
INTERSTATE-95 NB
FairOver: STONY BROOK
0.6 MI N OF ROUTE 234, New London, CT
Built 1964 Load: 99.9 t ADT: 17,500
INTERSTATE-95 SB
FairOver: STONY BROOK
0.6 MI N OF ROUTE 234, New London, CT
Built 1964 Load: 99.9 t ADT: 22,400
INTERSTATE-95 SB
FairOver: ANGUILLA BROOK
2.6 MI N OF ROUTE 234, New London, CT
Built 1964 Load: 99.9 t ADT: 18,600
ROUTE 82
FairOver: ROARING BROOK
0.1 MI W OF ROUTE 148, New London, CT
Built 1982 Load: 99.9 t ADT: 1,900
US ROUTE 1
FairOver: FOUR MILE RIVER
3.5 MI S OF ROUTE 161, New London, CT
Built 1982 Load: 99.9 t ADT: 3,700
PROSPECT HILL ROAD
FairOver: MEADOW BROOK
295 FT S OF ROUTE 2, New London, CT
Built 1965 Load: 99.9 t ADT: 416
SUNNYSIDE STREET
FairOver: YANTIC RIVER
40 FT EAST OF FRANKLIN RD, New London, CT
Built 1908 Load: 99.9 t ADT: 465
ROUTE 85
FairOver: JORDAN BROOK
0.7 MI S OF I-395, New London, CT
Built 1991 Load: 99.9 t ADT: 12,400
WISCONSIN AVENUE
FairOver: ELISHA BROOK
1.5 MILES NORTH OF SR 642, New London, CT
Built 1975 Load: 99.9 t ADT: 1,800
ROUTE 89
FairOver: FENTON RIVER
.97 MI NORTH OF RTE 195, Tolland, CT
Built 1953 Load: 99.9 t ADT: 2,900
INTERSTATE-84
FairOver: ROARING BROOK
1.3 MILE EAST OF ROUTE 32, Tolland, CT
Built 1940 Load: 99.9 t ADT: 54,200
CHAFFEEVILLE ROAD
FairOver: FENTON RIVER
440' SOUTH OF MULBERRY ST, Tolland, CT
Built 1950 Load: 99.9 t ADT: 669
LOHSE ROAD
FairOver: ROARING BROOK
0.1 MILE SOUTH OF RTE 320, Tolland, CT
Built 1958 Load: 99.9 t ADT: 608
INTERSTATE 95
FairOver: NOROTON RIVER
STAMFORD\DARIEN TOWN LINE, Windham, CT
Built 1958 Load: 99.9 t ADT: 123,700
US ROUTE 6
FairOver: FIVE MILE RIVER
Junction with Rte. 12, Windham, CT
Built 1959 Load: 99.9 t ADT: 18,300
US ROUTE 44
FairOver: MASHAMOQUET BROOK
0.9 MI WEST OF ROUTE 101, Windham, CT
Built 1941 Load: 99.9 t ADT: 6,600
INTERSTATE-395 SB
FairOver: FIVE MILE RIVER
1.5 MILE N OF ROUTE 101, Windham, CT
Built 1968 Load: 99.9 t ADT: 15,500
INTERSTATE-395 NB
FairOver: FIVE MILE RIVER
1.5 MILE N OF ROUTE 101, Windham, CT
Built 1968 Load: 99.9 t ADT: 14,700
INTERSTATE-395 RAM
FairOver: PERRY BROOK
42 FEET N OF BRIDGE 03472, Windham, CT
Built 1966 Load: 99.9 t ADT: 3,400
INTERSTATE-395
FairOver: CULVER BROOK
I-395 NEAR MP 45, Windham, CT
Built 1966 Load: 99.9 t ADT: 21,000
I-91 TR 860
GoodOver: BRIARWOOD DRIVE
I-91 NB X35 RAMP TO I-291, Hartford, CT
Built 1992 ADT: 7,000
BROOK ROAD #2
GoodOver: MERRICK BROOK
0.4 MI N OF ROUTE 14, Windham, CT
Built 1970 ADT: 945
GLEN STREET
GoodOver: MATTABESSET RIVER
0.2 MI N OF ROUTE 71, Hartford, CT
Built 1957 Load: 11.7 t ADT: 1,050
BEAVER MEADOW ROAD
GoodOver: BEAVER MEADOW BROOK
0.7 MI W OF ROUTE 9, Middlesex, CT
Built 2022 Load: 13.6 t ADT: 1,000
I-84 EB & EXIT 23
GoodOver: MAD RIVER
1600'± EAST OF ROUTE 69, New Haven, CT
Load: 16.7 t ADT: 3,580
OLD MINE ROAD
GoodOver: PEQUONNOCK RIVER
100 FT EAST OF ROUTE 111, Fairfield, CT
Built 1979 Load: 17.5 t ADT: 650
WHITTLESEY ROAD
GoodOver: SHEPAUG RIVER
1.5 MI S OF US ROUTE 202, Litchfield, CT
Built 1991 Load: 17.8 t ADT: 120
ROUTE 17
GoodOver: ROARING BROOK
50 FT SOUTH OF ROUTE 160, Hartford, CT
Built 1996 Load: 18.8 t ADT: 10,700
I-291 WESTBOUND
GoodOver: TOLLAND TPKE & CSRR
.4 MI EAST OF BATSON ROAD, Hartford, CT
Built 1993 Load: 19.1 t ADT: 18,300
ROUTE 203
GoodOver: SHETUCKET RIVER
0.2 MILE EAST OF ROUTE 32, Windham, CT
Built 1997 Load: 19.1 t ADT: 3,700
DAY ROAD
GoodOver: WOPPOQUIA BROOK
0.1 MILE EAST OF RTE 169, Windham, CT
Built 2008 Load: 19.1 t ADT: 106
MOUNT HOPE ROAD
GoodOver: MOUNT HOPE RIVER
50 FT FROM JCT ROUTE 89, Tolland, CT
Built 1998 Load: 19.4 t ADT: 800
INTERSTATE-84
GoodOver: HOCKANUM RIVER
175' E OF MANCH/EHRTFD TL, Hartford, CT
Built 1986 Load: 19.8 t ADT: 122,000
POLSTER ROAD
GoodOver: ROARING BROOK
3/4 MI NO OF MIHALIAK RD, Tolland, CT
Built 1950 Load: 19.8 t ADT: 252
SR 729 (BROADWAY)
GoodOver: AMTRAK RAILROAD
0.2 MI E OF US ROUTE 5, New Haven, CT
Built 1988 Load: 20.4 t ADT: 8,100
VILLAGE STREET
GoodOver: DEEP RIVER
500 FT W OF ROUTE 154, Middlesex, CT
Built 2012 Load: 20.7 t ADT: 966
ROUTE 2
GoodOver: SUTTON AVENUE
AT EXIT 5B, Hartford, CT
Built 1951 Load: 21.4 t ADT: 68,600
Showing 3,051-3,100 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 |