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
ROUTE 15 SB
UnknownOver: ROUTE 8 & RT 8 RAMP 143
ROUTE 15 EXIT NO. 52, Fairfield, CT
Built 1983 ADT: 50,000
OLD RIDGEBURY ROAD
UnknownOver: I-84 & EXIT RAMPS
I-84 EXIT 2, Fairfield, CT
Built 1983 ADT: 69,600
ROUTE 8 SOUTHBOUND
UnknownOver: SR 711 (HUNTINGTON TPKE)
0.6 MI SOUTH OF ROUTE 108, Fairfield, CT
Built 1982 ADT: 2,300
ROUTE 8 NORTHBOUND
UnknownOver: SR 711 (HUNTINGTON TPKE)
0.7 MI S OF ROUTE 108, Fairfield, CT
Built 1982 ADT: 2,300
ROUTE 8 RAMP 142
UnknownOver: ROUTE 15 SB TR 810
0.1 MI OF EXT 8 RT 8 SB, Fairfield, CT
Built 1983 ADT: 7,597
ROUTE 108
UnknownOver: ROUTE 8 & RAMP 142
0.5 MI S OF ROUTE 15, Fairfield, CT
Built 1982 ADT: 53,400
ROUTE 108
UnknownOver: ROUTE 15 TR 810
2.7 MI N OF US ROUTE 1, Fairfield, CT
Built 1982 ADT: 6,200
ROUTE 8 RAMP 143
UnknownOver: ROUTE 8 NB TR 801
0.2 MI N OF ROUTE 108, Fairfield, CT
Built 1983 ADT: 8,200
ROUTE 15 NB TR 808
UnknownOver: ROUTE 15 & ROUTE 8
ROUTE 15 NB EXIT NO. 52, Fairfield, CT
Built 1984 ADT: 50,000
ROUTE 15 TR 810
UnknownOver: ROUTE 15 & ROUTE 8
ROUTE 15 SB EXIT NO. 52, Fairfield, CT
Built 1984 ADT: 55,700
ROUTE 108
UnknownOver: ROUTE 15
ROUTE 15 EXIT NO. 51, Fairfield, CT
Built 1983 ADT: 78,900
INTERSTATE 84 WB
UnknownOver: SR 824 (WOODLAND RD.)
EXIT 2, Fairfield, CT
Built 1984 ADT: 6,100
INTERSTATE 84 EB
UnknownOver: SR 824 (WOODLAND RD.)
EXIT 2, Fairfield, CT
Built 1984 ADT: 6,100
OLD RIDGEBURY ROAD
UnknownOver: INTERSTATE 84 RAMP 242
EB ON RAMP FROM REST AREA, Fairfield, CT
Built 1984 ADT: 1,100
I-84 RAMP 243
UnknownOver: SR 824 (WOODLAND RD.)
750' WEST OF REST AREA, Fairfield, CT
Built 1984 ADT: 2,400
ROUTE 15
UnknownOver: ROUTE 33
ROUTE 15 AT EXIT NO. 41, Fairfield, CT
Built 1937 ADT: 14,500
LAPHAM ROAD
UnknownOver: ROUTE 15
0.6 MI S OF ROUTE 124, Fairfield, CT
Built 1937 ADT: 75,620
MARVIN RIDGE ROAD
UnknownOver: ROUTE 15
0.3 MI.W.OF NORWALK T.L., Fairfield, CT
Built 1989 ADT: 72,920
US RTE 7 RAMP 048
UnknownOver: US 7 SB &SUGAR HOLLOW RD
DANBURY MALL TO US 7 NB, Fairfield, CT
Built 1986 ADT: 13,800
ROUTE 15
UnknownOver: US RTE 7 & C-D RDWY 601
US ROUTE 7 EXIT NO. 3, Fairfield, CT
Built 1991 ADT: 28,900
RIVERVIEW DRIVE
UnknownOver: SR 840 & HOUSATONIC RR
BERKSHIRE CORPORATE PARK, Fairfield, CT
Built 1995 ADT: 18,500
I-95 RAMP 355
UnknownOver: RTE 130 WB (CT AVE)
I-95 SOUTHBOUND EXIT 29, Fairfield, CT
Built 1998 ADT: 11,700
US ROUTE 1
UnknownOver: INTERSTATE-95
0.1 MI N OF ROUTE 106, Hartford, CT
Built 1958 ADT: 113,800
ROUTE 2
UnknownOver: I-91 & CONN RV CT SO. RR
JCT ROUTE 2 & I-91, Hartford, CT
Built 1958 ADT: 11,312
FOUNDERS PLATFORM
UnknownOver: I-91, RAMPS, & CSO RR
ADJACENT TO FOUNDERS BRDG, Hartford, CT
Built 1999 ADT: 1,300
ROUTE 2
UnknownOver: SR 516 - WILLOW ST. EXT.
AT EXIT 5, Hartford, CT
Built 1962 ADT: 3,900
ROUTE 2
UnknownOver: SR 517 SB
AT EXIT 5 A, Hartford, CT
Built 1962 ADT: 19,800
ROUTE 17 NB
UnknownOver: ROUTE 17 SB RAMP 007
0.1 MI N OF NEW LONDN TPK, Hartford, CT
Built 1952 ADT: 3,100
RAILS TO TRAILS
UnknownOver: ROUTE 4
2.1 MILES WEST OF RTE. 10, Hartford, CT
Built 1928 ADT: 15,300
US ROUTE 5-KING ST
UnknownOver: INTERSTATE-91
1.2 MI N OF E WINDSOR TL, Hartford, CT
Built 1959 ADT: 103,000
U.S. ROUTE 5
UnknownOver: INTERSTATE-91
2 MILES NORTH OF RTE. 190, Hartford, CT
Built 1959 ADT: 79,200
ROUTE 15 SB
UnknownOver: ROUTE 314 - BERLIN TNPK.
JCT OF 15 AND BERLIN TNPK, Hartford, CT
Built 1942 ADT: 12,800
AMTRAK
UnknownOver: ROUTE 159
0.1 MILE NORTH OF RTE 75, Hartford, CT
Built 1917 ADT: 6,800
INTERSTATE 91
UnknownOver: CT RIVER,AMTRAK,RTE 159
BETWEEN EXITS 42 AND 44, Hartford, CT
Built 1959 ADT: 7,400
PAN AM RAILROAD
UnknownOver: U. S. ROUTE 6
1.3 MILE E OF PLYMOUTH TL, Hartford, CT
Built 1935 ADT: 12,700
AMTRAK
UnknownOver: SR 529
.3 MILE EAST OF ROUTE 173, Hartford, CT
Built 1959 ADT: 23,700
INTERSTATE-91
UnknownOver: SR 530 (AIRPORT ROAD)
.2 MI WEST OF BRAINARD RD, Hartford, CT
Built 1964 ADT: 25,300
SR 530 -AIRPORT RD
UnknownOver: ROUTE 15
422 FT E OF I-91, Hartford, CT
Built 1964 ADT: 56,900
ABANDONED RAILROAD
UnknownOver: U.S. ROUTE 6
0.5 MILE WEST OF ROUTE 83, Hartford, CT
Built 1900 ADT: 12,400
ROUTE 322
UnknownOver: INTERSTATE-84 & RAMPS
EXIT 28 OFF I-84, Hartford, CT
Built 1963 ADT: 71,000
MULTI-USE TRAIL
UnknownOver: ROUTE 322
1 M W SOUTHING. CHESH. TL, Hartford, CT
Built 1914 ADT: 10,900
ROUTE 10
UnknownOver: ROUTE 322
ROUTE 10 OVER ROUTE 322, Hartford, CT
Built 1936 ADT: 9,500
US ROUTE 5 &RTE 15
UnknownOver: ROUTE 99-SILAS DEANE HWY
0.3 MI SOUTH HARTFORD TL, Hartford, CT
Built 1942 ADT: 15,700
INTERSTATE-84 EB
UnknownOver: ROUTE 10
AT EXIT 32 INTERSTATE 84, Hartford, CT
Built 1963 ADT: 26,400
INTERSTATE-84 WB
UnknownOver: ROUTE 10
INTERSTATE-84 EXIT NO. 32, Hartford, CT
Built 1963 ADT: 26,400
ROUTE 15 & US 5
UnknownOver: ROUTE 175
0.1 MI N OF NEWINGTON TL, Hartford, CT
Built 1942 ADT: 20,800
RIDGE ROAD
UnknownOver: ROUTE 15 & US ROUTE 5
0.4 MILE SOUTH OF RTE 314, Hartford, CT
Built 1942 ADT: 37,100
U.S. ROUTE 5 & ROU
UnknownOver: ROUTE 314 & WOLCOTT HILL
0.3 MI SOUTH OF ROUTE 99, Hartford, CT
Built 1942 ADT: 12,500
INTERSTATE-91
UnknownOver: US ROUTE 5 AND ROUTE 15
.34MI N OF HRFD-WETH TL, Hartford, CT
Built 1964 ADT: 36,900
ROUTE 15 RAMP 161
UnknownOver: ROUTE 15
15 SB RAMP TO BRAINARD RD, Hartford, CT
Built 2010 ADT: 33,800
Showing 201-250 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 |