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
NEW LONDON TPKE
FairOver: TRADING COVE BROOK
0.2 MI N OF ROUTE 32, New London, CT
Built 1965 Load: 36.6 t ADT: 9,964
PARKWOOD ROAD
FairOver: LITTLE RIVER-HANOVER RES
1000' EAST OF MAIN STREET, New London, CT
Built 1929 Load: 36.6 t ADT: 265
ROUTE 32
FairOver: OXOBOXO BROOK
100 FT N OF ROUTE 163, New London, CT
Built 1927 Load: 36.6 t ADT: 7,500
ROUTE 14
FairOver: KITT BROOK
1 MI WEST OF ROUTE 169, Windham, CT
Built 1962 Load: 36.6 t ADT: 6,300
INTERSTATE 684 SB
FairOver: TAMARACK SWAMP
.46 MI NORTH OF N.Y. S.L., Fairfield, CT
Built 1968 Load: 36.7 t ADT: 35,050
NAUGATUCK AVENUE
FairOver: METRO NORTH RAILROAD
0.2 MILE NORTH OF I95, New Haven, CT
Built 1913 Load: 36.8 t ADT: 3,790
INTERSTATE-95
FairOver: MILL RIVER
EXIT 20, Fairfield, CT
Built 1958 Load: 36.9 t ADT: 115,800
BURNELL BLVD
FairOver: METRO-NORTH & NORWALK RV
0.1 MILE WEST OF MAIN ST., Fairfield, CT
Built 1965 Load: 36.9 t ADT: 4,909
ROUTE 9 SOUTHBOUND
FairOver: AMTRAK RAILROAD
1.25 MI S ELLIS ST O/PASS, Hartford, CT
Built 1962 Load: 36.9 t ADT: 46,500
ROUTE 179
FairOver: FARMINGTON RIVER
AT COLLINSVILLE DAM, Hartford, CT
Built 1959 Load: 36.9 t ADT: 9,800
ROUTE 219
FairOver: MOUNTAIN BROOK
1.98 MI SO BARKHAMSTED TL, Hartford, CT
Built 1959 Load: 36.9 t ADT: 7,200
BLAKESLEE STREET
FairOver: PAN AM RAILROAD
0.1 MI NORTH OF ROUTE 72, Hartford, CT
Built 1937 Load: 36.9 t ADT: 4,800
ROUTE 72
FairOver: POLAND RIVER
1.9 MILE NORTH OF ROUTE 6, Litchfield, CT
Built 1927 Load: 36.9 t ADT: 2,000
BEECH HILL ROAD
FairOver: SANDY BROOK
20' E OF SANDY BROOK ROAD, Litchfield, CT
Built 2000 Load: 36.9 t ADT: 397
ROUTE 8 NORTHBOUND
FairOver: NAUGATUCK RV-LOCAL ROADS
.27 MI NORTH OF TOWN LINE, New Haven, CT
Built 1966 Load: 36.9 t ADT: 27,300
ROUTE 213
FairOver: AMTRAK RAILROAD
0.4 MI S OF ROUTE 156, New London, CT
Built 1960 Load: 36.9 t ADT: 4,400
INTERSTATE-95 NB
FairOver: MYSTIC RES&DEANS MILL RD
1.5 MI N OF ROUTE 27, New London, CT
Built 1964 Load: 36.9 t ADT: 22,400
ROUTE 319
FairOver: FURNACE BROOK
.3 MI WEST OF ROUTE 19, Tolland, CT
Built 1929 Load: 36.9 t ADT: 2,800
ROUTE 9 SOUTHBOUND
FairOver: BUSWAY - CT FASTRAK
.25 MI. NO. OF EXIT 28 A, Hartford, CT
Built 1976 Load: 37.0 t ADT: 33,200
WEST CENTER STREET
FairOver: QUINNIPIAC RIVER
0.4 MI W OF ROUTE 10, Hartford, CT
Built 2000 Load: 37.0 t ADT: 4,600
ROUTE 68
FairOver: P&W RR
1.6 MI E OF I-91, New Haven, CT
Built 1967 Load: 37.0 t ADT: 13,200
ROUTE 190
FairOver: SCANTIC RIVER
0.5 MILE EAST OF RTE. 186, Tolland, CT
Built 1968 Load: 37.1 t ADT: 12,200
PARMALEE HILL ROAD
FairOver: HOUSATONIC RR
PARMALEE HLL RD O/RR, Fairfield, CT
Built 1989 Load: 37.2 t ADT: 300
INTERSTATE-84 EB
FairOver: OLIVE STREET (ABANDONED)
AT EXIT 45, Hartford, CT
Built 1967 Load: 37.2 t ADT: 58,800
ROUTE 118
FairOver: BANTAM RIVER
.5 MILES EAST OF ROUTE 63, Litchfield, CT
Built 1960 Load: 37.2 t ADT: 5,500
MAPLE STREET
FairOver: NAUGATUCK RIVER
OFF EXIT 27 ROUTE 8 SB, New Haven, CT
Built 1912 Load: 37.2 t ADT: 13,000
INTERSTATE 84 WB
FairOver: STILL RIVER
500' EAST OF EXIT 7, Fairfield, CT
Built 1962 Load: 37.3 t ADT: 33,100
INTERSTATE 84 EB
FairOver: STILL RIVER
I-84 EB EXIT 8, Fairfield, CT
Built 1962 Load: 37.3 t ADT: 48,900
WEST AVENUE
FairOver: NOROTON RIVER
0.3 MI EAST OF ROUTE 106, Fairfield, CT
Built 1957 Load: 37.3 t ADT: 7,110
OLD CLINTON ROAD
FairOver: PATCHOGUE RIVER
750 FEET N OF U.S.ROUTE 1, Middlesex, CT
Built 1976 Load: 37.3 t ADT: 3,305
COLLEGE STREET
FairOver: SOUTH SERVICE DRIVE
COLLEGE ST O S SERV DR, New Haven, CT
Built 2015 Load: 37.3 t ADT: 13,587
HURLBUTT ROAD
FairOver: PROV & WORC RAILROAD
0.5 MI W OF ROUTE 12, New London, CT
Built 1989 Load: 37.3 t ADT: 82
OLD RIDGEFIELD RD
FairOver: NORWALK RIVER
WILTON CENTER, Fairfield, CT
Built 1955 Load: 37.4 t ADT: 392
BUNNELL STREET
FairOver: LOON BROOK
1 MI NORTH OF ROUTE 182A, Litchfield, CT
Built 2010 Load: 37.4 t ADT: 110
I-95 SB RAMP 305
FairOver: NORTH FRONTAGE ROAD
EXIT 27 OFF I-95 SB, Fairfield, CT
Built 1959 Load: 37.6 t ADT: 1,700
ROUTE 37
FairOver: SAWMILL BROOK
.25 MI S OF RTE 39 N JCT., Fairfield, CT
Built 2001 Load: 37.6 t ADT: 4,000
ROUTE 25 TR 801
FairOver: RESERVOIR AVENUE
JCT RTE 15(25NB TO 15SB), Fairfield, CT
Built 1980 Load: 37.6 t ADT: 10,600
U.S. ROUTE 7
FairOver: TRIBUTARY BROOK/ WETLAND
1.26 MI NORTH O ROUTE 202, Fairfield, CT
Built 2009 Load: 37.6 t ADT: 25,100
CURTISS STREET
FairOver: PAN AM RAILROAD
0.1 MILE WEST OF ROUTE 69, Hartford, CT
Built 1992 Load: 37.6 t ADT: 3,326
ROUTE 118
FairOver: NAUGATUCK RIVER
HARWINTON TL, Litchfield, CT
Built 1959 Load: 37.6 t ADT: 5,900
ROUTE 8 SOUTHBOUND
FairOver: BOGUE ROAD
1 MILE NORTH OF EXIT 42, Litchfield, CT
Built 1966 Load: 37.6 t ADT: 12,250
OLD PUMPKIN HILL R
FairOver: HOUSATONIC RAILROAD
50' E OF ERICKSON RD JCT, Litchfield, CT
Built 1991 Load: 37.6 t ADT: 670
ROUTE 9 SOUTHBOUND
FairOver: WEST BRIDGE STREET
0.2 MI N OF ROUTE 80, Middlesex, CT
Built 1967 Load: 37.6 t ADT: 13,900
ROUTE 9 SB RAMP16
FairOver: WEST BRIDGE STREET
350 FT N OF ROUTE 80, Middlesex, CT
Built 1967 Load: 37.6 t ADT: 1,850
ROUTE 80
FairOver: HAMMONASSET RIVER
1.4 MI E OF ROUTE 79, New Haven, CT
Built 1934 Load: 37.6 t ADT: 4,600
SR 847 (THOMASTON
FairOver: NAUGATUCK RAILROAD
.6 MI NORTH OF W. MAIN ST, New Haven, CT
Built 1981 Load: 37.6 t ADT: 8,000
INTERSTATE-691 WB
FairOver: KNOTTER DRIVE
1.1 MI W OF ROUTE 10, New Haven, CT
Built 1986 Load: 37.6 t ADT: 28,500
ROUTE 11 SB
FairOver: EIGHT MILE RIVER
0.6 MI N OF ROUTE 85, New London, CT
Built 1971 Load: 37.6 t ADT: 4,700
HENDEE ROAD
FairOver: HOP RIVER
.29 MI EAST OF US ROUTE 6, Tolland, CT
Built 1984 Load: 37.6 t ADT: 772
OLD COLONY ROAD
FairOver: STILL RIVER
200 FT SOUTH OF ROUTE 198, Windham, CT
Built 1933 Load: 37.6 t ADT: 850
Showing 1,951-2,000 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 |