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
JEROME AVENUE
Structurally DeficientOver: FREEMAN HILL BROOK
200 FT SOUTH COOLIDGE ST, Hartford, CT
Built 1964 Load: 20.1 t ADT: 7,240
WAITE STREET
Structurally DeficientOver: LAKE WHITNEY
0.2 MI EAST OF MATHER ST, New Haven, CT
Built 1935 Load: 21.4 t ADT: 2,000
WILLOW STREET
Structurally DeficientOver: WILLOW BROOK
0.1 MI EAST OF ROUTE 10, New Haven, CT
Built 1924 Load: 22.7 t ADT: 488
ROUTE 82
Structurally DeficientOver: CONNECTICUT RIVER
0.1 MILE WEST OF RTE. 149, Middlesex, CT
Built 1913 Load: 23.7 t ADT: 11,800
BUNKER HILL ROAD
Structurally DeficientOver: HOP RIVER
600 FT EAST OF RTE 6, Tolland, CT
Built 1960 Load: 25.3 t ADT: 337
SALMON KILL ROAD
Structurally DeficientOver: SALMON CREEK
0.5 MI EAST OF ROUTE 112, Litchfield, CT
Built 2002 Load: 30.1 t ADT: 538
NAPCO DRIVE
Structurally DeficientOver: PEQUABUCK RIVER
0.5 MI E OF HARWINTON AVE, Litchfield, CT
Built 1950 Load: 30.1 t
ROUTE 156
Structurally DeficientOver: FOUR MILE RIVER
E.LYME/OLD LYME TOWN LINE, New London, CT
Built 1982 Load: 30.8 t ADT: 2,500
DEPOT ROAD
Structurally DeficientOver: NORWALK RIVER
90 FEET EAST OF ROUTE 7, Fairfield, CT
Built 1910 Load: 32.7 t
BROOK ROAD #2
Structurally DeficientOver: MERRICK BROOK
0.8 MI N OF JCT ROUTE 14, Windham, CT
Built 1970 Load: 32.7 t
BASS ROAD
Structurally DeficientOver: MERRICK BROOK
0.25 mi S GAGER HILL RD, Windham, CT
Built 1932 Load: 32.7 t
SACKETT POINT ROAD
Structurally DeficientOver: QUINNIPIAC RIVER
0.6 MI E OF US ROUTE 5, New Haven, CT
Built 1936 Load: 35.0 t ADT: 15,090
STONE HOUSE ROAD
Structurally DeficientOver: ROARING BROOK
400 FT EAST OF FENTON RD, Tolland, CT
Built 1958 Load: 36.3 t ADT: 11
MADDOX ROAD #1
Structurally DeficientOver: EAST SPRING BROOK
.5 MI E OF NONNEWAUG RD, Litchfield, CT
Built 1956 Load: 37.3 t ADT: 20
LAKESIDE DRIVE
Structurally DeficientOver: NORTH STAMFORD RESERVOIR
OPP RT 137, N OF ROUTE 15, Fairfield, CT
Built 1936 Load: 37.6 t ADT: 4,220
CEDAR HEIGHTS ROAD
Structurally DeficientOver: RIPPOWAM RIVER
0.75 MI W OF ROUTE 137, Fairfield, CT
Built 1933 Load: 37.9 t ADT: 3,390
WHISPERING PINES R
Structurally DeficientOver: STREAM
0.1 MILE N OF STONY LANE, Tolland, CT
Built 1975 Load: 38.6 t ADT: 87
MELLEN STREET
Structurally DeficientOver: PEQUABUCK RIVER
300 FT SOUTH OF ROUTE 72, Hartford, CT
Built 1956 Load: 40.0 t ADT: 3,130
NORTHFORD ROAD
Structurally DeficientOver: MUDDY RIVER
0.5 MI S OF I-91, New Haven, CT
Built 1938 Load: 55.1 t ADT: 2,861
AXE FACTORY RD #2
Structurally DeficientOver: BIGELOW BROOK
AT EASTFORD TOWN LINE, Windham, CT
Built 1975 Load: 59.6 t ADT: 30
EAST PUTNAM ROAD
Structurally DeficientOver: MARY BROWN BROOK
.5 MILE SOUTH OF ROUTE 44, Windham, CT
Built 1955 Load: 78.1 t ADT: 684
BRAEBURN ROAD
Structurally DeficientOver: TROUT BROOK
0.3 MI E. OF MOUNTAIN RD., Hartford, CT
Built 1960 Load: 97.2 t ADT: 1,260
OLD GOSHEN ROAD
Structurally DeficientOver: HALL MEADOW BROOK
150 FEET EAST OF RTE. 272, Litchfield, CT
Built 1956 Load: 97.2 t ADT: 52
SMITH ROAD
Structurally DeficientOver: HALL MEADOW BROOK
200 FEET EAST OF RTE. 272, Litchfield, CT
Built 1999 Load: 97.2 t ADT: 77
ROUTE 162
Structurally DeficientOver: TURTLE CREEK
0.7 MI E OF ROUTE 736, New Haven, CT
Built 1971 Load: 97.2 t ADT: 17,900
OLD COLCHESTER RD
Structurally DeficientOver: RAYMOND BROOK
1.6 MI SOUTH OF RT 85, Tolland, CT
Built 1956 Load: 97.2 t ADT: 494
SPICER ROAD
Structurally DeficientOver: FIVE MILE RIVER
0.5 MI EAST OF E THOMPSON, Windham, CT
Built 1972 Load: 97.2 t ADT: 270
Showing 4,251-4,277 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 |