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
SR 816
FairOver: POOTATUCK RIVER
CENTER OF SANDY HOOK, Fairfield, CT
Built 1988 Load: 32.7 t ADT: 9,100
SYLVAN ROAD SOUTH
FairOver: STONY BROOK
500 FT W OF ROUTE 33, Fairfield, CT
Built 1960 Load: 32.7 t ADT: 2,850
BORGLUM ROAD
FairOver: SILVERMINE RIVER
WILTON-NEW CANAAN TL, Fairfield, CT
Built 1988 Load: 32.7 t ADT: 500
OLD DIKE ROAD
FairOver: BOOTH HILL BROOK
100' W OF HEMLOCK TRAIL, Fairfield, CT
Built 1988 Load: 32.7 t ADT: 956
US ROUTE 7
FairOver: SAUGATUCK RIVER
75' NO OF BENNETS POND RD, Fairfield, CT
Built 1990 Load: 32.7 t ADT: 24,600
TOPSTONE ROAD
FairOver: NORWALK RIVER
APPROX 200' E OF ROUTE 7, Fairfield, CT
Built 1955 Load: 32.7 t ADT: 2,010
ROUTE 39
FairOver: BALL POND BROOK
0.25 MI N OF RTE 37 INT, Fairfield, CT
Built 1990 Load: 32.7 t ADT: 7,100
FIELD POINT ROAD
FairOver: HORSENECK BROOK
2800' NORTH OF I-95, Fairfield, CT
Built 1894 Load: 32.7 t ADT: 12,240
LITTLE BROOK ROAD
FairOver: TOKENEKE BROOK
0.2 MI W OF RAYMOND ST, Fairfield, CT
Built 1966 Load: 32.7 t ADT: 58
BROAD STREET
FairOver: FERRY CREEK
200 FT EAST OF ROUTE 130, Fairfield, CT
Built 1981 Load: 32.7 t ADT: 590
FLAX HILL ROAD
FairOver: KEELERS BROOK
0.1 MI EAST OF KEELER AVE, Fairfield, CT
Built 1980 Load: 32.7 t ADT: 9,610
NEWTOWN AVENUE
FairOver: STONY BROOK
0.5 MI NORTH OF ROUTE 53, Fairfield, CT
Built 1983 Load: 32.7 t ADT: 2,785
MARTIN L KING DR
FairOver: BROOK
AT RTE 136 INTERSECTION, Fairfield, CT
Built 1984 Load: 32.7 t ADT: 12,300
CORN HILL ROAD
FairOver: FARMILL RIVER
1 MI WEST OF ROUTE 108, Fairfield, CT
Built 1983 Load: 32.7 t ADT: 113
LAUREL AVENUE
FairOver: ROOSTER RIVER CONDUIT
300' EAST OF ROUTE 59, Fairfield, CT
Built 1984 Load: 32.7 t ADT: 6,212
BRIDGE STREET
FairOver: HORSENECK BROOK
200' EAST OF PROSPECT ST, Fairfield, CT
Built 1980 Load: 32.7 t ADT: 320
GARAMELLA BLVD
FairOver: PADANARAM BROOK
0.2 MI E OF ROUTE 53, Fairfield, CT
Built 1986 Load: 32.7 t ADT: 11,265
STONY BROOK ROAD
FairOver: STONY BROOK
850 FT FROM NORWALK TL, Fairfield, CT
Built 1985 Load: 32.7 t ADT: 245
PARTRICK ROAD
FairOver: STONY BROOK
0.6 MI NORTH OF ROUTE 53, Fairfield, CT
Built 1985 Load: 32.7 t ADT: 255
LONGMEADOWS ROAD
FairOver: E. BRANCH SILVERMINE RVR
EAST OF ROUTE 33, Fairfield, CT
Built 1980 Load: 32.7 t ADT: 395
POND BROOK ROAD
FairOver: POND BROOK
100' WEST OF HANOVER RD, Fairfield, CT
Built 1994 Load: 32.7 t ADT: 210
ROCKWELL ROAD
FairOver: LIMEKILN BROOK
1000' NORTH OF JCT RT 302, Fairfield, CT
Built 1995 Load: 32.7 t ADT: 1,010
BACKUS AVENUE
FairOver: BROOK
DANBURY MALL WEST ENTRAN, Fairfield, CT
Built 1987 Load: 32.7 t ADT: 10,190
ROUTE 58
FairOver: CRICKER BROOK
160 FT S. OF ROUTE 15, Fairfield, CT
Built 1938 Load: 32.7 t ADT: 16,514
ROUTE 15 RAMP #060
FairOver: CRICKER BROOK
RTE 15NB EXIT 45 ON-RAMP, Fairfield, CT
Built 1938 Load: 32.7 t ADT: 6,400
COMMERCE ROAD
FairOver: TOM BROOK
0.7 MILES SOUT OF ROUTE 6, Fairfield, CT
Built 1985 Load: 32.7 t ADT: 27
TURKEY HILL ROAD
FairOver: POOTATUCK RIVER
50 FT W OF RIVER RUN ROAD, Fairfield, CT
Built 1975 Load: 32.7 t ADT: 520
MORNINGSIDE DRIVE
FairOver: MUDDY BROOK
100 FT SOUTH OF US RTE 1, Fairfield, CT
Built 1999 Load: 32.7 t ADT: 3,640
US RTE 44, MAIN ST
FairOver: AMTRAK RAILROAD
1.23 MI E OF RTE 187 INT, Hartford, CT
Built 1871 Load: 32.7 t ADT: 25,300
ROUTE 83
FairOver: ROARING BROOK
.40 MI N OF WB EXIT RTE 2, Hartford, CT
Built 1940 Load: 32.7 t ADT: 5,500
ROUTE 175
FairOver: SANDY BROOK
0.3 MI W OF NEWINGTON TL, Hartford, CT
Built 2004 Load: 32.7 t ADT: 8,600
SR 529
FairOver: PIPER BROOK RELOCATION
0.6 MI EAST OF ROUTE 173, Hartford, CT
Built 1973 Load: 32.7 t ADT: 15,600
INTERSTATE-84 WB
FairOver: OLIVE STREET (ABANDONED)
AT EXIT 45, Hartford, CT
Built 1967 Load: 32.7 t ADT: 68,900
ASYLUM AVENUE
FairOver: NORTH BRANCH PARK RIVER
300' EAST OF ELIZABETH ST, Hartford, CT
Built 1959 Load: 32.7 t ADT: 11,600
NAUBUC AVENUE
FairOver: PORTER BROOK
100-FT NO. PUTNAM BLVD, Hartford, CT
Built 1871 Load: 32.7 t ADT: 3,600
NORTH MAIN STREET
FairOver: HOCKANUM RIVER
0.6 MI WEST OF JCT RTE 83, Hartford, CT
Built 2001 Load: 32.7 t ADT: 7,100
TOWN FARM ROAD
FairOver: SCANTIC RIVER
1.5 MILES WEST OF RTE 191, Hartford, CT
Built 1968 Load: 32.7 t ADT: 4,636
N MAIN & RIVERSIDE
FairOver: PEQUABUCK RIVER
JCT N MAIN & RIVERSIDE AV, Hartford, CT
Built 1972 Load: 32.7 t ADT: 8,800
SPRING STREET
FairOver: BIRCH MOUNTAIN BROOK
100'(W) OF INT GLEN RD, Hartford, CT
Built 1905 Load: 32.7 t ADT: 1,200
PLEASANT VALLEY RD
FairOver: PODUNK RIVER
0.6 MILES EAST OF ROUTE 5, Hartford, CT
Built 1929 Load: 32.7 t ADT: 5,458
ATWATER STREET
FairOver: QUINNIPIAC RIVER
575 FT W OF ROUTE 10, Hartford, CT
Built 1961 Load: 32.7 t ADT: 1,055
GABB ROAD
FairOver: WASH BROOK
1 MILE WEST OF ROUTE 189, Hartford, CT
Built 1981 Load: 32.7 t ADT: 3,852
MOUNTAIN ROAD #1
FairOver: TUMBLE BROOK
200' SO OF BLOOMFIELD TL, Hartford, CT
Built 1982 Load: 32.7 t ADT: 9,992
WETHERSFIELD ROAD
FairOver: MATTABESSET RIVER
0.2 MI S OF ROUTE 160, Hartford, CT
Built 1970 Load: 32.7 t ADT: 2,081
OLCOTT STREET
FairOver: HOP BROOK
0.5 MI WEST OF US RTE 44, Hartford, CT
Built 1973 Load: 32.7 t ADT: 6,100
DOWD STREET
FairOver: MILL BROOK
50 FEET WEST OF ROUTE 176, Hartford, CT
Built 1969 Load: 32.7 t ADT: 2,923
BARNDOOR HILLS RD
FairOver: BISSELL BROOK
1500' NORTH OF HOLCOMB RD, Hartford, CT
Built 1956 Load: 32.7 t ADT: 700
CEDAR GLEN
FairOver: HOP BROOK
350'SOUTH OF CEDAR HLL RD, Hartford, CT
Built 1978 Load: 32.7 t ADT: 473
CURTISS STREET
FairOver: QUINNIPIAC RIVER
0.2 MI W. OF ROUTE 10, Hartford, CT
Built 1955 Load: 32.7 t ADT: 3,279
LAZY LANE
FairOver: QUINNIPIAC RIVER
200 FT W OF ROUTE 10, Hartford, CT
Built 1950 Load: 32.7 t ADT: 1,754
Showing 1,501-1,550 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 |