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
DISH MILL ROAD
FairOver: HOWELL BROOK
1.2 MI E OF COLEBROOK TL, Hartford, CT
Built 2000 Load: 37.8 t ADT: 67
OLD FORGE ROAD
FairOver: SANDY BROOK
100' WEST OF RIVERTON RD, Litchfield, CT
Built 1996 Load: 37.8 t ADT: 80
SOUNDVIEW AVENUE
FairOver: CUMMINGS BROOK
NEXT TO TUPPER DRIVE, Fairfield, CT
Built 1933 Load: 37.9 t ADT: 1,220
I-84 TR 826
FairOver: CONNECTICUT RIVER
EXIT 51 I-84 WB TO I-91NB, Hartford, CT
Built 1964 Load: 37.9 t ADT: 14,700
INTERSTATE-84 WB
FairOver: MARION AVENUE
INTERSTATE-84 EXIT NO. 30, Hartford, CT
Built 1963 Load: 37.9 t ADT: 45,200
STEVENS STREET
FairOver: COPPER MINE BROOK
0.2 MI EAST OF JEROME AVE, Hartford, CT
Built 1975 Load: 37.9 t ADT: 5,952
CAMPBELL ROAD
FairOver: SANDY BROOK
JCT CAMPBELL & SANDYBROOK, Litchfield, CT
Built 2015 Load: 37.9 t ADT: 100
INTERSTATE-91 NB
FairOver: AMTRAK RAILROAD
.65 MI N OF ROUTE 22, New Haven, CT
Built 1965 Load: 37.9 t ADT: 43,200
CEDAR STREET NO. 1
FairOver: METRO NORTH RAILROAD
0.3 MI S OF US ROUTE 1, New Haven, CT
Built 1906 Load: 37.9 t ADT: 3,092
ROUTE 32
FairOver: YANTIC RIVER
.2 MI NORTH OF ROUTE 2, New London, CT
Built 1956 Load: 37.9 t ADT: 18,000
ROUTE 31
FairOver: WILLIMANTIC RIVER
AT THE COVENTRY TOWN LINE, Tolland, CT
Built 1947 Load: 37.9 t ADT: 4,600
INTERSTATE-395 NB
FairOver: BALLARD ROAD
1 MILE NORTH OF ROUTE 44, Windham, CT
Built 1965 Load: 37.9 t ADT: 12,000
SR 806 (NEWTOWN RD
FairOver: STILL RIVER
1.4 MI W OF ROUTE 6, Fairfield, CT
Built 1928 Load: 38.0 t ADT: 16,800
BELDEN ROAD #2
FairOver: BURLINGTON BROOK
0.9 MILE NORTH OF ROUTE 4, Hartford, CT
Built 1956 Load: 38.0 t ADT: 268
ROUTE 2 EASTBOUND
FairOver: JEREMY RIVER
0.4 MI E OF ROUTE 149, New London, CT
Built 1968 Load: 38.0 t ADT: 16,200
ROUTE 9 SOUTHBOUND
FairOver: WEBSTER SQUARE ROAD
0.4 MI LOG DIR. NO. RTE 5, Hartford, CT
Built 1962 Load: 38.1 t ADT: 38,900
INTERSTATE-91 NB
FairOver: ROOD AVENUE
0.5 MILE NORTH OF I-291, Hartford, CT
Built 1991 Load: 38.1 t ADT: 76,050
SWIMMING HOLE RD
FairOver: LEADMINE BROOK
1.25 MILE SOUTH OF RTE 4, Litchfield, CT
Built 1989 Load: 38.1 t ADT: 83
SPRING STREET
FairOver: WEST RIVER
0.1 MI WEST OF RTE 10, New Haven, CT
Built 1999 Load: 38.1 t ADT: 5,100
ROUTE 138
FairOver: DENISON BROOK
.2 MI WEST OF ROUTE 49, New London, CT
Built 1934 Load: 38.1 t ADT: 6,200
INTERSTATE-95 SB
FairOver: RIVER RD & MYSTIC RIVER
0.4 MI S OF ROUTE 27, New London, CT
Built 1964 Load: 38.1 t ADT: 26,100
ROUTE 201
FairOver: PACHAUG RIVER
.3 MI NORTH OF ROUTE 165, New London, CT
Built 1989 Load: 38.1 t ADT: 1,300
ROUTE 12
FairOver: FIVE MILE RIVER
0.1 MI NORTH OF US RTE 6, Windham, CT
Built 1968 Load: 38.1 t ADT: 7,600
ROUTE 169
FairOver: MASHAMOQUET BROOK
0.2 MILE NORTH OF RTE 101, Windham, CT
Built 1936 Load: 38.1 t ADT: 4,200
INTERSTATE-95
FairOver: LADDINS ROCK ROAD
.1 MI WEST OF STAMFORD TL, Fairfield, CT
Built 1958 Load: 38.2 t ADT: 121,100
INTERSTATE 84 WB
FairOver: HANOVER ROAD
1.6 MI WEST OF SR 816, Fairfield, CT
Built 1962 Load: 38.2 t ADT: 38,400
ROUTE 8 SB RAMP 2
FairOver: GRAND STREET
EXIT 3 ROUTE 8 SB, Fairfield, CT
Built 1969 Load: 38.2 t ADT: 10,100
SR860 MILE HILL RD
FairOver: HOUSATONIC RAILROAD
ENTRANCE TO HOSPITAL, Fairfield, CT
Built 1957 Load: 38.2 t ADT: 12,300
CAMP AVENUE
FairOver: NOROTON RIVER
0.2 MI WEST OF ROUTE 106, Fairfield, CT
Built 1947 Load: 38.2 t ADT: 8,650
ROUTE 47
FairOver: SPRAIN BROOK
1.2 MILE S. OF ROXBURY TL, Litchfield, CT
Built 1956 Load: 38.2 t ADT: 2,100
ROUTE 181
FairOver: BEAVER BROOK
0.5 MI NORTH OF ROUTE 318, Litchfield, CT
Built 1929 Load: 38.2 t ADT: 600
ROUTE 318
FairOver: MORGAN BROOK
100 FEET EAST OF ROUTE 44, Litchfield, CT
Built 1947 Load: 38.2 t ADT: 4,700
RIGA LANE
FairOver: WACHOCASTINOOK BROOK
100' W OF JCT MT. RIGA RD, Litchfield, CT
Built 1957 Load: 38.2 t ADT: 80
ROUTE 66
FairOver: P & W RAILROAD
INT RTE 66 & RTE 17, Middlesex, CT
Built 1938 Load: 38.2 t ADT: 16,000
INTERSTATE 84 EB
FairOver: SANDY HILL ROAD
0.6 MI E OF SOUTH ST BR, New Haven, CT
Built 1964 Load: 38.2 t ADT: 36,900
SR 723
FairOver: FULLING MILL BROOK
150 FT SOUTH OF ROUTE 68, New Haven, CT
Built 1959 Load: 38.2 t ADT: 10,400
ROUTE 68
FairOver: QUINNIPIAC RIVER
150' EAST OF ROUTE 150, New Haven, CT
Built 1965 Load: 38.2 t ADT: 20,900
VERNON AVENUE
FairOver: HOCKANUM RIVER
200' SO OF WEST MAIN ST, Tolland, CT
Built 1925 Load: 38.3 t ADT: 3,208
ROUTE 101
FairOver: WHITE BROOK
1.7 MILES EAST OF RTE 169, Windham, CT
Built 1932 Load: 38.4 t ADT: 9,200
ELLIS STREET
FairOver: PAN AM RAILROAD
AT END OF EXT 25 RTE 9 NB, Hartford, CT
Built 1989 Load: 38.5 t ADT: 8,600
US ROUTE 7
FairOver: CL&P PENSTOCKS
450'N OF GROVE RD INT.RT7, Litchfield, CT
Built 2008 Load: 38.5 t ADT: 2,300
ROUTE 341
FairOver: HOUSATONIC RAILROAD
75' EAST OF JCT SR 827, Litchfield, CT
Built 1901 Load: 38.5 t ADT: 1,500
HOUSATONIC AVENUE
FairOver: ASPETUCK RIVER
200FT NO YOUNGS FIELD RD, Litchfield, CT
Built 1956 Load: 38.5 t ADT: 2,040
MARSH ROAD
FairOver: BRISTOL RESERVOIR SPL
200' WEST OF BRISTOL T.L., Litchfield, CT
Built 1940 Load: 38.5 t ADT: 523
OLD RTE 254-LOWER
FairOver: NORTHFIELD BROOK
4.8 KM SW OF THOMASTON, Litchfield, CT
Built 1936 Load: 38.5 t ADT: 60
ROUTE 8 NORTHBOUND
FairOver: NORTH WASHINGTON AVENUE
1.7 MI N OF I-95, Fairfield, CT
Built 1970 Load: 38.6 t ADT: 53,700
U.S. ROUTE 7 NB
FairOver: NORWALK RIVER
1.3 MILE NORTH OF I-95, Fairfield, CT
Built 1970 Load: 38.6 t ADT: 26,200
ROUTE 25 TR 802
FairOver: PEQUONNOCK RIVER
RAMP FROM 25 SB TO 15 NB, Fairfield, CT
Built 1980 Load: 38.6 t ADT: 7,400
GRISWOLD ROAD
FairOver: TWO STONE BROOK
1250 FEET WEST OF ROUTE 3, Hartford, CT
Built 1961 Load: 38.6 t ADT: 5,412
ROUTE 140
FairOver: WINDSOR LOCKS CANAL
50' EAST OF JCT ROUTE 159, Hartford, CT
Built 1952 Load: 38.6 t ADT: 14,400
Showing 2,001-2,050 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 |