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 197
FairOver: QUINEBAUG RIVER
.2 MI WEST OF ROUTE 131, Windham, CT
Built 1931 Load: 25.9 t ADT: 2,500
INTERSTATE-91 NB
FairOver: ELM STREET
0.5 MILE SOUTH OF EXIT 25, Hartford, CT
Built 1964 Load: 26.2 t ADT: 75,450
NEW LONDON TPK
FairOver: ROARING BROOK
700Ft. N. of Jct Rte 83, Hartford, CT
Built 1939 Load: 26.2 t ADT: 3,246
NEWFIELD AVENUE
FairOver: SO. BRANCH OF PARK RIVER
700 FEET NORTH OF SR 529, Hartford, CT
Built 1987 Load: 26.2 t ADT: 10,800
INTERSTATE-91 NB
FairOver: CT SOUTHERN RR
0.5 MILE NORTH OF I-84, Hartford, CT
Built 1990 Load: 26.2 t ADT: 76,000
SR 807
FairOver: NORTHFIELD BROOK
0.1 MI NORTH OF ROUTE 254, Litchfield, CT
Built 1956 Load: 26.2 t ADT: 11,800
ROUTE 47
FairOver: SPRAIN BROOK
0.4 MILE SO OF ROXBURY TL, Litchfield, CT
Built 1989 Load: 26.2 t ADT: 1,800
BALLOUVILLE ROAD
FairOver: CANAL
1 MI EAST OF ROUTE 12, Windham, CT
Built 1961 Load: 26.2 t ADT: 2,254
ROUTE 12
FairOver: PROV & WORC RAILROAD
1 MILE NORTH OF ROUTE 201, New London, CT
Built 1930 Load: 26.3 t ADT: 4,800
ROUTE 4
FairOver: SO BRANCH BUNNELL BROOK
0.5 MILES WEST OF RTE. 69, Hartford, CT
Built 1956 Load: 26.6 t ADT: 15,300
ROUTE 322
FairOver: QUINNIPIAC RIVER
SOUTHINGTON-CHESHIRE TL, Hartford, CT
Built 1948 Load: 26.6 t ADT: 10,600
RESERVOIR HILL RD
FairOver: WHIGVILLE BROOK
JCT STONY HILL ROAD, Hartford, CT
Built 2005 Load: 26.6 t ADT: 458
SR 800
FairOver: GULF STREAM
1.06 MI NO LITCHFIELD TL., Litchfield, CT
Built 1962 Load: 26.6 t ADT: 5,900
CLARK HILL ROAD
FairOver: ROARING BROOK
1.7 MI E. OF ROUTE 82, Middlesex, CT
Built 1935 Load: 26.6 t ADT: 2,121
ROUTE 80
FairOver: WEST RIVER
265 FT W OF ROUTE 77, New Haven, CT
Built 1934 Load: 26.6 t ADT: 7,100
INTERSTATE 84 WB
FairOver: PETER ROAD
.9 MI E OF ROUTE 172, New Haven, CT
Built 1963 Load: 26.6 t ADT: 36,100
FAIR STREET
FairOver: METRO NORTH RAILROAD
275 FT E. OF STATE STREET, New Haven, CT
Built 1998 Load: 26.6 t ADT: 2,200
FROST ROAD
FairOver: MAD RIVER
0.2 MILE EAST OF ROUTE 69, New Haven, CT
Built 1965 Load: 26.6 t ADT: 11,000
STILLMAN AVENUE
FairOver: PAWCATUCK RIVER
0.5 MI E OF ROUTE 2, New London, CT
Built 1953 Load: 26.6 t ADT: 5,452
COOK TOWN ROAD
FairOver: BROOK
0.7 MI E OF ROUTE 164, New London, CT
Built 1988 Load: 26.8 t ADT: 120
ROUTE 15
FairOver: HILLSIDE ROAD
1.9 MI EAST WESTPORT TL, Fairfield, CT
Built 1940 Load: 26.9 t ADT: 66,420
ROUTE 17
FairOver: NEW LONDON TURNPIKE
.47 S OF ROUTE 94 INTER., Hartford, CT
Built 1952 Load: 26.9 t ADT: 14,300
ROUTE 20 EASTBOUND
FairOver: HAMILTON ROAD
1 MI EAST OF WL TOWN LINE, Hartford, CT
Built 1961 Load: 26.9 t ADT: 20,650
BARBOURTOWN ROAD
FairOver: CHERRY BROOK
NEAR INT. WITH ROUTE 179, Hartford, CT
Built 1986 Load: 26.9 t ADT: 1,640
ROUTE 20
FairOver: STILL RIVER
0.1 MILE EAST OF ROUTE 8, Litchfield, CT
Built 1935 Load: 26.9 t ADT: 2,300
POMPERAUG ROAD
FairOver: POMPERAUG RIVER
OFF ROUTE 6, NEAR RTE 64, Litchfield, CT
Built 1956 Load: 26.9 t ADT: 212
ROUTE 67
FairOver: EIGHT MILE BROOK
OXFORD-SOUTHBURY T.L., New Haven, CT
Built 1934 Load: 26.9 t ADT: 11,800
INTERSTATE-95
FairOver: DELAVAN AVENUE
I-95 EXIT NO. 2, Fairfield, CT
Built 1958 Load: 27.2 t ADT: 96,600
ROUTE 15
FairOver: CUTSPRING ROAD
1.5 MI S OF ROUTE 110, Fairfield, CT
Built 1940 Load: 27.2 t ADT: 119,800
ROUTE 130
FairOver: YELLOW MILL POND
NEAR EXIT 29 I-95, Fairfield, CT
Built 1926 Load: 27.2 t ADT: 13,600
HUNTINGTON STREET
FairOver: FARMILL RIVER
0.5 MI S OF RPUTE 108, Fairfield, CT
Built 1934 Load: 27.2 t ADT: 14,974
SILVERMINE ROAD
FairOver: HOUSATONIC RR
0.5 mi east of US Rt 202, Fairfield, CT
Built 1910 Load: 27.2 t ADT: 4,780
U.S. ROUTE 44
FairOver: RATTLESNAKE BROOK
0.8 MILE WEST OF SR 565, Hartford, CT
Built 1939 Load: 27.2 t ADT: 20,000
ROUTE 72
FairOver: PEQUABUCK RIVER
0.1 MILE E OF EXPWY END, Hartford, CT
Built 1980 Load: 27.2 t ADT: 28,600
GRAND AVENUE
FairOver: QUINNIPIAC RIVER
100' E OF FRONT STREET, New Haven, CT
Built 1900 Load: 27.2 t ADT: 2,400
MULBERRY POINT RD
FairOver: AMTRAK RAILROAD
100 FT S OF ROUTE 146, New Haven, CT
Built 1988 Load: 27.2 t ADT: 2,930
ROUTE 12
FairOver: PACHAUG RIVER - P & W RR
0.9 MILE NORTH OF I-395, New London, CT
Built 1930 Load: 27.2 t ADT: 8,200
EIGHTH STREET
FairOver: SHETUCKET RIVER
.2 MI EAST OF ROUTE 12, New London, CT
Built 1937 Load: 27.2 t ADT: 4,600
ROUTE 12
FairOver: POQUETANUCK COVE
0.9 MI S OF ROUTE 2A, New London, CT
Built 1990 Load: 27.2 t ADT: 7,900
US ROUTE 6 EB
FairOver: HOP RIVER
1400' EAST OF RTE 66, Tolland, CT
Built 1971 Load: 27.2 t ADT: 8,950
INTERSTATE 95
FairOver: CRESCENT ST & MNRR
0.2 MI S OF NORWALK RV, Fairfield, CT
Built 1958 Load: 27.5 t ADT: 112,200
US ROUTE 7
FairOver: NORWALK RIVER
0.4 MI N OF ROUTE 107, Fairfield, CT
Built 1957 Load: 27.5 t ADT: 18,800
OLD KINGS HWY NORT
FairOver: GOODWIVES RIVER
0.1 MI NO OF SEDGWICK AVE, Fairfield, CT
Built 1956 Load: 27.5 t ADT: 5,855
FIRETOWN ROAD
FairOver: BISSELL BROOK
OFF ROUTE 309, Hartford, CT
Built 1949 Load: 27.5 t ADT: 1,800
INTERSTATE-91 SB
FairOver: CONNECTICUT SOUTHERN RR
0.5 MILE NORTH OF I-84, Hartford, CT
Built 1989 Load: 27.5 t ADT: 76,500
ROUTE 85
FairOver: JUDD BROOK
1.6 MI N OF ROUTE 16, New London, CT
Built 1925 Load: 27.5 t ADT: 5,400
COLUMBUS AVENUE
FairOver: AMTRAK RAILROAD
0.2 MI S OF ROUTE 156, New London, CT
Built 1967 Load: 27.5 t ADT: 2,740
LOWE STREET
FairOver: METRO NORTH RAILROAD
BTWN ELY AVE & ML KING DR, Fairfield, CT
Built 1938 Load: 27.9 t ADT: 1,507
ROUTE 20 WESTBOUND
FairOver: HAMILTON ROAD
1 MI E OF WINDSOR LKS TL, Hartford, CT
Built 1961 Load: 27.9 t ADT: 20,650
ROUTE 185
FairOver: TUMBLE BROOK
0.1 MILE WEST OF RTE. 218, Hartford, CT
Built 1949 Load: 27.9 t ADT: 9,300
Showing 1,201-1,250 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 |