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 12
FairOver: SHETUCKET RIVER
NORWICH-LISBON TOWN LINE, New London, CT
Built 1939 Load: 30.7 t ADT: 5,000
SR 816 (GLEN RD)
FairOver: HOUSATONIC RIVER
GLEN RD O/ LAKE ZOAR, Fairfield, CT
Built 1936 Load: 30.8 t ADT: 2,000
ROUTE 15
FairOver: SILVERMINE AVENUE
0.5 MI S OF US ROUTE 7, Fairfield, CT
Built 1938 Load: 30.8 t ADT: 72,400
ROUTE 15
FairOver: RESERVOIR AVENUE
0.9 MI SO OF RTE 127, Fairfield, CT
Built 1939 Load: 30.8 t ADT: 69,800
ROUTE 123
FairOver: FIVE MILE RIVER
0.4 MI NORTH OF ROUTE 106, Fairfield, CT
Built 1933 Load: 30.8 t ADT: 9,300
GLENVILLE STREET
FairOver: BYRAM RIVER
0.6 MILE EAST OF ROUTE 15, Fairfield, CT
Built 1948 Load: 30.8 t ADT: 12,160
BRIDGE STREET
FairOver: RIPPOWAM RIVER
100 FT W OF ROUTE 137, Fairfield, CT
Built 1955 Load: 30.8 t ADT: 12,530
INTERLAKEN ROAD
FairOver: N STAMFORD RES OUTLET
OPP RT 137, N OF ROUTE 15, Fairfield, CT
Built 1941 Load: 30.8 t ADT: 3,400
WOODWAY ROAD
FairOver: NOROTON RIVER
0.1 MI W OF ROUTE 106, Fairfield, CT
Built 1948 Load: 30.8 t ADT: 4,795
ROUTE 106
FairOver: METRO NORTH RAILROAD
0.8 MI N OF US ROUTE 1, Fairfield, CT
Built 1982 Load: 30.8 t ADT: 14,100
INTERSTATE-84
FairOver: CONNECTICUT RIVER
1 MI EAST OF I-91, Hartford, CT
Built 1906 Load: 30.8 t ADT: 144,200
ROUTE 189 NB
FairOver: TARIFFVILLE ROAD #1
0.5 MI NO. OF JCT RTE 187, Hartford, CT
Built 1960 Load: 30.8 t ADT: 7,300
ROUTE 190
FairOver: CONN RIVER & AMTRAK RR
0.41 MI E OF OVLP RTE 159, Hartford, CT
Built 1966 Load: 30.8 t ADT: 21,500
I-84 RAMP 190
FairOver: BROAD STREET & AMTRAK RR
EXIT 48 INTERSTATE-84 EB, Hartford, CT
Built 1966 Load: 30.8 t ADT: 11,600
ROUTE 72 SOUTHBOUN
FairOver: WOOSTER STREET
0.1 MILE SOUTH OF I-84, Hartford, CT
Built 1970 Load: 30.8 t ADT: 37,000
WORTHINGTON RIDGE
FairOver: MATTABESSET RIVER
0.2 MI S OF ROUTE 160, Hartford, CT
Built 1996 Load: 30.8 t ADT: 464
U.S. ROUTE 6
FairOver: NONEWAUG RIVER
0.4 MI NORTH OF RT 47, Litchfield, CT
Built 1928 Load: 30.8 t ADT: 7,400
ROUTE 317
FairOver: HESSEKY BROOK
0.9 MILE WEST OF ROUTE 6, Litchfield, CT
Built 1957 Load: 30.8 t ADT: 3,700
DAY ROAD
FairOver: BEAVER BROOK
.25 MI WEST OF ROUTE 181, Litchfield, CT
Built 1956 Load: 30.8 t ADT: 262
PAPERMILL ROAD
FairOver: EAST ASPETUCK RIVER
.5 MI WEST OF RT 202, Litchfield, CT
Built 1989 Load: 30.8 t ADT: 1,224
ROUTE 4
FairOver: EAST BRANCH NAUGATUCK RV
0.1 MILE WEST ROUTE 800, Litchfield, CT
Built 1989 Load: 30.8 t ADT: 12,600
ROUTE 8
FairOver: HULL STREET
2.4 MI NORTH OF ROUTE 34, New Haven, CT
Built 1956 Load: 30.8 t ADT: 63,800
ROUTE 73
FairOver: STEELE BROOK
250' EAST OF WATERTOWN TL, New Haven, CT
Built 1914 Load: 30.8 t ADT: 11,300
SR 717
FairOver: MILL RIVER
0.3 MI E OF ROUTE 10, New Haven, CT
Built 1948 Load: 30.8 t ADT: 18,600
INTERSTATE-691 EB
FairOver: RESERVOIR AVE & STREAM
0.6 MI E OF I 691 EXIT 4, New Haven, CT
Built 1970 Load: 30.8 t ADT: 34,800
RIVER STREET
FairOver: WEPAWAUG RIVER
0.2 MI E OF ROUTE 162, New Haven, CT
Built 1934 Load: 30.8 t ADT: 15,210
LANE STREET
FairOver: WILMOT BROOK
100 FT N OF ROUTE 15, New Haven, CT
Built 1949 Load: 30.8 t ADT: 4,200
CHATFIELD STREET
FairOver: BLADENS RIVER
0.1 MI N OF ROUTE 67, New Haven, CT
Built 1989 Load: 30.8 t ADT: 354
JOSHUATOWN ROAD
FairOver: EIGHT MILE RIVER
0.2 MI W OF ROUTE 156, New London, CT
Built 1936 Load: 30.8 t ADT: 350
GRASSY HILL ROAD
FairOver: LATIMER BROOK
0.2 MI S OF ROUTE 85, New London, CT
Built 1940 Load: 30.8 t ADT: 347
RIVERSIDE DRIVE
FairOver: PROV & WORC RAILROAD
100 FT SOUTH OF ROUTE 138, New London, CT
Built 1988 Load: 30.8 t ADT: 1,040
MOHEGAN SUN BLVD
FairOver: RIVERVIEW GARAGE EXIT RO
MOHEGAN SUN BOULEVARD OVE, New London, CT
Built 1999 Load: 30.8 t ADT: 750
EAGLE VIEW GARAGE
FairOver: ROCK LEDGE
UPPER LEVEL ENTER AND EXI, New London, CT
Built 1999 Load: 30.8 t ADT: 750
INDIAN SUMMER PARK
FairOver: MOHEGAN SUN BLVD
INDIAN SUMMER PARKING GAR, New London, CT
Built 2001 Load: 30.8 t ADT: 750
ROUTE 32
FairOver: ROARING BROOK
0.3 MILES NORTH OF I-84, Tolland, CT
Built 1939 Load: 30.8 t ADT: 8,400
ROUTE 14
FairOver: BEAVER BROOK
1.5 MI WEST OF ROUTE 97, Windham, CT
Built 1939 Load: 30.8 t ADT: 4,300
US ROUTE 44
FairOver: CANAL
0.2 MI WEST OF ROUTE 12, Windham, CT
Built 1935 Load: 30.8 t ADT: 7,000
RED BRIDGE ROAD
FairOver: QUINEBAUG RIVER
600 FT EAST OF FABYAN RD, Windham, CT
Built 1956 Load: 30.8 t ADT: 938
INTERSTATE-95
FairOver: METRO NORTH RR & STATION
COS COB RR STA @ EXIT 4, Fairfield, CT
Built 1958 Load: 31.0 t ADT: 120,300
US ROUTE 7
FairOver: METRO NORTH RAILROAD
0.5 MI N OF RTE 33 N JCT, Fairfield, CT
Built 1983 Load: 31.1 t ADT: 20,000
INTERSTATE-384 WB
FairOver: BIDWELL STREET
0.6 MILE WEST OF EXIT 2, Hartford, CT
Built 1968 Load: 31.1 t ADT: 29,850
ROUTE 20
FairOver: W BRNCH FARMINGTON RIVER
1.4 MI E OF WINCHESTER TL, Litchfield, CT
Built 1940 Load: 31.1 t ADT: 1,300
ROUTE 209
FairOver: BANTAM RIVER
SOUTH OF ROUTE 202 JCT, Litchfield, CT
Built 1935 Load: 31.1 t ADT: 2,400
ROUTE 43
FairOver: BRADFORD BROOK
1.5 MI SOUTH OF RTS.43 63, Litchfield, CT
Built 1989 Load: 31.1 t ADT: 400
ROUTE 9 NORTHBOUND
FairOver: MATTABESSET RIVER
0.1 MI SO. OF CROMWELL TL, Middlesex, CT
Built 1960 Load: 31.1 t ADT: 33,100
I-91 NB RAMP 140
FairOver: MILL RIVER
RAMP FROM WILLOW ST TO 91, New Haven, CT
Built 1965 Load: 31.1 t ADT: 4,000
ROUTE 2
FairOver: WAWECUS STREET
1.2 MI EAST OF ROUTE 32, New London, CT
Built 1959 Load: 31.1 t ADT: 40,000
ROUTE 66
FairOver: PROVIDENCE&WORCESTER RR
RTE 66 0.4 MI W ROUTE 32, Windham, CT
Built 1937 Load: 31.1 t ADT: 7,300
INTERSTATE-84 WB
FairOver: AMTRAK RR & LOCAL ROADS
.13 MI O/MYRTLE STREET, Hartford, CT
Built 1964 Load: 31.3 t ADT: 91,200
DEPOT STREET
FairOver: NAUGATUCK RIVER
OFF NORTH MAIN STREET, New Haven, CT
Built 1935 Load: 31.3 t ADT: 1,500
Showing 1,351-1,400 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 |