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 72
FairOver: PAN AM RAILROAD
0.25 MI. NORTH OF RTE 177, Hartford, CT
Built 1980 Load: 49.3 t ADT: 29,700
REV MOODY OVERPASS
FairOver: CT SOUTHERN RAILROAD
0.4 MI NORTH OF MARKET ST, Hartford, CT
Built 1983 Load: 49.3 t ADT: 7,200
PORTER AVENUE
FairOver: HOP BROOK
.1 MI EAST OF ROUTE 63, New Haven, CT
Built 1940 Load: 49.3 t ADT: 5,900
I-95 & I-95 RAMPS
FairOver: MNRR & LOCAL ROADS
0.2 MI EAST OF EXIT 8 NB, Fairfield, CT
Built 1958 Load: 49.4 t ADT: 112,800
INTERSTATE 95
FairOver: CHAMBERS STREET
At I-95 SB Exit No. 24, Fairfield, CT
Built 1958 Load: 49.4 t ADT: 107,700
SCHOOLHOUSE ROAD
FairOver: CENTER BROOK
0.3 MILE EAST OF RTE 183, Litchfield, CT
Built 1957 Load: 49.4 t ADT: 66
U.S. ROUTE 44
FairOver: WOOD CREEK
200 FT WEST OF ROUTE 272, Litchfield, CT
Built 1927 Load: 49.5 t ADT: 4,600
TURKEY HILL ROAD
FairOver: HOUSATONIC RAILROAD
NEWTOWN TOWN GARAGE, Fairfield, CT
Built 1983 Load: 49.6 t ADT: 948
ROUTE 72 (MAIN ST)
FairOver: PEQUABUCK RIVER
BTWN RIVERSIDE &SCHOOL ST, Hartford, CT
Built 1972 Load: 49.6 t ADT: 5,100
SOUTH MAIN STREET
FairOver: COPPER MINE BROOK
5000 FT EAST OF ROUTE 69, Hartford, CT
Built 1956 Load: 49.6 t ADT: 330
INTERSTATE-91 NB
FairOver: NORTH ROAD
.57 MI NORTH OF ROUTE 372, Middlesex, CT
Built 1965 Load: 49.6 t ADT: 58,900
ROUTE 162
FairOver: INDIAN RIVER
2.4 MI E OF US ROUTE 1, New Haven, CT
Built 1988 Load: 49.6 t ADT: 13,200
PLEASANT POINT RD
FairOver: AMTRAK RAILROAD
.8 MI S. OF ROUTE 146, New Haven, CT
Built 1988 Load: 49.6 t ADT: 132
INTERSTATE-395 SB
FairOver: KILLINGLY DRIVE
2.81 MI NO PLAINFIELD TL, Windham, CT
Built 1962 Load: 49.6 t ADT: 13,100
INTERSTATE-95
FairOver: FRANKLIN STREET
0.1 MI N OF ROUTE 33, Fairfield, CT
Built 1958 Load: 49.9 t ADT: 110,000
US ROUTE 7 SB
FairOver: STILL RIVER
2 MI. SOUTH OF RTE. 202, Fairfield, CT
Built 1976 Load: 49.9 t ADT: 15,250
BALMFORTH AVE & MA
FairOver: PADANARAM BROOK
390 FT S OF ROUTE 37, Fairfield, CT
Built 1988 Load: 49.9 t ADT: 9,375
US RTE 7 & ON RAMP
FairOver: PERRY AVENUE
0.4 MI N OF ROUTE 123, Fairfield, CT
Built 1991 Load: 49.9 t ADT: 39,600
STATE LINE HILL RD
FairOver: SANDY BROOK
AT ROUTE 183, Litchfield, CT
Built 1956 Load: 49.9 t ADT: 67
INTERSTATE 95 NORT
FairOver: CONNECTICUT RV, FERRY RD
.72 MI. OF ROUTE 156, Middlesex, CT
Built 1993 Load: 49.9 t ADT: 36,500
INTERSTATE-395 NB
FairOver: KILLINGLY DRIVE
2.81 MI NO PLAINFIELD TL, Windham, CT
Built 1962 Load: 49.9 t ADT: 12,200
WEST ROAD
FairOver: CHERRY BROOK
0.5 MILE SOUTH OF RTE 179, Hartford, CT
Built 1900 Load: 50.0 t ADT: 220
INTERSTATE-95
FairOver: CENTRAL AVENUE
0.4 MI N OF ROUTE 130, Fairfield, CT
Built 1959 Load: 50.1 t ADT: 115,000
INTERSTATE-691 WB
FairOver: LEWIS AVE
AT EXIT 6, New Haven, CT
Built 1971 Load: 50.1 t ADT: 35,300
INTERSTATE-84 EB
FairOver: DNBY TERM/HOUSATONIC RR
O.5 MI WEST OF US ROUTE 7, Fairfield, CT
Built 1962 Load: 50.2 t ADT: 41,200
US ROUTE 7 NB
FairOver: STILL RIVER
.55 MI S OF US 202 JCT., Fairfield, CT
Built 1975 Load: 50.2 t ADT: 14,900
WESTWAY ROAD
FairOver: SASCO BROOK
WESTPORT - FAIRFIELD TL, Fairfield, CT
Built 1955 Load: 50.2 t ADT: 1,060
ROUTE 3
FairOver: NAUBUC AVENUE
0.64 MI SOUTH OF ROUTE 2, Hartford, CT
Built 1959 Load: 50.2 t ADT: 58,000
INTERSTATE-84 WB
FairOver: SUNSET AVENUE #1
.6 MI E OF SOUTHINGTON TL, Hartford, CT
Built 1965 Load: 50.2 t ADT: 45,500
INTERSTATE-91 SB
FairOver: AMTRAK RAILROAD
0.3 MILE SOUTH OF EXIT 34, Hartford, CT
Built 1991 Load: 50.2 t ADT: 63,500
U.S. ROUTE 6
FairOver: NONEWAUG RIVER
0.4 MILE WEST OF ROUTE 61, Litchfield, CT
Built 1957 Load: 50.2 t ADT: 4,200
ROUTE 68
FairOver: ALLYNS BROOK
0.4 MI W OF RT 17, Middlesex, CT
Built 1929 Load: 50.2 t ADT: 8,900
ROUTE 81
FairOver: INDIAN RIVER
2.25 MI N. OF I-95, Middlesex, CT
Built 1988 Load: 50.2 t ADT: 7,000
INTERSTATE-95
FairOver: BRANFORD STEAM RAILROAD
0.6 MI N OF US ROUTE 1, New Haven, CT
Built 1958 Load: 50.2 t ADT: 65,200
EAST STREET
FairOver: AMTRAK RAILROAD
.1MI SOUTH OF HUMPHREY ST, New Haven, CT
Built 1906 Load: 50.2 t ADT: 5,300
LOUGHLIN ROAD
FairOver: EIGHT MILE BROOK
0.4 MI N OF ROUTE 34, New Haven, CT
Built 1956 Load: 50.2 t ADT: 1,080
INTERSTATE-95
FairOver: DAVIS AVENUE
.4 MI EAST OF EX 3, Fairfield, CT
Built 1958 Load: 50.4 t ADT: 117,700
INTERSTATE-95
FairOver: GRASMERE AVENUE
0.1 MI N OF I-95 EXIT 23, Fairfield, CT
Built 1958 Load: 50.4 t ADT: 121,100
ROUTE 8 NORTHBOUND
FairOver: LAUREL HILL ROAD
0.6 MILE NORTH OF EXIT 43, Litchfield, CT
Built 1966 Load: 50.4 t ADT: 10,550
INTERSTATE-95
FairOver: EAST TOWN ROAD
0.6 MI N OF US ROUTE 1, New Haven, CT
Built 1958 Load: 50.4 t ADT: 99,700
INTERSTATE-95
FairOver: CENTER STREET
I-95 AT EXIT 19, Fairfield, CT
Built 1958 Load: 50.5 t ADT: 104,300
DEMING ROAD
FairOver: WILLOW BROOK
0.6 MI W OF US ROUTE 5, Hartford, CT
Built 1970 Load: 50.5 t ADT: 2,081
SUCKER BROOK ROAD
FairOver: SUCKER BROOK SPILLWAY
ADJ SUCKER BROOK DAM, Litchfield, CT
Built 1966 Load: 50.5 t ADT: 370
FINDLEY ROAD
FairOver: EAST ASPETUCK RIVER
25 FT N OF US ROUTE 202, Litchfield, CT
Built 1956 Load: 50.5 t ADT: 250
ROUTE 9 NORTHBOUND
FairOver: CANDLEWOOD HILL RD & BRK
0.5 MI WEST OF ROUTE 154, Middlesex, CT
Built 1965 Load: 50.5 t ADT: 17,500
ROUTE 8 NORTHBOUND
FairOver: HUNTINGDON AVENUE
.4MI S OF WTRBY WTRTWN TL, New Haven, CT
Built 1964 Load: 50.5 t ADT: 17,900
INTERSTATE 691 EAS
FairOver: BEE STREET
0.2 MI WEST OF I-91, New Haven, CT
Built 1965 Load: 50.5 t ADT: 22,500
AUGUR ROAD
FairOver: FARM RIVER
200 FT W OF ROUTE 22, New Haven, CT
Built 1933 Load: 50.5 t ADT: 2,300
COLBURN ROAD
FairOver: FURNACE BROOK
100 FT FR JCT ROUTE 19, Tolland, CT
Built 1961 Load: 50.5 t ADT: 607
ROUTE 9 SOUTHBOUND
FairOver: P&W RAILROAD
.2 MI NORTH OF RT 99, Middlesex, CT
Built 1967 Load: 50.6 t ADT: 33,400
Showing 2,551-2,600 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 |