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
HIGHLAND AVE NO 1
FairOver: METRO NORTH RAILROAD
0.9 MI N OF ROUTE 136, Fairfield, CT
Built 1982 Load: 39.5 t ADT: 4,200
HILLS POINT ROAD
FairOver: METRO NORTH RAILROAD
100 FT S OF I-95, Fairfield, CT
Built 1900 Load: 39.5 t ADT: 4,350
INTERSTATE-84 EB
FairOver: ABANDONED B&M RR
0.2 MI West of Exit 32, Hartford, CT
Built 1963 Load: 39.5 t ADT: 40,800
INTERSTATE-91 SB
FairOver: LEIBERT ROAD
0.5 MILE SOUTH OF EXIT 33, Hartford, CT
Built 1991 Load: 39.5 t ADT: 76,500
ROUTE 222
FairOver: NAUGATUCK RAILROAD CO.
ROUTE 222 OVER RAILROAD, Litchfield, CT
Built 1960 Load: 39.5 t ADT: 900
ROUTE 9 SOUTHBOUND
FairOver: MATTABESSET RIVER
0.28 MI NORTH OF ROUTE 66, Middlesex, CT
Built 1960 Load: 39.5 t ADT: 34,600
INTERSTATE-95
FairOver: METRO NORTH RAILROAD
0.1 M S OF EX 35, I-95, New Haven, CT
Built 1957 Load: 39.5 t ADT: 95,100
I-91 132,134,136
FairOver: STATE STREET
0.1 MI E OF ORANGE STREET, New Haven, CT
Built 1965 Load: 39.5 t ADT: 20,800
OLD STATE ROAD #3
FairOver: LITTLE RIVER
100' EAST OF JCT RT 67&42, New Haven, CT
Built 2001 Load: 39.5 t ADT: 407
CHAPEL STREET
FairOver: MILL RIVER
500' EAST OF EAST STREET, New Haven, CT
Built 1992 Load: 39.5 t ADT: 7,794
SR 668 - BUTTS BRI
FairOver: QUINEBAUG RIVER
0.4 MI FROM ROUTE 169, Windham, CT
Built 1937 Load: 39.5 t ADT: 2,200
SOUTH MAIN STREET
FairOver: CANAL
1000 FT SOUTH OF ROUTE 14, Windham, CT
Built 1950 Load: 39.5 t ADT: 5,500
ROUTE 17 RAMP 007
FairOver: NEW LONDON TURNPIKE
0.26 MI S JCT ROUTE 17 SB, Hartford, CT
Built 1952 Load: 39.6 t ADT: 3,100
I84 TR836 &BIKEWAY
FairOver: HOCKANUM RIVER & BIKEWAY
.45M N OF EXIT 59 I-84 WB, Hartford, CT
Built 1987 Load: 39.7 t ADT: 17,200
EAST STREET SOUTH
FairOver: BANTAM RIVER
500' NO. OF RESERVOIR RD, Litchfield, CT
Built 1956 Load: 39.7 t ADT: 585
WESTFIELD ROAD
FairOver: HARBOR BROOK
0.3 MI E OF US ROUTE 5, New Haven, CT
Built 1938 Load: 39.8 t ADT: 2,700
ROUTE 216
FairOver: GREEN FALLS RIVER
1.0 MI E OF ROUTE 49, New London, CT
Built 1965 Load: 39.8 t ADT: 900
ROUTE 83
FairOver: SCANTIC RIVER
0.1 MI SOUTH OF MASS S.L., Tolland, CT
Built 1927 Load: 39.8 t ADT: 2,900
ROUTE 8 SOUTHBOUND
FairOver: ARMSTRONG ROAD
2.5 MI N OF ROUTE 15, Fairfield, CT
Built 1975 Load: 39.9 t ADT: 33,300
ROUTE 8
FairOver: PROSPECT STREET
0.4 MI N OF I-95, Fairfield, CT
Built 1968 Load: 39.9 t ADT: 83,400
I-95 NB Exit 8 Off
FairOver: Atlantic Street
I-95 NB Exit 8 Off Ramp, Fairfield, CT
Built 2015 Load: 39.9 t ADT: 10,600
INTERSTATE-84 EB
FairOver: MARION AVENUE
INTERSTATE 84 AT EXIT 30, Hartford, CT
Built 1963 Load: 39.9 t ADT: 46,700
INTERSTATE 691 WES
FairOver: SOUTH END ROAD
1 MILE EAST OF ROUTE 10, Hartford, CT
Built 1984 Load: 39.9 t ADT: 28,000
GROVE STREET
FairOver: HOUSATONIC RIVER
0.25 MILE EAST OF ROUTE 7, Litchfield, CT
Built 1977 Load: 39.9 t ADT: 7,900
WELLSVILLE AVENUE
FairOver: EAST ASPETUCK RIVER
0.3 MI S OF PAPER MILL RD, Litchfield, CT
Built 1937 Load: 39.9 t ADT: 4,097
INTERSTATE-91 SB
FairOver: NORTH ROAD
0.68 MI NORTH OF RTE 372, Middlesex, CT
Built 1965 Load: 39.9 t ADT: 58,900
INTERSTATE 84 WB
FairOver: LONG MEADOW ROAD
1.3 MI E MDBY-SOBRY TL, New Haven, CT
Built 1964 Load: 39.9 t ADT: 36,800
ROUTE 32
FairOver: SMITH COVE
1.3 MI S OF SR 693, New London, CT
Built 1940 Load: 39.9 t ADT: 16,100
BRICKYARD ROAD
FairOver: QUINEBAUG RIVER
3 MI SOUTH OF ROUTE 131, Windham, CT
Built 1956 Load: 39.9 t ADT: 208
WESLEY AVENUE
FairOver: PATCHOGUE RIVER
500 FT N OF US ROUTE 1, Middlesex, CT
Built 1991 Load: 40.0 t ADT: 300
KIRKHAM STREET
FairOver: AMTRAK RAILROAD
0.5 MI S. OF ROUTE 146, New Haven, CT
Built 1892 Load: 40.0 t ADT: 5,000
GOOSENECK HILL RD
FairOver: CORY BROOK
0.5 MI WEST OF ROUTE 169, Windham, CT
Built 1940 Load: 40.0 t ADT: 414
ROUTE 222
FairOver: NAUGATUCK RIVER
0.4 MI NORTH OF MAIN ST, Litchfield, CT
Built 1960 Load: 40.1 t ADT: 900
ROUTE 9 NORTHBOUND
FairOver: HUBBARD ROAD
1.0 MI S OF ROUTE 81, Middlesex, CT
Built 1966 Load: 40.1 t ADT: 15,600
ROUTE 9 SOUTHBOUND
FairOver: CEDAR LAKE ROAD
3/4 MI. NO OF CHESTER TL, Middlesex, CT
Built 1967 Load: 40.1 t ADT: 15,500
ROUTE 372 (CORBIN
FairOver: PAN AM RAILROAD
.1 MI SOUTH OF ROUTE 555, Hartford, CT
Built 1989 Load: 40.2 t ADT: 20,300
ROUTE 159
FairOver: FARMINGTON RIVER
0.4 MILE NORTH OF RTE 75, Hartford, CT
Built 1991 Load: 40.2 t ADT: 6,600
ROUTE 222
FairOver: NAUGATUCK RIVER OVERFLOW
0.2 MILE NORTH OF ROUTE 6, Litchfield, CT
Built 1958 Load: 40.2 t ADT: 8,300
ROUTE 8 SOUTHBOUND
FairOver: KENNEDY DRIVE
AT EXIT 45, Litchfield, CT
Built 1967 Load: 40.2 t ADT: 8,400
ROUTE 9 SOUTHBOUND
FairOver: TURKEY HILL ROAD
0.6 MI N OF ROUTE 82, Middlesex, CT
Built 1967 Load: 40.2 t ADT: 15,500
RUSSELL STREET
FairOver: SUMNER BROOK
150 FT W OF E MAIN ST, Middlesex, CT
Built 1935 Load: 40.2 t ADT: 3,366
ROUTE 243
FairOver: RACE BROOK
0.6 MILE WEST ROUTE 313, New Haven, CT
Built 1996 Load: 40.2 t ADT: 3,100
ROUTE 8 SOUTHBOUND
FairOver: METRO NORTH RAILROAD
.7 MI N OF NAUG./WTBY TL, New Haven, CT
Built 1966 Load: 40.2 t ADT: 25,800
ROUTE 11 SB
FairOver: WITCH MEADOW ROAD
2.72 MI NORTH OF RTE 82, New London, CT
Built 1971 Load: 40.2 t ADT: 4,400
MERROW ROAD
FairOver: WILLIMANTIC RIVER
750 FT FROM JCT ROUTE 32, Tolland, CT
Built 1956 Load: 40.2 t ADT: 700
RHODE ISLND LINE R
FairOver: MARY BROWN BROOK
0.2 MILE EAST OF ROUTE 44, Windham, CT
Built 1987 Load: 40.2 t ADT: 105
INTERSTATE-91 NB
FairOver: CSX RAILROAD
2.3 MI N OF ROUTE 17, New Haven, CT
Built 1965 Load: 40.3 t ADT: 58,600
ROUTE 68
FairOver: HOP BROOK
AT JUNCTION WITH ROUTE 63, New Haven, CT
Built 1933 Load: 40.4 t ADT: 10,800
ROUTE 103
FairOver: MUDDY RIVER
1.2 MI N0 MONTOWESE AVE, New Haven, CT
Built 1961 Load: 40.5 t ADT: 7,700
ROUTE 8 NORTHBOUND
FairOver: NICHOLS DRIVE
1.3 MILE NORTH OF EXIT 29, New Haven, CT
Built 1965 Load: 40.5 t ADT: 27,000
Showing 2,101-2,150 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 |