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 80
FairOver: CHATFIELD HOLLOW BROOK
1.3 MI W OF ROUTE 81, Middlesex, CT
Built 1935 Load: 33.6 t ADT: 5,000
GRISTMILL RD
FairOver: MOODUS RIVER
0.25 MI W OF ROUTE 149, Middlesex, CT
Built 1956 Load: 33.6 t ADT: 150
ROUTE 102
FairOver: COOPER POND BROOK
JCT OF RTE 7 AND RTE 102, Fairfield, CT
Built 1958 Load: 33.7 t ADT: 5,200
ROUTE 25 SOUTHBOUN
FairOver: PEQUONNOCK RIVER
0.7 MI S OF ROUTE 111, Fairfield, CT
Built 1979 Load: 33.7 t ADT: 17,300
ROUTE 15 TR 807
FairOver: PEQUONNOCK RIVER
ROUTE 15 SB EXIT 49, Fairfield, CT
Built 1980 Load: 33.7 t ADT: 7,200
US ROUTE 7
FairOver: NORWALK RIVER
BEFORE EXIT 3 - RTE 7 NB, Fairfield, CT
Built 1991 Load: 33.7 t ADT: 39,600
INTERSTATE-91 NB
FairOver: PROVIDENCE& WORCESTER RR
0.1 MI N OF ROCKY HILL TL, Hartford, CT
Built 1964 Load: 33.7 t ADT: 64,400
INTERSTATE-91 SB
FairOver: PROVIDENCE& WORCESTER RR
0.1 MI N OF ROCKY HILL TL, Hartford, CT
Built 1964 Load: 33.7 t ADT: 65,600
ROUTE 175
FairOver: CTFASTRAK BUSWAY
.2 MI E OF NEW BRITAIN TL, Hartford, CT
Built 2014 Load: 33.7 t ADT: 27,900
US ROUTE 44 EB
FairOver: JIM BROOK
0.9 MILE WEST OF RTE. 167, Hartford, CT
Built 2004 Load: 33.7 t ADT: 26,800
ROUTE 8 NORTHBOUND
FairOver: NAUGATUCK RAILROAD CO.
0.4 MI N OF ROUTE 222, Litchfield, CT
Built 1966 Load: 33.7 t ADT: 11,800
ROUTE 9 NORTHBOUND
FairOver: NEDOBITY ROAD
2.9 MI N OF ROUTE 81, Middlesex, CT
Built 1965 Load: 33.7 t ADT: 17,100
INTERSTATE-691
FairOver: AMTRAK YARD & STATE ST
1.9 MI WEST OF ROUTE 91, New Haven, CT
Built 1970 Load: 33.7 t ADT: 75,500
NEW ROAD
FairOver: MILL RIVER
0.5 MI S OF SR 453, New Haven, CT
Built 1935 Load: 33.7 t ADT: 1,125
MURPHY ROAD
FairOver: SUSQUETONSCUT BROOK
900' NORTH OF ROUTE 87, New London, CT
Built 2001 Load: 33.7 t ADT: 1,550
MASON LANE
FairOver: STREAM
0.5 MI EAST OF BATTLE ST., Tolland, CT
Built 2008 Load: 33.7 t ADT: 106
INTERSTATE-95
FairOver: KEELER AVENUE
1.0 MI N OF US ROUTE 1, Fairfield, CT
Built 1956 Load: 34.0 t ADT: 115,900
INTERSTATE 95
FairOver: BROAD STREET
0.2 MI N OF ROUTE 8, Fairfield, CT
Built 1959 Load: 34.0 t ADT: 102,700
ROUTE 57
FairOver: WEST BRANCH SAUGATUCK RI
250 FT N OF ROUTE 53, Fairfield, CT
Built 2015 Load: 34.0 t ADT: 6,200
ROUTE 8 NORTHBOUND
FairOver: FARMILL RV & BEARD SAWM
N OF ROUTE 8 EXIT 12, Fairfield, CT
Built 1975 Load: 34.0 t ADT: 32,300
ROUTE 8 SOUTHBOUND
FairOver: FARMILL RV & BEARD SAWM
N OF ROUTE 8 EXIT 12, Fairfield, CT
Built 1975 Load: 34.0 t ADT: 33,400
STURGES ROAD
FairOver: MILL RIVER
JCT OF MILL HILL TERRACE, Fairfield, CT
Built 1935 Load: 34.0 t ADT: 4,140
ROUTE 71A
FairOver: MATTABESSET RIVER
0.5 MILE N OF ROUTE 71, Hartford, CT
Built 1935 Load: 34.0 t ADT: 7,100
ROUTE 9 SOUTHBOUND
FairOver: SOUTH STREET
1/4 MILE NORTH BERLIN TL, Hartford, CT
Built 1969 Load: 34.0 t ADT: 38,300
FLOOD ROAD
FairOver: DICKINSON CREEK
1.3 MILES EAST OF RTE 66, Hartford, CT
Built 1950 Load: 34.0 t ADT: 200
ROUTE 175
FairOver: MILL BROOK
475 FT EAST OF ROUTE 173, Hartford, CT
Built 1984 Load: 34.0 t ADT: 24,800
EAST ROAD
FairOver: MOUNTAIN BROOK
500 FEET EAST OF ROUTE 69, Hartford, CT
Built 2011 Load: 34.0 t ADT: 3,162
ROUTE 9 SOUTHBOUND
FairOver: NEDOBITY ROAD
2.9 MI N of RT 81, Middlesex, CT
Built 1965 Load: 34.0 t ADT: 18,300
ROUTE 63
FairOver: WEST RIVER
105 FT N OF ROUTE 10, New Haven, CT
Built 1921 Load: 34.0 t ADT: 23,100
INTERSTATE-691 WB
FairOver: RESERVOIR AVE & STREAM
0.9 MI EAST OF RT 322, New Haven, CT
Built 1971 Load: 34.0 t ADT: 35,200
LAKE AVENUE
FairOver: HORSENECK BROOK
100 FT N OF WOODDALE RD, Fairfield, CT
Built 1987 Load: 34.2 t ADT: 4,500
ROUTE 15
FairOver: HUNTINGTON ROAD
0.7 MI N OF ROUTE 8, Fairfield, CT
Built 1940 Load: 34.3 t ADT: 80,000
INTERSTATE 84
FairOver: FRANKLIN STREET
0.5 MILES WEST ROUTE 39, Fairfield, CT
Built 1962 Load: 34.3 t ADT: 116,800
ROUTE 107
FairOver: METRO-NORTH RAILROAD
.3 MI N. OF US ROUTE 7, Fairfield, CT
Built 1954 Load: 34.3 t ADT: 10,400
INTERSTATE-291 WB
FairOver: AMTRAK & BIKE PATH
.5 MI E. OF ROUTE 159 JCT, Hartford, CT
Built 1958 Load: 34.3 t ADT: 33,050
INTERSTATE-91
FairOver: GREAT MEADOW ROAD
1.2 MILE S OF HARTFORD TL, Hartford, CT
Built 1964 Load: 34.3 t ADT: 106,700
CENTRAL STREET #2
FairOver: PEQUABUCK RIVER
AT JUNCTION WITH ROUTE 72, Hartford, CT
Built 1956 Load: 34.3 t ADT: 9,792
US ROUTE 202
FairOver: EAST ASPETUCK RIVER
.5 MI N OF NEW MILFORD TL, Litchfield, CT
Built 1933 Load: 34.3 t ADT: 6,900
Under Mountain Roa
FairOver: Wangum Lake Brook
EAST OF COBBLE ROAD, Litchfield, CT
Built 1956 Load: 34.3 t ADT: 238
ROUTE 9 SOUTHBOUND
FairOver: BEAVER MEADOW ROAD
0.19 MI S OF EXIT 8 SB, Middlesex, CT
Built 1967 Load: 34.3 t ADT: 15,100
ROUTE 67
FairOver: JACKS BROOK
0.1 MI W OF ROUTE 42, New Haven, CT
Built 1933 Load: 34.3 t ADT: 13,900
EAST ROCK ROAD
FairOver: MILL RIVER
AT JUNCT W FARNUM DRIVE, New Haven, CT
Built 1900 Load: 34.3 t ADT: 1,365
SR 729
FairOver: QUINNIPIAC RIVER
105 FT E OF US ROUTE 5, New Haven, CT
Built 1989 Load: 34.3 t ADT: 7,600
INTERSTATE-95
FairOver: MENUNKETESUCK RIVER
0.4 MI S OF ROUTE 145, New London, CT
Built 1957 Load: 34.3 t ADT: 50,900
US ROUTE 1
FairOver: QUIAMBAUG COVE
1.5 MI N OF ROUTE 27, New London, CT
Built 1960 Load: 34.3 t ADT: 6,900
INTERSTATE-95 SB
FairOver: BUDDINGTON ROAD
1.4 MI N OF ROUTE 12, New London, CT
Built 1964 Load: 34.3 t ADT: 30,500
COLUMBUS AVENUE
FairOver: HARBOR BROOK
280 FT S OF HANOVER ST, New Haven, CT
Built 1992 Load: 34.4 t ADT: 600
SCHOOL HOUSE HILL
FairOver: HOUSATONIC RAILROAD
500' EAST OF JCT BLVD RD, Fairfield, CT
Built 1991 Load: 34.5 t ADT: 949
BULLS BRIDGE ROAD
FairOver: HOUSATONIC RIVER
NEAR N.U. CANAL, Litchfield, CT
Built 1842 Load: 34.5 t ADT: 400
WELLS ROAD
FairOver: EAST ASPETUCK RIVER
OFF WELLSVILLE AVE, Litchfield, CT
Built 1992 Load: 34.5 t ADT: 1,202
Showing 1,801-1,850 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 |