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 156
FairOver: DUCK RIVER
1.0 MI E OF US ROUTE 1, New London, CT
Built 1961 Load: 62.3 t ADT: 5,400
I-91 RAMP 136
FairOver: HUMPHREY STREET
1.1 MI N OF I-95, New Haven, CT
Built 1965 Load: 62.4 t ADT: 10,000
ROUTE 15
FairOver: QUINNIPIAC STREET
0.7 MI N OF NO HAVEN T.L, New Haven, CT
Built 1947 Load: 62.5 t ADT: 66,900
ROUTE 12
FairOver: PROV & WORC RAILROAD
1.4 MI NORTH OF ROUTE 200, Windham, CT
Built 1985 Load: 62.6 t ADT: 4,000
POND HILL ROAD
FairOver: HOWELL BROOK
0.5 MILE NORTH OF SSR 488, Hartford, CT
Built 2002 Load: 62.8 t ADT: 403
RT 106/WOLFPIT RD
FairOver: METRO-NORTH RAILROAD
OFF US ROUTE 7, Fairfield, CT
Built 1980 Load: 62.9 t ADT: 5,900
ROUTE 14
FairOver: NATCHAUG RIVER
0.2 MI EAST OF ROUTE 66, Windham, CT
Built 1986 Load: 62.9 t ADT: 6,300
ROUTE 8 SOUTHBOUND
FairOver: MAIN STREET NO. 3 NB
1.5 MI. NORTH OF I-95, Fairfield, CT
Built 1970 Load: 63.2 t ADT: 4,600
US ROUTE 1
FairOver: BETTS POND BROOK
0.1 MI S OF ROUTE 53, Fairfield, CT
Built 1975 Load: 63.2 t ADT: 10,500
ROUTE 2 WESTBOUND
FairOver: JEREMY RIVER
0.4 MILE OF ROUTE 149, New London, CT
Built 1959 Load: 63.2 t ADT: 17,100
HOSLEY AVENUE
FairOver: AMTRAK RAILROAD
200' S OF INTERSTATE-95, New Haven, CT
Built 1887 Load: 63.4 t ADT: 340
ROUTE 140
FairOver: MIDDLE RIVER
.2 MI W OF RT 32 & RT 190, Tolland, CT
Built 1935 Load: 63.4 t ADT: 1,900
ROUTE 272
FairOver: HALL MEADOW BROOK
0.5 MI N OF TORRINGTON TL, Litchfield, CT
Built 1961 Load: 63.5 t ADT: 1,100
INTERSTATE-91 SB
FairOver: BALDWIN AVENUE
.74 MI NO I-691 & RTE 66, New Haven, CT
Built 1964 Load: 63.5 t ADT: 53,500
ROUTE 32
FairOver: WILLIMANTIC RIVER
ON WILLINGTON TOWN LINE, Tolland, CT
Built 1954 Load: 63.5 t ADT: 8,100
ROUTE 3
FairOver: MATTABESSET RIVER
ADJ TO JUNC RTE 3 & 372, Middlesex, CT
Built 1933 Load: 63.8 t ADT: 15,300
INTERSTATE-91
FairOver: CLINTON AVENUE
2.1 MI N OF I-95, New Haven, CT
Built 1965 Load: 63.8 t ADT: 137,300
HUNTINGDON AVENUE
FairOver: DOT RAILROAD
.3 M WEST OF ROUTE 847, New Haven, CT
Built 1956 Load: 63.8 t ADT: 24,900
SR 598 & LOCAL RDS
FairOver: PARK RIVER CONDUIT
BENEATH ROUTE 598, Hartford, CT
Built 1940 Load: 64.0 t ADT: 32,300
ROCK HOUSE ROAD #1
FairOver: ASPETUCK RIVER
0.3 MI W OF VALLEY ROAD, Fairfield, CT
Built 1975 Load: 64.2 t ADT: 900
ROUTE 156
FairOver: LIEUTENANT RIVER
0.5 MI E OF I-95, New London, CT
Built 1961 Load: 64.2 t ADT: 7,600
SR 597 SB
FairOver: QUINNIPIAC RIVER
EXIT 29 INTERSTATE-84 WB, Hartford, CT
Built 1963 Load: 64.4 t ADT: 4,800
INTERSTATE-84 EB
FairOver: BUCKLAND STREET
2.8 MI WEST OF VERNON TL, Hartford, CT
Built 1985 Load: 64.4 t ADT: 56,350
I-84 EB COLLECTOR
FairOver: WASHINGTON STREET
VICINITY OF EXIT 23, New Haven, CT
Built 1978 Load: 64.4 t ADT: 20,600
ABNER LANE
FairOver: POND MEADOW BROOK
0.1 MI W OF ROUTE 148, Middlesex, CT
Built 1998 Load: 64.9 t ADT: 119
ROUTE 15
FairOver: UNITY ROAD
1.1 MILES SOUTH OF RTE 8, Fairfield, CT
Built 1940 Load: 65.3 t ADT: 86,100
SR 840 (WHITE TURK
FairOver: STILL RIVER
.15 MI N OF SR 805 JCT., Fairfield, CT
Built 1977 Load: 65.4 t ADT: 16,200
POND MEADOW ROAD
FairOver: FALLS RIVER
0.2 MI S OF MAIN ST NO 2, Middlesex, CT
Built 1980 Load: 65.4 t ADT: 1,100
INTERSTATE-91 NB
FairOver: BEE STREET
.2 MI SOUTH OF I-691 EB, New Haven, CT
Built 1965 Load: 65.4 t ADT: 22,500
SR 642
FairOver: YANTIC RIVER
1.7 MI WEST OF ROUTE 32, New London, CT
Built 1938 Load: 65.7 t ADT: 9,300
NYALA FARM ROAD
FairOver: MUDDY BROOK
0.1 MILE EAST OF SSR 476, Fairfield, CT
Built 1978 Load: 66.1 t ADT: 4,270
INTERSTATE-95
FairOver: ELM STREET
0.8 MI N OF US ROUTE 1, Middlesex, CT
Built 1957 Load: 66.4 t ADT: 24,000
ROUTE 171
FairOver: SAW MILL BROOK
0.5 MILE WEST OF RTE 169, Windham, CT
Built 1951 Load: 66.8 t ADT: 10,400
ROUTE 32 SB
FairOver: WILLIAMS STREET NO 1
0.2 MI S OF I-95, New London, CT
Built 1975 Load: 67.2 t ADT: 10,500
MCDERMOTT ROAD
FairOver: LITTLE RIVER
0.47 M. S OF Rte 103, New Haven, CT
Built 1960 Load: 67.4 t ADT: 335
RICHMOND HILL AVE
FairOver: RIPPOWAM RIVER
OPP GREENWICH AVE, Fairfield, CT
Built 1957 Load: 67.7 t ADT: 10,200
WINCHESTER ROAD
FairOver: BAKERSVILLE BROOK
.2 MI W OF MAPLE HOLLOWRD, Litchfield, CT
Built 1955 Load: 67.9 t ADT: 398
ROUTE 67
FairOver: LITTLE RIVER
0.6 MILE WEST OF ROUTE 8, New Haven, CT
Built 1934 Load: 67.9 t ADT: 17,200
MINOR BRIDGE ROAD
FairOver: SHEPAUG RIVER
PARK OFF SOUTH STREET, Litchfield, CT
Built 1962 Load: 68.0 t ADT: 800
INTERSTATE 84
FairOver: ROCKWELL ROAD
.2 MI WEST OF US 7,EXIT 7, Fairfield, CT
Built 1962 Load: 68.4 t ADT: 120,000
INTERSTATE-84 WB
FairOver: SLATER STREET
0.6 MILE WEST OF EXIT 63, Hartford, CT
Built 1984 Load: 68.8 t ADT: 63,300
INTERSTATE-84 EB
FairOver: SLATER STREET
0.6 MILE WEST OF EXIT 63, Hartford, CT
Built 1984 Load: 68.9 t ADT: 63,300
SR 608
FairOver: YANTIC RIVER
0.49 MI WEST OF SR 612, New London, CT
Built 1934 Load: 68.9 t ADT: 3,200
INTERSTATE-91
FairOver: BRAINARD ROAD
0.5 MILE SOUTH OF EXIT 49, Hartford, CT
Built 1960 Load: 69.0 t ADT: 85,900
I-84 RAMPS & LOCAL
FairOver: PARK RIVER CONDUIT
SO BRANCH - ARMORY PUMP, Hartford, CT
Built 1964 Load: 69.0 t ADT: 33,900
I-84 RAMPS 203,204
FairOver: TROUT BROOK
150'N TROUT BROOK DRIVE, Hartford, CT
Built 1965 Load: 69.3 t ADT: 2,800
ROUTE 176
FairOver: MILL BROOK
0.2 MI NO OF STODDARD AVE, Hartford, CT
Built 1990 Load: 69.3 t ADT: 9,000
ROUTE 32
FairOver: MIDDLE RIVER
250 FT SOUTH OF ROUTE 190, Tolland, CT
Built 1952 Load: 69.7 t ADT: 4,400
US ROUTE 6
FairOver: BLACKMANS BROOK
1.24 MI WEST COLUMBIA TL, Tolland, CT
Built 2000 Load: 69.7 t ADT: 10,600
ROUTE 9 NORTHBOUND
FairOver: MATTABESSET RIVER
1.5 MI SOUTH OF ROUTE 72, Middlesex, CT
Built 1988 Load: 69.8 t ADT: 32,900
Showing 2,851-2,900 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 |