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
WASHINGTON AVE #3
FairOver: NAUGATUCK RIVER
0.2 MI E OF RT 8 SB EX.30, New Haven, CT
Built 1956 Load: 40.5 t ADT: 6,000
ROUTE 8
FairOver: METRO-NRTH RR&PRIVATE RD
.4 MILES NORTH OF EXIT 23, New Haven, CT
Built 1981 Load: 40.5 t ADT: 47,700
JONES ROAD
FairOver: TEN MILE RIVER
100' N OF JCT COOK HLL RD, New London, CT
Built 2002 Load: 40.5 t ADT: 59
INTERSTATE-395 NB
FairOver: PROV & WORC RAILROAD
2.3 MI NORTH OF ROUTE 101, Windham, CT
Built 1968 Load: 40.5 t ADT: 16,700
INTERSTATE-395 SB
FairOver: ABANDONED RAILROAD
APPROX 1 MILE SOUTH EX100, Windham, CT
Built 1968 Load: 40.5 t ADT: 10,100
ROUTE 9 NORTHBOUND
FairOver: FLORAL PARK ROAD
0.7 MI N OF I-95, Middlesex, CT
Built 1966 Load: 40.6 t ADT: 14,400
INTERSTATE-95
FairOver: SHORE ROAD # 1
WEST OF EXIT 3, Fairfield, CT
Built 1958 Load: 40.8 t ADT: 109,200
ROUTE 8 SOUTHBOUND
FairOver: GRAND STREET
1.6 MI N OF I-95, Fairfield, CT
Built 1969 Load: 40.8 t ADT: 44,200
ROUTE 106
FairOver: SILVERMINE RIVER
WILTON - NEW CANAAN TL, Fairfield, CT
Built 1990 Load: 40.8 t ADT: 2,900
US ROUTE 1
FairOver: SAUGATUCK RIVER
50 FT EAST OF JUNCTION 33, Fairfield, CT
Built 1992 Load: 40.8 t ADT: 18,800
I-91 & TR 841
FairOver: CONNECTICUT SOUTHERN RR
N ENTRANCE AT PED. BRIDGE, Hartford, CT
Built 1950 Load: 40.8 t ADT: 108,100
I-84 TR 824
FairOver: PARKING LOT
ON RAMP SISSON TO I-84 WB, Hartford, CT
Built 1969 Load: 40.8 t ADT: 4,100
ROUTE 72 NORTHBOUN
FairOver: WOOSTER STREET
0.1 MILE SOUTH OF I-84, Hartford, CT
Built 1970 Load: 40.8 t ADT: 34,100
SR 508
FairOver: PATRICK FLOOD ROAD
0.5 MI W OF I-84, Hartford, CT
Built 1972 Load: 40.8 t ADT: 34,900
MAIN STREET
FairOver: PIPER BROOK
250' NORTH OF FRANCIS AVE, Hartford, CT
Built 1986 Load: 40.8 t ADT: 8,750
ROUTE 272
FairOver: W BR NAUGATUCK RIVER
2 MILES NORTH OF ROUTE 4, Litchfield, CT
Built 1957 Load: 40.8 t ADT: 1,300
SODOM ROAD
FairOver: KONKAPOT RIVER
500' S OF OLD TPKE N JCT, Litchfield, CT
Built 1956 Load: 40.8 t ADT: 408
POTHIER ROAD
FairOver: NICKEL MINE BROOK
0.5 MILE NORTH OF ROUTE 4, Litchfield, CT
Built 1910 Load: 40.8 t ADT: 380
ROUTE 3
FairOver: COGINCHAUG RIVER
0.2 MI NORTH OF JCT RT 66, Middlesex, CT
Built 1974 Load: 40.8 t ADT: 14,700
ROUTE 9 NORTHBOUND
FairOver: WEST BRIDGE STREET
0.2 MI NORTH OF ROUTE 80, Middlesex, CT
Built 1967 Load: 40.8 t ADT: 13,900
ROUTE 154
FairOver: BIBLE ROCK BROOK
0.7 MI S OF SSR 410, Middlesex, CT
Built 1939 Load: 40.8 t ADT: 17,500
INTERSTATE 95 SOUT
FairOver: CONNECTICUT RV, FERRY RD
.72 MI. W. OF ROUTE 156, Middlesex, CT
Built 1993 Load: 40.8 t ADT: 36,400
ROUTE 34
FairOver: NAUGATUCK RIVER
0.1 MI E OF ROUTE 8, New Haven, CT
Built 1959 Load: 40.8 t ADT: 33,800
INTERSTATE-395
FairOver: OLD COLCHESTER ROAD
2.5 MI N ROUTE 85, New London, CT
Built 1958 Load: 40.8 t ADT: 30,700
ROUTE 12
FairOver: FIVE MILE RIVER
1.6 MILE NO. OF ROUTE 101, Windham, CT
Built 1937 Load: 40.8 t ADT: 5,100
ROUTE 169
FairOver: CORY BROOK
1 MI S OF SR 668, Windham, CT
Built 1931 Load: 40.8 t ADT: 3,300
ROUTE 205
FairOver: QUINEBAUG RIVER & CANAL
.5 MILE NORTH OF ROUTE 12, Windham, CT
Built 1959 Load: 40.8 t ADT: 4,300
INTERSTATE-91 SB
FairOver: SMITH STREET
1.49 MI SOUTH OF RTE 372, Middlesex, CT
Built 1965 Load: 41.0 t ADT: 53,400
US ROUTE 44
FairOver: KNOWLTON BROOK
.7 MI WEST OF ROUTE 74, Windham, CT
Built 1929 Load: 41.0 t ADT: 3,000
US ROUTE 7 NB
FairOver: CONNECTICUT AVE
0.6 MI N OF I-95, Fairfield, CT
Built 1970 Load: 41.1 t ADT: 27,400
BALD HILL ROAD
FairOver: E BR SILVERMINE RIVER
WEST OF ROUTE 33, Fairfield, CT
Built 1966 Load: 41.1 t ADT: 130
ROUTE 372
FairOver: MATTABESSET RIVER
100' WEST OF SEYMOUR ROAD, Hartford, CT
Built 1942 Load: 41.1 t ADT: 9,100
SOUTH QUAKER LN #1
FairOver: TROUT BROOK
0.5 MILE NORTH OF RTE 173, Hartford, CT
Built 1957 Load: 41.1 t ADT: 21,505
ROUTE 315
FairOver: FARMINGTON RIVER
.2 MI E OF ROUTE 10 & 202, Hartford, CT
Built 1992 Load: 41.1 t ADT: 7,900
FARNAM ROAD
FairOver: SALMON CREEK
500' W OF SALMON KILL RD, Litchfield, CT
Built 2001 Load: 41.1 t ADT: 400
ROUTE 8
FairOver: ABANDONED RAILROAD
0.4 MI N OF ROUTE 34, New Haven, CT
Built 1951 Load: 41.1 t ADT: 73,900
RACE HILL ROAD #1
FairOver: WEST RIVER
100 FT E OF ROUTE 77, New Haven, CT
Built 2002 Load: 41.1 t ADT: 379
PINE ORCHARD ROAD
FairOver: AMTRAK RAILROAD
0.6 MI N. OF ROUTE 146, New Haven, CT
Built 1988 Load: 41.1 t ADT: 1,000
NORTH WILTON ROAD
FairOver: SILVERMINE RIVER
500' WEST OF VALLEY ROAD, Fairfield, CT
Built 1956 Load: 41.2 t ADT: 1,130
INTERSTATE 91 NORT
FairOver: FARMINGTON RIVER
.6 MILE NORTH OF ROUTE 75, Hartford, CT
Built 1958 Load: 41.2 t ADT: 64,100
WILTON ROAD
FairOver: WILTON POND
OVER WILTON POND @ DAM, Litchfield, CT
Built 1998 Load: 41.2 t ADT: 206
ROUTE 153
FairOver: AMTRAK RAILROAD
0.3 MI S OF I-95, Middlesex, CT
Built 1933 Load: 41.2 t ADT: 6,200
ROUTE 17
FairOver: ALLYNS BROOK
0.6 MI N. OF ROUTE 79, Middlesex, CT
Built 1995 Load: 41.2 t ADT: 15,200
ROUTE 9 NORTHBOUND
FairOver: CEDAR GROVE TERRACE
0.5 MI S OF ROUTE 153, Middlesex, CT
Built 1966 Load: 41.3 t ADT: 17,100
I-95 TR 803
FairOver: MNRR & CRESCENT ST
ROUTE I-95 SB EXIT 15, Fairfield, CT
Built 1970 Load: 41.4 t ADT: 16,400
ROUTE 72
FairOver: POLAND RIVER
1 MILE SOUTH HARWINTON TL, Litchfield, CT
Built 1927 Load: 41.4 t ADT: 2,700
SR 612
FairOver: FITCHVILLE POND
0.5 MI NORTH OF ROUTE 2, New London, CT
Built 2002 Load: 41.4 t ADT: 2,000
ROUTE 2 RAMP 028
FairOver: DARK HOLLOW BROOK
ROUTE 2 WB EXIT 11 RAMP, Hartford, CT
Built 1964 Load: 41.5 t ADT: 400
INTERSTATE-84 WB
FairOver: PARK STREET
.59 MI EAST OF JCT SR 504, Hartford, CT
Built 1969 Load: 41.5 t ADT: 64,800
SR 503 WESTBOUND
FairOver: FOREST ST & PARKING LOT
.23MI E OF JCT SISSON AVE, Hartford, CT
Built 1969 Load: 41.5 t ADT: 9,100
Showing 2,151-2,200 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 |