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 157
FairOver: ASMUN BROOK
0.1 MI N OF ROUTE 68, Middlesex, CT
Built 1920 Load: 29.2 t ADT: 4,100
INTERSTATE-91 NB
FairOver: SMITH STREET
1.49 MI SOUTH OF RTE 372, Middlesex, CT
Built 1965 Load: 29.2 t ADT: 55,300
ROUTE 8 SOUTHBOUND
FairOver: PORTER STREET
1 MI SOUTH OF I-84 INTER., New Haven, CT
Built 1965 Load: 29.2 t ADT: 25,600
INTERSTATE-395
FairOver: PACHAUG RIVER
.3 MI SOUTH OF ROUTE 201, New London, CT
Built 1958 Load: 29.2 t ADT: 32,500
FITZGERALD ROAD
FairOver: BLACKWELL BROOK
.5 MILES NORTH OF ROUTE 6, Windham, CT
Built 1986 Load: 29.2 t ADT: 458
ROUTE 159
FairOver: STONY BROOK
1 MI NO OF WINDSOR LKS TL, Hartford, CT
Built 1929 Load: 29.3 t ADT: 6,600
ROUTE 82
FairOver: RUTH HILL RD&ROARING BK
1 MI W OF ROUTE 154, Middlesex, CT
Built 1971 Load: 29.4 t ADT: 7,600
INTERSTATE-95
FairOver: ELM STREET
I-95 EXIT NOS. 7 & 8, Fairfield, CT
Built 1958 Load: 29.5 t ADT: 106,900
US ROUTE 1, ROUTE
FairOver: TURNEY'S CREEK
JCT RTE 130 & OLD POST RD, Fairfield, CT
Built 1975 Load: 29.5 t ADT: 9,700
ROUTE 9 NORTHBOUND
FairOver: WEBSTER SQUARE ROAD
0.1 MILE NORTH OF EXIT 22, Hartford, CT
Built 1962 Load: 29.5 t ADT: 37,900
ROUTE 4
FairOver: W. BRANCH LEADMINE BROOK
1.5 MILES WEST OF RTE 118, Litchfield, CT
Built 1959 Load: 29.5 t ADT: 8,500
ROUTE 9 SOUTHBOUND
FairOver: HUBBARD ROAD
1.0 MI S OF ROUTE 80, Middlesex, CT
Built 1966 Load: 29.5 t ADT: 15,600
ROUTE 322
FairOver: MAD RIVER
105 FT E. OF ROUTE 69, New Haven, CT
Built 1997 Load: 29.5 t ADT: 6,600
ROUTE 8 SOUTHBOUND
FairOver: FIFTH STREET
0.9 MILES SOUTH OF I-84, New Haven, CT
Built 1965 Load: 29.5 t ADT: 25,600
FLOOD BRIDGE ROAD
FairOver: POMPERAUG RIVER
1/4 MI WEST OF SO MAIN ST, New Haven, CT
Built 1979 Load: 29.5 t ADT: 432
ANDREW AVENUE
FairOver: LONG MEADOW POND BROOK
200 FT SO JCT RUBBER AVE, New Haven, CT
Built 1931 Load: 29.5 t ADT: 1,000
INTERSTATE-395
FairOver: RAYMOND HILL RD & BROOK
1.3 MI NORTH OF ROUTE 163, New London, CT
Built 1958 Load: 29.5 t ADT: 49,300
US ROUTE 1
FairOver: POQUONOCK RIVER
0.5 MI S OF US ROUTE 1, New London, CT
Built 1994 Load: 29.5 t ADT: 12,900
RIVER ROAD
FairOver: GUINEA BROOK
0.4 MI S. OF ROUTE 4, Litchfield, CT
Built 1986 Load: 29.7 t ADT: 400
US ROUTE 7
FairOver: NORWALK RIVER
0.6 M SOUTH OF RTE. 35, Fairfield, CT
Built 1958 Load: 29.8 t ADT: 14,800
LOWER ROAD
FairOver: BLACKBERRY RIVER
.75 MI W OF FURNACE HILL, Litchfield, CT
Built 1938 Load: 29.8 t ADT: 628
KELSEYTWN BRDGE RD
FairOver: MENUNKETESUCK RIVER
250 FT W OF RESERVOIR RD, Middlesex, CT
Built 1938 Load: 29.8 t ADT: 584
US ROUTE 1
FairOver: EAST RIVER
0.5 MI E OF ROUTE 146, New Haven, CT
Built 1971 Load: 29.8 t ADT: 12,500
INTERSTATE-395
FairOver: OXOBOXO BRK & NEC ABAND.
325 FT S OF ROUTE 163, New London, CT
Built 1958 Load: 29.8 t ADT: 49,500
LILY POND ROAD
FairOver: PROV & WORC RAILROAD
0.1 MI EAST OF ROUTE 12, New London, CT
Built 1990 Load: 29.8 t ADT: 260
ROUTE 15
FairOver: RIVERSVILLE RD E BR BYRA
1.8 MI EAST OF EXIT 27, Fairfield, CT
Built 1935 Load: 30.0 t ADT: 53,800
INTERSTATE-95
FairOver: SOUTH AVENUE NO. 1
0.3 MI S OF ROUTE 130, Fairfield, CT
Built 1959 Load: 30.1 t ADT: 92,800
ROUTE 15
FairOver: CONVERSE POND BROOK
2.8 MI N OF NY STATE LINE, Fairfield, CT
Built 1935 Load: 30.1 t ADT: 53,800
SR 598 EASTBOUND
FairOver: NO NOTABLE FEATURE
ACCESS TO I-91S FROM 598E, Hartford, CT
Built 1964 Load: 30.1 t ADT: 9,700
FOREST STREET
FairOver: ABANDONED DOT RAILROAD
.2 MILES E. OF MIGEON AVE, Litchfield, CT
Built 1915 Load: 30.1 t ADT: 2,340
WOLCOTT AVENUE
FairOver: W BRANCH NAUGATUCK RIVER
0.2 MI S RTE 4 @ MIGEON, Litchfield, CT
Built 1961 Load: 30.1 t ADT: 1,892
INTERSTATE-95
FairOver: GRETA STREET
0.2 MI N OF ROUTE 162, New Haven, CT
Built 1957 Load: 30.1 t ADT: 114,100
INTERSTATE 95
FairOver: LAKE SALTONSTALL
0.5 MI N OF ROUTE 100, New Haven, CT
Built 1998 Load: 30.1 t ADT: 84,500
GROTON LONG POINT
FairOver: AMTRAK RAILROAD
0.1 MI S OF ROUTE 215, New London, CT
Built 1961 Load: 30.1 t ADT: 3,334
US ROUTE 6 EB
FairOver: NATCHAUG RIVER
0.2 MI WEST OF WINDHAM TL, Tolland, CT
Built 1973 Load: 30.1 t ADT: 10,450
ASPETUCK RIDGE RD
FairOver: WEST ASPETUCK RIVER
370-FT NORTH OF SAND ROAD, Litchfield, CT
Built 1990 Load: 30.2 t ADT: 1,229
SR 805 (FEDERAL RO
FairOver: BEAVER BROOK
INT OF SR 840 & SR805, Fairfield, CT
Built 1962 Load: 30.5 t ADT: 22,100
ROUTE 8 NORTHBOUND
FairOver: WARREN ST& S FRONTAGE RD
EXIT 27A I-95 N B, Fairfield, CT
Built 1968 Load: 30.5 t ADT: 12,250
BERKSHIRE AVENUE
FairOver: PEQUONNOCK RIVER
0.4 MI E OF US ROUTE 1, Fairfield, CT
Built 1990 Load: 30.5 t ADT: 9,090
INTERSTATE-384 EB
FairOver: BIDWELL STREET
0.1 MILE EAST OF EXIT 1, Hartford, CT
Built 1968 Load: 30.5 t ADT: 29,850
INTERSTATE-91 NB
FairOver: LEIBERT ROAD
0.1 MILE SOUTH OF EXIT 33, Hartford, CT
Built 1991 Load: 30.5 t ADT: 76,000
PARKVIEW DRIVE
FairOver: ROARING BROOK
.5 MILES EAST of RTE.177, Hartford, CT
Built 1965 Load: 30.5 t ADT: 209
ROUTE 118
FairOver: SPRUCE BROOK
3.62 MI E OF RTE 63, Litchfield, CT
Built 1960 Load: 30.5 t ADT: 4,000
US ROUTE 1
FairOver: PATCHOGUE RIVER
1.1 MI S OF ROUTE 153, Middlesex, CT
Built 1925 Load: 30.5 t ADT: 7,400
ROUTE 15
FairOver: CONNOLLY PKWY
0.2 MI N OF ROUTE 10, New Haven, CT
Built 1948 Load: 30.5 t ADT: 69,700
WALLACE STREET
FairOver: AMTRAK RAILROAD
.2 MI NORTH GRAND AVENUE, New Haven, CT
Built 1906 Load: 30.5 t ADT: 2,242
OAK STREET NO. 2
FairOver: QUINNIPIAC RIVER
0.1 MI W OF ROUTE 71, New Haven, CT
Built 1989 Load: 30.5 t ADT: 2,596
MILITARY HIGHWAY
FairOver: MILL COVE
0.8 MI W OF ROUTE 12, New London, CT
Built 1997 Load: 30.5 t ADT: 1,300
SR 620
FairOver: MASHAPAUG POND
1500' NORTH OF ROUTE 171, Tolland, CT
Built 1953 Load: 30.5 t ADT: 200
I-91 SB & TR 835
FairOver: CONNECTICUT SOUTHERN RR
AT EXIT 29A, Hartford, CT
Built 1958 Load: 30.7 t ADT: 47,700
Showing 1,301-1,350 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 |