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
US ROUTE 7
FairOver: NORWALK RIVER
0.3MI SO RT102 RIDGEFIELD, Fairfield, CT
Built 1928 Load: 32.7 t ADT: 18,800
ROUTE 15
FairOver: BYRAM RIVER
1.6 MI N OF N.Y. STATE, Fairfield, CT
Built 1997 Load: 32.7 t ADT: 57,020
ROUTE 25
FairOver: STILL RIVER
.1 MI EAST OF US RTE 202, Fairfield, CT
Built 1920 Load: 32.7 t ADT: 8,700
ROUTE 37
FairOver: BOGGS POND BROOK
.5 MI N. OF INT. OF 39&53, Fairfield, CT
Built 1911 Load: 32.7 t ADT: 13,740
ROUTES 53 & 107
FairOver: SAUGATUCK RIVER
180-FT SOUTH RTE 107 INT, Fairfield, CT
Built 1925 Load: 32.7 t ADT: 6,200
SSR 454
FairOver: INDIAN HOLE BROOK
0.5 MILE N OF RT 110, Fairfield, CT
Built 1910 Load: 32.7 t ADT: 700
US ROUTE 1
FairOver: STRICKLAND BROOK
COSCOB SECTION OF G'NWICH, Fairfield, CT
Built 1911 Load: 32.7 t ADT: 16,400
ROUTE 53
FairOver: STILL RIVER
ROUTE 53 @ KENNEDY STREET, Fairfield, CT
Built 1964 Load: 32.7 t ADT: 15,200
NOROTON AVENUE
FairOver: METRO-NORTH RAILROAD
330 FT North OF I-95, Fairfield, CT
Built 1900 Load: 32.7 t ADT: 9,300
WEST STREET
FairOver: STILL RIVER
0.8 MI WEST OF ROUTE 53, Fairfield, CT
Built 1925 Load: 32.7 t ADT: 17,500
WHITE STREET
FairOver: STILL RIVER
0.1 MILE EAST OF ROUTE 53, Fairfield, CT
Built 1964 Load: 32.7 t ADT: 16,400
ROUTE 25 SB
FairOver: FAIRCHILD MEMORIAL PARK
0.7 MI S OF ROUTE 15, Fairfield, CT
Built 1971 Load: 32.7 t ADT: 21,500
NORTH STREET
FairOver: RIPPOWAM RIVER
0.2 MI W OF ROUTE 137, Fairfield, CT
Built 1900 Load: 32.7 t ADT: 7,750
PALMER HILL ROAD
FairOver: MIANUS RIVER
JCT VALLEY ROAD, Fairfield, CT
Built 1907 Load: 32.7 t ADT: 6,580
ETHAN ALLEN ROAD
FairOver: HRR & PRIVATE ROAD
ACCESS RD TO LANDFILL END, Fairfield, CT
Built 1975 Load: 32.7 t ADT: 600
CROSBY STREET
FairOver: PADANARAM BROOK
0 MI EAST OF ROUTE 53, Fairfield, CT
Built 1899 Load: 32.7 t ADT: 10,130
PERRY AVENUE
FairOver: SILVERMINE RIVER
300-FT E. SILVERMINE RD, Fairfield, CT
Built 1899 Load: 32.7 t ADT: 1,388
MIDDLESEX ROAD
FairOver: STONY BROOK
1.5 MI E OF ROUTE 106, Fairfield, CT
Built 1950 Load: 32.7 t ADT: 6,870
GLOVER AVE
FairOver: NORWALK RIVER
175 FT WEST OF SR 719, Fairfield, CT
Built 1912 Load: 32.7 t ADT: 2,140
WALL STREET
FairOver: NORWALK RIVER
0.4 MILE SOUTH OF ROUTE 1, Fairfield, CT
Built 1922 Load: 32.7 t ADT: 7,040
INTERSTATE 84 WEST
FairOver: HOUSATONIC RIVER
1.5 MI EAST OF EXIT 11, Fairfield, CT
Built 1977 Load: 32.7 t ADT: 76,300
SOUTH PARK AVENUE
FairOver: MILL RIVER
0.3 MI N OF ROUTE 15, Fairfield, CT
Built 1946 Load: 32.7 t ADT: 4,300
PATRIOT DR & MNRR
FairOver: STILL RIVER
390 FT S OF WHITE STREET, Fairfield, CT
Built 1975 Load: 32.7 t ADT: 19,830
RIVER GATE DRIVE
FairOver: W BRANCH SAUGATUCK RV
250 FT W OF NEWTOWN TPKE, Fairfield, CT
Built 1980 Load: 32.7 t ADT: 230
JUDD ROAD 2
FairOver: MILL RIVER
1.3 MI WEST OF ROUTE 25, Fairfield, CT
Built 1950 Load: 32.7 t ADT: 388
OLD REDDING ROAD
FairOver: ASPETUCK RIVER
150 FT NORTH OF ROUTE 136, Fairfield, CT
Built 1941 Load: 32.7 t ADT: 1,970
SPRING HILL ROAD
FairOver: PEQUONNOCK RIVER
0.2 MI E. OF ROUTE 25, Fairfield, CT
Built 1965 Load: 32.7 t ADT: 3,000
BEAVER DAM ROAD
FairOver: PUMPKIN GROUND BROOK
0.8 M NORTH OF ROUTE 15, Fairfield, CT
Built 1965 Load: 32.7 t ADT: 470
HUGHES AVENUE
FairOver: ROOSTER RIVER OVERFLOW
0.1 MI E OF ROUTE 59, Fairfield, CT
Built 1998 Load: 32.7 t ADT: 1,650
LAUREL AVENUE
FairOver: ROOSTER RIVER OVERFLOW
0.4 MI N OF US ROUTE 1, Fairfield, CT
Built 1981 Load: 32.7 t ADT: 4,040
HONEYSUCKLE HILL L
FairOver: BALLWALL BROOK
0.3 MI E OF ROUTE 58, Fairfield, CT
Built 1978 Load: 32.7 t ADT: 92
BROOKVIEW AVENUE
FairOver: ROOSTER RIVER
100 FT WEST OF ROUTE 59, Fairfield, CT
Built 1953 Load: 32.7 t ADT: 615
RIVERSIDE DRIVE
FairOver: TURNEY CREEK
1000 FT EAST OF ROUTE 1, Fairfield, CT
Built 1947 Load: 32.7 t ADT: 3,560
NEWTOWN TURNPIKE
FairOver: WEST BRANCH SAUGATUCK
1 MILE NORTH OF ROUTE 15, Fairfield, CT
Built 1969 Load: 32.7 t ADT: 950
LYONS PLAIN ROAD
FairOver: ASPETUCK RIVER
0.2 MI NORTH OF ROUTE 57, Fairfield, CT
Built 1929 Load: 32.7 t ADT: 4,080
MIDDLEBROOK FARM R
FairOver: COMSTOCK BROOK
1000' NORTH OF ROUTE 33, Fairfield, CT
Built 1944 Load: 32.7 t ADT: 745
CANNON ROAD
FairOver: NORWALK RIVER
0.2 MILE EAST OF ROUTE 7, Fairfield, CT
Built 1956 Load: 32.7 t ADT: 1,810
OLD MILL ROAD
FairOver: NORWALK RIVER
100 FT EAST OF US ROUTE 7, Fairfield, CT
Built 1930 Load: 32.7 t ADT: 155
HIGH SCHOOL LANE
FairOver: STONY BROOK
OVER STONY BROOK, Fairfield, CT
Built 1958 Load: 32.7 t ADT: 2,217
ANDREWS DRIVE
FairOver: GOODWIVES RIVER
200' SO. OF OLD KING HYWY, Fairfield, CT
Built 1962 Load: 32.7 t ADT: 1,090
POVERTY HOLLOW RD
FairOver: ASPETUCK RIVER
S of CHURCH HILL RD, Fairfield, CT
Built 1920 Load: 32.7 t ADT: 885
ROSE STREET
FairOver: STILL RIVER
0.1 MI W OF ROUTE 53, Fairfield, CT
Built 1966 Load: 32.7 t ADT: 3,770
CASPER STREET
FairOver: STILL RIVER
200 FT. WEST OF TRIANGLE, Fairfield, CT
Built 1974 Load: 32.7 t ADT: 1,295
BEAR MOUNTAIN ROAD
FairOver: BALL POND BROOK
300' S OF WOOD CREEK RD, Fairfield, CT
Built 1956 Load: 32.7 t ADT: 948
ROUTE 130
FairOver: BRUCE BROOK
1.1 MI E OF I-95, Fairfield, CT
Built 1983 Load: 32.7 t ADT: 9,200
FARMILL STREET
FairOver: FARMILL RIVER
0.3 MI N OF WAVERLY ROAD, Fairfield, CT
Built 1996 Load: 32.7 t ADT: 1,700
OLD SHELTON ROAD
FairOver: BROOK
0.1 MI E OF ROUTE 108, Fairfield, CT
Built 1982 Load: 32.7 t ADT: 660
BUDDINGTON ROAD
FairOver: FARMILL RIVER
0.1 MI E OF HUNTINGTON RD, Fairfield, CT
Built 1981 Load: 32.7 t ADT: 1,100
WHITNEY AVENUE #2
FairOver: PEQUONNOCK RIVER
0.3 MI EAST OF ROUTE 111, Fairfield, CT
Built 1985 Load: 32.7 t ADT: 3,756
HAYESTOWN AVE
FairOver: PADANARAM BROOK
0.1 MI E OF ROUTE 37, Fairfield, CT
Built 1987 Load: 32.7 t ADT: 20,015
Showing 1,451-1,500 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 |