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
LOCUST ROAD
FairOver: ROCK BROOK
1.2 MI. WEST OF ROUTE 72, Litchfield, CT
Built 1967 Load: 97.2 t ADT: 319
JUDDS BRIDGE ROAD
FairOver: LENEVIG BROOK
.5MI NW OF SENTRY HILL RD, Litchfield, CT
Built 1956 Load: 97.2 t ADT: 129
INTERSTATE-95
FairOver: PATCHOGUE RIVER
0.1 MI S OF ROUTE 153, Middlesex, CT
Built 1957 Load: 97.2 t ADT: 50,800
DENNISON ROAD
FairOver: FALLS RIVER
300 FT E OF CURIOSITY LN, Middlesex, CT
Built 1968 Load: 97.2 t ADT: 1,182
RIVER ROAD # 2
FairOver: BROOK
0.2 MI S OF AIRCRAFT ROAD, Middlesex, CT
Built 1970 Load: 97.2 t ADT: 53
WESLEYAN HILLS ROA
FairOver: LONG HILL BROOK
50 FEET WEST OF ROUTE 17, Middlesex, CT
Built 1960 Load: 97.2 t ADT: 2,299
ROUTE 82
FairOver: ROARING BROOK
0.2 MI W OF ROUTE 154, Middlesex, CT
Built 1982 Load: 97.2 t ADT: 7,600
CESCA LANE
FairOver: BALL BROOK
100 FT N OF HADDAM Q. RD, Middlesex, CT
Built 2000 Load: 97.2 t ADT: 208
YORK STREET
FairOver: BROOK
0.2 MI W OF US ROUTE 1, New Haven, CT
Built 1968 Load: 97.2 t ADT: 264
GUNTOWN ROAD
FairOver: LONG MEADOW POND BROOK
AT MIDDLEBURY - OXFORD TL, New Haven, CT
Built 1960 Load: 97.2 t ADT: 1,300
HOGS BACK ROAD
FairOver: LITTLE RIVER
50 FEET SOUTH OF ROUTE 67, New Haven, CT
Built 1954 Load: 97.2 t ADT: 670
BALDWIN AVE&BEE ST
FairOver: SPOON SHOP BROOK
AT JCT. BEE & BALDWIN STS, New Haven, CT
Built 1950 Load: 97.2 t ADT: 2,923
ROUTE 17
FairOver: BROOK
0.8 MI N OF ROUTE 80, New Haven, CT
Built 1970 Load: 97.2 t ADT: 9,800
INTERSTATE-91
FairOver: BROOK
3.4 MI N OF I-95, New Haven, CT
Built 1965 Load: 97.2 t ADT: 120,200
ASHLAND STREET
FairOver: PACHAUG RIVER
0.2 MI EAST OF ROUTE 12, New London, CT
Built 1951 Load: 97.2 t ADT: 4,131
BUDDINGTON ROAD
FairOver: HEMPSTEAD BROOK
800 FT S OF ROUTE 184, New London, CT
Built 1965 Load: 97.2 t ADT: 5,141
WATERMAN ROAD
FairOver: PEASE BROOK
1.6 MI NORTH OF ROUTE 608, New London, CT
Built 1965 Load: 97.2 t ADT: 1,200
SR 637
FairOver: CABIN BROOK
0.3 MI E OF ROUTE 11, New London, CT
Built 1971 Load: 97.2 t ADT: 5,100
US ROUTE 6
FairOver: ABANDONED RAILROAD
BOLTON NOTCH, Tolland, CT
Built 1951 Load: 97.2 t ADT: 35,400
KING ROAD
FairOver: SCANTIC RIVER
.4MI WEST OF ROUTE 83 JCT, Tolland, CT
Built 1949 Load: 97.2 t ADT: 654
BROWNS BRIDGE ROAD
FairOver: CHARTER BROOK
100' S O/SHENIPST LAKE RD, Tolland, CT
Built 1960 Load: 97.2 t ADT: 330
US ROUTE 44
FairOver: QUINEBAUG RIVER
50 FT W OF KENNEDY DRIVE, Windham, CT
Built 1925 Load: 97.2 t ADT: 10,400
PRATT ROAD
FairOver: LATHROP BROOK
100' EAST OF LATHROP ROAD, Windham, CT
Built 1990 Load: 97.2 t ADT: 583
INTERSTATE-91
FairOver: CONNECTICUT SOUTHERN RR
.3 MILE NORTH OF EXIT 29A, Hartford, CT
Built 1958 Load: 98.0 t ADT: 95,700
INTERSTATE-95
FairOver: HORSENECK CREEK
NEAR EXIT 3, Fairfield, CT
Built 1958 Load: 99.9 t ADT: 101,800
INTERSTATE 84
FairOver: BEAVER BROOK
0.5 MILE WEST OF ROUTE 7, Fairfield, CT
Built 1962 Load: 99.9 t ADT: 120,000
I-84 TR 804
FairOver: BEAVER BROOK
EXIT 7 I-84 WB, Fairfield, CT
Built 1962 Load: 99.9 t ADT: 8,500
ROUTE 15
FairOver: MIANUS RIVER
0.6 MI E STAMFORD T/L, Fairfield, CT
Built 1937 Load: 99.9 t ADT: 65,120
ROUTE 15
FairOver: NORWALK RIVER
0.1 MI N OF US ROUTE 7, Fairfield, CT
Built 1938 Load: 99.9 t ADT: 54,320
ROUTE 15
FairOver: PUMPKIN BROOK
1.3 MILES W OF ROUTE 110, Fairfield, CT
Built 1941 Load: 99.9 t ADT: 80,000
INTERSTATE 84 & RO
FairOver: KOHANZA BROOK
ADJACENT TO THORPE ST., Fairfield, CT
Built 1962 Load: 99.9 t ADT: 130,800
INTERSTATE 84
FairOver: PADANARAM BROOK
0.3 MI WEST OF ROUTE 37, Fairfield, CT
Built 1960 Load: 99.9 t ADT: 126,900
INTERSTATE 84 EB
FairOver: BEAVER BROOK
.18 MI E OF US7 N.B., Fairfield, CT
Built 1962 Load: 99.9 t ADT: 41,200
INTERSTATE 84 WB
FairOver: BEAVER BROOK
.25 MILE EAST OF US 7(NB), Fairfield, CT
Built 1962 Load: 99.9 t ADT: 40,700
INTERSTATE-84
FairOver: POND BROOK
.79 MI E OF BROOKFIELD TL, Fairfield, CT
Built 1962 Load: 99.9 t ADT: 82,500
ROUTE 107
FairOver: NORWALK RIVER
150 FT S OF ROUTE 57, Fairfield, CT
Built 1953 Load: 99.9 t ADT: 10,400
SSR 476
FairOver: MILL CREEK
I-95 SB EXIT 18, Fairfield, CT
Built 1958 Load: 99.9 t ADT: 1,000
ROUTE 34
FairOver: HALFWAY RIVER
AT THE MONROE NEWTOWN TL., Fairfield, CT
Built 1963 Load: 99.9 t ADT: 8,000
ROUTE 15
FairOver: CONVERSE POND BROOK
3.1 MI E OF NY STATE LINE, Fairfield, CT
Built 1935 Load: 99.9 t ADT: 57,020
I-95 & LEDGE ROAD
FairOver: STONY BROOK
BETWEEN EXITS 10 & 11, Fairfield, CT
Built 1958 Load: 99.9 t ADT: 124,900
INTERSTATE-95
FairOver: JOHNSONS CREEK
0.1 MI NORTH OF ROUTE 113, Fairfield, CT
Built 1959 Load: 99.9 t ADT: 93,800
ROUTE 25
FairOver: POND BROOK
.2 MI NORTH OF RT.6 & 25, Fairfield, CT
Built 1961 Load: 99.9 t ADT: 11,800
STARR AVENUE
FairOver: BOGGS POND BROOK
225 FT N OF I-84, Fairfield, CT
Built 1960 Load: 99.9 t ADT: 12,680
ROUTE 111
FairOver: PEQUONNOCK RIVER
150 FT NORTH OF ROUTE 25, Fairfield, CT
Built 1980 Load: 99.9 t ADT: 19,600
UNQUOWA ROAD
FairOver: METRO NORTH RAILROAD
0.1 MI N OF US ROUTE 1, Fairfield, CT
Built 1989 Load: 99.9 t ADT: 5,900
ROUTE 2
FairOver: SALMON BROOK
150' (W)JCT RT 17&RT 94, Hartford, CT
Built 1950 Load: 99.9 t ADT: 65,900
ROUTE 10
FairOver: TEN MILE RIVER
300FT SO OF JCT ROUTE 322, Hartford, CT
Built 1936 Load: 99.9 t ADT: 5,500
ROUTE 15
FairOver: FOLLY BROOK
0.26 MILE NORTH OF RTE 99, Hartford, CT
Built 1941 Load: 99.9 t ADT: 47,500
ROUTE 20
FairOver: HUBBARD BROOK
3.66 M W OF ROUTE 179, Hartford, CT
Built 1940 Load: 99.9 t ADT: 450
ROUTE 9
FairOver: MATTABESSET RIVER
.2 MI NORTH EX 22 RTE9 SB, Hartford, CT
Built 1962 Load: 99.9 t ADT: 72,200
Showing 2,951-3,000 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 |