State profile · Below median Poor share

Connecticut bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Connecticut, based on the FHWA National Bridge Inventory.

4,277
Public bridges
24.0%
Good condition
4.0%
Poor condition

Data updated May 2026

Total Bridges

4,277

Public highway bridges in Connecticut

Good Condition

24.0%

1,025 bridges rated 7-9

-26.0pp vs 50% benchmark

Poor Condition

4.0%

169 bridges whose lowest applicable component is rated 0-4

-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 - Poor-condition share 13.2%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Connecticut31.7%63.1%GoodFairPoor
Bridge inventory deck-condition mix - Connecticut (FHWA NBI)

Counties (8)

Fairfield 840 Hartford 893 Litchfield 466 Middlesex 304 New Haven 891 New London 431 Tolland 188 Windham 264

Connecticut vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Connecticut on the same metric.

AL

Alabama

3.35% top marginal rate
Structure
Progressive
Burden @ $100K
$13,471

MN

Minnesota

3.63% top marginal rate
Structure
Progressive
Burden @ $100K
$11,969
Selected

CT

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

TN

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426

MD

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

Bridges Needing Most Attention in Connecticut

Six lowest-condition bridges in Connecticut, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

SHERMAN STREET

Poor

Over: YANTIC RIVER

1 MILE WEST ROUTE 2, New London, CT

Built 1920 Load: 3.9 t

RIVER BANK ROAD

Poor

Over: 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

Poor

Over: KITT BROOK

0.5 MI SOUTH OF ROUTE 14, Windham, CT

Built 1928 Load: 8.7 t ADT: 176

ROUTE 136

Poor

Over: SAUGATUCK RIVER

BETWEEN I-95 EXIT 17 & 18, Fairfield, CT

Built 1870 Load: 10.0 t ADT: 14,500

KENSINGTON ROAD

Poor

Over: MATTABESSET RIVER

0.2 MI S OF ROUTE 372, Hartford, CT

Built 1958 Load: 10.0 t ADT: 4,200

SR 664

Poor

Over: 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 1

Fair

Over: NECK RIVER

1.6 MI S OF ROUTE 79, New Haven, CT

Built 1914 Load: 32.7 t ADT: 10,100

US ROUTE 5

Fair

Over: HARBOR BROOK

0.3 MI N OF I-691, New Haven, CT

Built 1892 Load: 32.7 t ADT: 16,744

SR 847

Fair

Over: MAD RIVER

200 FT N OF WASHINGTON ST, New Haven, CT

Built 1935 Load: 32.7 t ADT: 7,300

ROUTE 15

Fair

Over: WESTFIELD ROAD

2 MI SOUTH OF BERLIN TL, New Haven, CT

Built 1946 Load: 32.7 t ADT: 24,600

ROUTE 22

Fair

Over: MUNGER BROOK

0.3 MI E OF ROUTE 80, New Haven, CT

Built 1928 Load: 32.7 t ADT: 6,400

ROUTE 34

Fair

Over: FOUR MILE BROOK

100 FT W OF ROUTE 188, New Haven, CT

Built 1930 Load: 32.7 t ADT: 11,100

ROUTE 67

Fair

Over: BLADENS RIVER

50 YD N OF WASHINGTON AVE, New Haven, CT

Built 1936 Load: 32.7 t ADT: 18,300

SR 846

Fair

Over: NAUGATUCK RIVER

0.1 MILE NORTH OF SR 847, New Haven, CT

Built 1922 Load: 32.7 t ADT: 20,300

ROUTE 80

Fair

Over: BRANFORD RIVER

0.1 MI E OF ROUTE 139, New Haven, CT

Built 1930 Load: 32.7 t ADT: 16,300

ROUTE 162

Fair

Over: WEPAWAUG RIVER

1.3 MI E OF US ROUTE 1, New Haven, CT

Built 1889 Load: 32.7 t ADT: 14,300

SR 745 (FIRST AVE)

Fair

Over: METRO NORTH RAILROAD

0.2 MI E OF I-95, New Haven, CT

Built 1900 Load: 32.7 t ADT: 9,300

ROUTE 100(MAIN ST)

Fair

Over: FARM RIVER

0.1 MI WEST OF US ROUTE 1, New Haven, CT

Built 1900 Load: 32.7 t ADT: 5,500

ROUTE 63

Fair

Over: BEACON HILL BROOK

0.9 MI NORTH OF ROUTE 42, New Haven, CT

Built 1966 Load: 32.7 t ADT: 8,900

SOUTH COLONY ST

Fair

Over: HARBOR BROOK

JCT(S) COLONY &PERKINS ST, New Haven, CT

Built 1900 Load: 32.7 t ADT: 2,700

EAST MAIN STREET

Fair

Over: MAD RIVER

0.5 MILE EAST OF ROUTE 69, New Haven, CT

Built 1943 Load: 32.7 t ADT: 10,100

PINE ORCHARD ROAD

Fair

Over: BRANFORD RIVER

0.1 MI E OF ROUTE 146, New Haven, CT

Built 1960 Load: 32.7 t ADT: 7,100

EDGEWOOD AVENUE

Fair

Over: WEST RIVER & PARK ROAD

0.5 MI WEST OF RTE 10, New Haven, CT

Built 1910 Load: 32.7 t ADT: 3,100

CLIFTON ST

Fair

Over: AMTRAK RAILROAD

OVER AMTRAK, New Haven, CT

Built 1912 Load: 32.7 t ADT: 1,930

WHITNEY AVENUE

Fair

Over: FARMINGTON CANAL GREENWA

100' NORTH OF CHURCH ST, New Haven, CT

Built 1885 Load: 32.7 t ADT: 4,400

PROSPECT STREET

Fair

Over: FARMINGTON CANAL GREENWA

AT JCT WITH TRUMBULL ST, New Haven, CT

Built 1929 Load: 32.7 t ADT: 4,600

JOHN STREET

Fair

Over: AMTRAK RAILROAD

OFF ROUTE 5, New Haven, CT

Built 1964 Load: 32.7 t ADT: 2,505

BRIDGE STREET

Fair

Over: AMTRAK RAILROAD

200' N OF WEST END AVENUE, New Haven, CT

Built 1917 Load: 32.7 t ADT: 284

WINTERGREEN AVENUE

Fair

Over: TOWN FARM BROOK

.1 WEST OF WILMONT AVENUE, New Haven, CT

Built 1890 Load: 32.7 t ADT: 2,800

COE AVENUE

Fair

Over: HARBOR BROOK

AT JCT OF BRADLEY AVENUE, New Haven, CT

Built 1955 Load: 32.7 t ADT: 3,000

OCEAN AVENUE #1

Fair

Over: COVE RIVER

2.2 MI EAST OF ROUTE 162, New Haven, CT

Built 1935 Load: 32.7 t ADT: 7,100

WASHINGTON AVE. #3

Fair

Over: MAD RIVER

0.1 MILE WEST OF SR 847, New Haven, CT

Built 1906 Load: 32.7 t ADT: 6,000

BOYDEN STREET

Fair

Over: HANCOCK BROOK

300 FT. EAST OF SR 847, New Haven, CT

Built 1930 Load: 32.7 t ADT: 2,300

SOUTH BROOKSVALE R

Fair

Over: WILLOW BROOK

0.8 MI W OF ROUTE 10, New Haven, CT

Built 1960 Load: 32.7 t ADT: 1,350

MILL STREET

Fair

Over: HARBOR BROOK

300 FT W OF PRATT STREET, New Haven, CT

Built 1930 Load: 32.7 t ADT: 808

CEDAR STREET

Fair

Over: HARBOR BROOK

0.2 MI N OF PRATT STREET, New Haven, CT

Built 1910 Load: 32.7 t ADT: 792

CONCORD DRIVE

Fair

Over: BROOK

0.4 M S OF HEATHERWOOD RD, New Haven, CT

Built 1978 Load: 32.7 t ADT: 214

CONCORD DRIVE

Fair

Over: BROOK

0.3 MI S HEATHERWOOD RD, New Haven, CT

Built 1978 Load: 32.7 t ADT: 209

TOMMY'S PATH

Fair

Over: GULF BROOK

0.3 MI EAST OF ROUTE 22, New Haven, CT

Built 1979 Load: 32.7 t ADT: 241

UNIVERSAL DR NORTH

Fair

Over: MUDDY RIVER

0.1 MI S SACKETT PT RD, New Haven, CT

Built 1960 Load: 32.7 t ADT: 14,364

FOREST STREET

Fair

Over: TUTTLE BROOK

1 MI EAST OF BURR STREET, New Haven, CT

Built 1978 Load: 32.7 t ADT: 136

ORANGE STREET #1

Fair

Over: MILL RIVER

.1 MI SOUTH FARNUM DRIVE, New Haven, CT

Built 1950 Load: 32.7 t ADT: 2,800

EAST RAMSDELL ST

Fair

Over: WEST RIVER

1 TENTH NORTH OF ROUTE 63, New Haven, CT

Built 1951 Load: 32.7 t ADT: 4,326

WILMOT ROAD

Fair

Over: TOWN FARM BROOK

.1 MI N WINTERGREEN AVE, New Haven, CT

Built 1951 Load: 32.7 t ADT: 1,382

ELM STREET

Fair

Over: LONG MEADOW POND BROOK

.1 MI SOUTH OF RUBBER AVE, New Haven, CT

Built 1955 Load: 32.7 t ADT: 1,825

ANDRASKO ROAD

Fair

Over: BEACON HILL BROOK

500 FT E OF ROUTE 8, New Haven, CT

Built 1950 Load: 32.7 t ADT: 269

PRUDDEN LANE

Fair

Over: WEPAWAUG RIVER

0.2 MI W OF ROUTE 121, New Haven, CT

Built 1965 Load: 32.7 t ADT: 936

WALNUT STREET

Fair

Over: WEPAWAUG RIVER

250 FT W OF ROUTE 121, New Haven, CT

Built 1965 Load: 32.7 t ADT: 980

HUNTINGDON AVENUE

Fair

Over: STEELE BROOK

TOMPKINS ST INTERSECTION, New Haven, CT

Built 1935 Load: 32.7 t ADT: 4,100

STATE STREET NORTH

Fair

Over: UNION STATION PUMP HOUSE

BETWEEN US1 & FAIR STREET, New Haven, CT

Built 1968 Load: 32.7 t ADT: 2,100

SHADDUCK ROAD

Fair

Over: HOP BROOK

0.3 MI S OF ROUTE 188, New Haven, CT

Built 1986 Load: 32.7 t ADT: 754

ROUTE 67

Fair

Over: LITTLE RIVER

1.3 MILES WEST OF ROUTE 8, New Haven, CT

Built 1987 Load: 32.7 t ADT: 16,900

MUNSON ROAD

Fair

Over: SCOVILLE RESERVOIR

0.4 MI E OF ROUTE 69, New Haven, CT

Built 1986 Load: 32.7 t ADT: 2,394

CEDARWOOD DRIVE

Fair

Over: MEETINGHOUSE BROOK

150' W. OF S. CURTIS ST., New Haven, CT

Built 1970 Load: 32.7 t ADT: 789

WARPAS ROAD

Fair

Over: NECK RIVER

0.2 MI N GREEN HILL RD, New Haven, CT

Built 1987 Load: 32.7 t ADT: 1,086

ROUTE 70

Fair

Over: TEN MILE RIVER

1.7 MI EAST OF I-84, New Haven, CT

Built 1989 Load: 32.7 t ADT: 15,000

Showing 1,651-1,700 of 4,277 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

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.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.