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

SR 660

Good

Over: LITTLE RIVER

.3 MI NORTH OF ROUTE 97, New London, CT

Built 1990 Load: 99.9 t ADT: 2,600

ROUTE 83

Good

Over: THRESHER BROOK

0.2 MILE NORTH OF SR 528, Tolland, CT

Built 1957 Load: 99.9 t ADT: 4,100

US 6 & RAMP,SR 633

Good

Over: SAWMILL BROOK

0.1 MI WEST OF ROUTE 195, Tolland, CT

Built 1973 Load: 99.9 t ADT: 17,000

INTERSTATE-395

Good

Over: MILL BROOK

4 MILE NORTH OF ROUTE 201, Windham, CT

Built 1958 Load: 99.9 t ADT: 30,000

SR 695

Good

Over: SNAKE MEADOW BROOK

1.6MI E OF INTERSTATE-395, Windham, CT

Built 1958 Load: 99.9 t ADT: 4,500

INTERSTATE-395

Good

Over: LATHROP BROOK

.1 MI S OF LATHROP RD, Windham, CT

Built 1958 Load: 99.9 t ADT: 30,000

VALLEY ROAD

Good

Over: WHETSTONE BROOK

NEAR JCT CAT HOLLOW ROAD, Windham, CT

Built 2001 Load: 99.9 t ADT: 1,402

ROUTE 169

Good

Over: TATNIC BROOK

3 MI NORTH OF ROUTE 14, Windham, CT

Built 1990 Load: 99.9 t ADT: 2,200

FALLS ROAD

Poor

Over: NONNEWAUG BROOK

300' E OF NONNEWAUG RD, Litchfield, CT

Built 1956 ADT: 95

RIVERVIEW GARAGE E

Poor

Over: MOHEGAN SUN BLVD

00000000 004, New London, CT

Built 1

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

WIRE MILL ROAD

Poor

Over: HAVILAND BROOK

0.3 MI W OF ROUTE 137, Fairfield, CT

Built 1957 Load: 11.7 t ADT: 1,900

MOUNTAIN ROAD

Poor

Over: WATABA LAKE

0.2 MI N OF BENNETTS FARM, Fairfield, CT

Built 1955 Load: 12.3 t ADT: 440

EAST STREET

Poor

Over: PEQUABUCK RIVER

160 FT SOUTH OF ROUTE 72, Hartford, CT

Built 1900 Load: 12.6 t ADT: 2,805

CONGRESS STREET #2

Poor

Over: MILL RIVER

0.5 MI W OF ROUTE 59, Fairfield, CT

Built 1935 Load: 13.0 t ADT: 6,505

ROUTE 34

Poor

Over: HOUSATONIC RIVER

1 MILE EAST OF JCT RT 111, Fairfield, CT

Built 1919 Load: 13.3 t ADT: 9,400

COUNTRY VILLAGE LA

Poor

Over: BROOK

0.2 MI EAST OF OLD NOD RD, Middlesex, CT

Built 1970 Load: 13.6 t ADT: 100

ATWOODVILLE ROAD

Poor

Over: MOUNT HOPE RIVER

.3 MI EAST OF ROUTE 89, Tolland, CT

Built 1950 Load: 13.6 t ADT: 425

WOODCHUCK HILL RD

Poor

Over: LITTLE RIVER

50 FT E JCT HANOVER ROAD, Windham, CT

Built 1900 Load: 14.9 t ADT: 1,178

MICHAEL'S WAY

Poor

Over: W BRANCH SAUGATUCK RIVER

0.1 MILE WEST OF ROUTE 53, Fairfield, CT

Built 1995 Load: 15.6 t ADT: 215

ALPHA AVENUE

Poor

Over: AMTRAK RR & LOCAL ROADS

1000 FT SOUTH OF ROUTE 1A, New London, CT

Built 1940 Load: 16.2 t ADT: 4,200

ROUTE 177

Poor

Over: FARMINGTON RIVER

0.2 MI S FROM ROUTE 4 JCT, Hartford, CT

Built 1939 Load: 17.8 t ADT: 16,500

TAFT POND ROAD

Poor

Over: MASHAMOQUET BROOK

.5 MI NORTH OF ROUTE 97, Windham, CT

Built 1900 Load: 17.8 t ADT: 368

SAND ROAD

Poor

Over: WEST ASPETUCK RIVER

NEAR JCT W/LONG MT RD., Litchfield, CT

Built 1983 Load: 18.8 t ADT: 506

JEROME AVENUE

Poor

Over: FREEMAN HILL BROOK

200 FT SOUTH COOLIDGE ST, Hartford, CT

Built 1964 Load: 20.1 t ADT: 7,240

ROUTE 207

Poor

Over: BEAVER BROOK

3 MILES EAST OF ROUTE 32, New London, CT

Built 1938 Load: 20.1 t ADT: 2,800

SR 536 -CROOKED ST

Poor

Over: PAN AM RAILROAD

0.2 MILE EAST OF I-84, Hartford, CT

Built 1969 Load: 21.1 t ADT: 11,300

WAITE STREET

Poor

Over: LAKE WHITNEY

0.2 MI EAST OF MATHER ST, New Haven, CT

Built 1935 Load: 21.4 t ADT: 2,000

SALEM ROAD

Poor

Over: EAST BR EIGHT MILE RIVER

0.2 MI N. OF ROUTE 156, New London, CT

Built 1991 Load: 21.7 t ADT: 413

WILLOW STREET

Poor

Over: WILLOW BROOK

0.1 MI EAST OF ROUTE 10, New Haven, CT

Built 1924 Load: 22.7 t ADT: 488

DOWNS STREET

Poor

Over: PEQUABUCK RIVER

100 FT SOUTH OF ROUTE 72, Hartford, CT

Built 1938 Load: 22.9 t ADT: 1,120

ROUTE 154

Poor

Over: BACK RIVER

0.8 MI S OF US ROUTE 1, Middlesex, CT

Built 1935 Load: 23.0 t ADT: 3,000

WATERSIDE LANE

Poor

Over: HAMMOCK RIVER

0.3 MI S OF US ROUTE 1, Middlesex, CT

Built 1994 Load: 23.4 t ADT: 510

ROUTE 82

Poor

Over: CONNECTICUT RIVER

0.1 MILE WEST OF RTE. 149, Middlesex, CT

Built 1913 Load: 23.7 t ADT: 11,800

INTERSTATE-95

Poor

Over: METRO NORTH RAILROAD

0.23 MI NORTH OF FIRST AV, New Haven, CT

Built 1956 Load: 23.7 t ADT: 121,500

SILVER HILL ROAD

Poor

Over: ASPETUCK RIVER

50 FEET EAST OF ROUTE 58, Fairfield, CT

Built 1920 Load: 23.9 t ADT: 295

OLD KINGS HIGHWAY

Poor

Over: STONY BROOK

700 FEET EAST OF ROUTE 1, Fairfield, CT

Built 1935 Load: 24.6 t ADT: 3,820

BOSTON HOLLOW RD 2

Poor

Over: BIGELOW BROOK

AT EASTFORD TOWN LINE, Windham, CT

Built 1910 Load: 24.7 t ADT: 55

WEST MORRIS ROAD

Poor

Over: BANTAM RIVER

0.5 MI SO. OF MORRIS T.L., Litchfield, CT

Built 1956 Load: 24.9 t ADT: 199

MILLER-GOODWIN CON

Poor

Over: LITTLE RIVER

0.5 MI SOUTH OF ROUTE 14, Windham, CT

Built 1930 Load: 24.9 t ADT: 175

WILSONVILLE ROAD

Poor

Over: FRENCH RIVER

200 FEET EAST OF ROUTE 12, Windham, CT

Built 1936 Load: 25.1 t ADT: 1,168

TOELLES ROAD

Poor

Over: QUINNIPIAC RIVER

100FT E OF ROUTE 15, New Haven, CT

Built 1982 Load: 25.3 t ADT: 8,703

BUNKER HILL ROAD

Poor

Over: HOP RIVER

600 FT EAST OF RTE 6, Tolland, CT

Built 1960 Load: 25.3 t ADT: 337

NAUGATUCK AVENUE

Poor

Over: METRO NORTH RAILROAD

100' NORTH OF I-95, New Haven, CT

Built 1929 Load: 25.4 t ADT: 3,790

MERRYALL ROAD

Poor

Over: WEST ASPETUCK RIVER

JCT OF W MEETINGHOUSE RD, Litchfield, CT

Built 1937 Load: 25.9 t ADT: 655

Showing 4,101-4,150 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.