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

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 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)

Connecticut23.965396305821837%47.79050736497545%GoodFairPoorStructurally Deficient
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 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.

01

Alabama

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

27

Minnesota

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

09

Connecticut

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

47

Tennessee

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

24

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 composite NBI rating. Each is inspected at least every 24 months.

SHERMAN STREET

Structurally Deficient

Over: YANTIC RIVER

1 MILE WEST ROUTE 2, New London, CT

Built 1920 Load: 3.9 t

RIVER BANK ROAD

Structurally Deficient

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 6

Good

Over: POND BROOK

INTERSECTION ROUTES 6&25, Fairfield, CT

Built 1988 Load: 32.7 t ADT: 10,900

ROUTE 57

Good

Over: LEES CANAL

0.4 MI N OF ROUTE 33, Fairfield, CT

Built 1989 Load: 32.7 t ADT: 9,300

SHELTER ROCK ROAD

Good

Over: EAST SWAMP BROOK

DANBURY BETHEL TOWN LINE, Fairfield, CT

Built 1989 Load: 32.7 t ADT: 5,845

CUTSPRING ROAD

Good

Over: PUMPKIN GROUND BROOK

0.2 MI N. OF ROUTE 15, Fairfield, CT

Built 1987 Load: 32.7 t ADT: 1,930

SR 734 (DANIELS FA

Good

Over: PEQUONNOCK RIVER

375 FT N OF ROUTE 127, Fairfield, CT

Built 1991 Load: 32.7 t ADT: 8,200

BROADBRIDGE AVENUE

Good

Over: BRUCE BROOK

0.7 MI N OF US ROUTE 1, Fairfield, CT

Built 1981 Load: 32.7 t ADT: 8,577

CROSS STREET

Good

Over: STILL RIVER

0. MI E OF TRIANGLE ST, Fairfield, CT

Built 1993 Load: 32.7 t ADT: 3,825

KENOSIA AVE

Good

Over: MIRY BROOK

600' NORTH OF BACKUS AVE, Fairfield, CT

Built 1992 Load: 32.7 t ADT: 10,605

MAPLE DRIVE

Good

Over: W.BRANCH OF PEQUONNOCK R

0.1 MI N OF ROUTE 25, Fairfield, CT

Built 1995 Load: 32.7 t ADT: 286

OLD HAWLEYVILLE RD

Good

Over: POND BROOK

.25 MI. W OF RTE. 25, Fairfield, CT

Built 2005 Load: 32.7 t ADT: 540

SMOKE HILL DRIVE

Good

Over: EAST LAKE BROOK

New Fairfield local road, Fairfield, CT

Built 2010 Load: 32.7 t ADT: 530

SAW MILL ROAD

Good

Over: POND BROOK

0.4 MI SOUTH OF JUNC US 6, Fairfield, CT

Built 2008 Load: 32.7 t ADT: 520

POVERTY HOLLOW ROA

Good

Over: ASPETUCK RIVER

0.2 M S OF JUNC MORRIS RD, Fairfield, CT

Built 2014 Load: 32.7 t ADT: 1,605

HUNTINGTOWN ROAD

Good

Over: STREAM

0.2 MI S OF JUNC SR 25, Fairfield, CT

Built 2003 Load: 32.7 t ADT: 981

EQUESTRIAN RIDGE

Good

Over: ASPETUCK RIVER

0.2 MI W OF POVERTY HOLLO, Fairfield, CT

Built 2000 Load: 32.7 t ADT: 107

ELM DRIVE

Good

Over: DEEP BROOK

300 FT S OF BRUSHY HILL R, Fairfield, CT

Built 2008 Load: 32.7 t ADT: 1,070

COLD SPRING ROAD

Good

Over: COGERS POND

.5 mi. west of Route 25., Fairfield, CT

Built 2010 Load: 32.7 t ADT: 268

WILD HORSE COURT

Good

Over: SAMMIS BROOK

1.7 mi. west of Route 111, Fairfield, CT

Built 1990 Load: 32.7 t ADT: 673

GODFREY ROAD WEST

Good

Over: W BRANCH SAUGATUCK RIVER

AT INT. WITH PENT ROAD, Fairfield, CT

Built 2015 Load: 32.7 t ADT: 275

NORTH MAIN STREET

Good

Over: FRESHWATER BROOK

0.5 MILE WEST OF ROUTE 5, Hartford, CT

Built 1999 Load: 32.7 t ADT: 4,876

KELSEY STREET

Good

Over: WEBSTER BROOK

900' E OF NEW BRITAIN TL, Hartford, CT

Built 1979 Load: 32.7 t ADT: 13,424

U.S. ROUTE 44

Good

Over: CENTRAL NEW ENGLAND RR

0.4 MI W OF ROUTE 187, Hartford, CT

Built 1981 Load: 32.7 t ADT: 16,400

CHAPEL ROAD

Good

Over: PODUNK RIVER

350 FEET WEST OF ROUTE 5, Hartford, CT

Built 1997 Load: 32.7 t ADT: 1,135

ANDREWS STREET

Good

Over: PEQUABUCK RIVER

50' FROM JCT FREDERICK ST, Hartford, CT

Built 1900 Load: 32.7 t ADT: 12,172

BILTMORE STREET

Good

Over: SANDY BROOK

400 FT WEST OF ROUTE 175, Hartford, CT

Built 1956 Load: 32.7 t ADT: 650

BERLIN STREET

Good

Over: MATTABESSET RIVER

0.8 MI E OF ROUTE 372, Hartford, CT

Built 1981 Load: 32.7 t ADT: 1,339

WOODLAND STREET

Good

Over: ROARING BROOK

500 (S) OF INT HOPEWELL, Hartford, CT

Built 1983 Load: 32.7 t ADT: 1,589

HOLLISTER DRIVE

Good

Over: ROARING BROOK

0.2 MI EAST OF ROUTE 177, Hartford, CT

Built 1985 Load: 32.7 t ADT: 630

MOUNTAIN ROAD #1

Good

Over: TROUT BROOK

200' N GLOUCESTER LANE, Hartford, CT

Built 1986 Load: 32.7 t ADT: 6,226

FRANCIS AVENUE

Good

Over: PIPER BROOK

450' EAST OF DAY STREET, Hartford, CT

Built 1987 Load: 32.7 t ADT: 2,879

MAIN STREET

Good

Over: PORTER BROOK

.3 MI N OF GLASTONBURY TL, Hartford, CT

Built 1983 Load: 32.7 t ADT: 13,300

MAIN STREET

Good

Over: SALMON BROOK

1 MI. SOUTH OF ROUTE 3, Hartford, CT

Built 1987 Load: 32.7 t ADT: 25,001

ABBE ROAD

Good

Over: BUCKHORN BROOK

300 FEET WEST OF GRANT RD, Hartford, CT

Built 1989 Load: 32.7 t ADT: 3,608

AUTUMN STREET

Good

Over: PORTER BROOK

50 FEET NORTH OF SR 534, Hartford, CT

Built 1991 Load: 32.7 t ADT: 2,800

EAST BARBER STREET

Good

Over: DECKERS BROOK

100' EAST OF RTE 159, Hartford, CT

Built 1979 Load: 32.7 t ADT: 626

FORD AVENUE

Good

Over: DECKERS BROOK

800' WEST OF ROUTE 159, Hartford, CT

Built 1979 Load: 32.7 t ADT: 633

SCARBOROUGH ROAD

Good

Over: DECKERS BROOK

0.2 MILE WEST OF RTE. 159, Hartford, CT

Built 1970 Load: 32.7 t ADT: 69

ROUTE 30 & 83 OVLP

Good

Over: BROOK

0.2 MI SOUTH OF VERNON TL, Hartford, CT

Built 1992 Load: 32.7 t ADT: 8,400

WILDERMERE ROAD

Good

Over: BELCHER BROOK

0.4 MI E OF FOUR ROD RD, Hartford, CT

Built 1980 Load: 32.7 t ADT: 255

MIDDLETOWN ROAD

Good

Over: SPRUCE BROOK

0.3 MI W OF ROUTE 372, Hartford, CT

Built 1999 Load: 32.7 t ADT: 2,900

PORTER STREET

Good

Over: PORTER BROOK

250 FT. WEST OF MAIN ST#1, Hartford, CT

Built 1985 Load: 32.7 t ADT: 99

COTTAGE GROVE RD#2

Good

Over: TUMBLE BROOK

0.1 MILE WEST OF SR 218, Hartford, CT

Built 1975 Load: 32.7 t ADT: 5,757

SR 502

Good

Over: SOUTH FORK HOCKANUM RIV

1.0 MILE EAST OF I-384, Hartford, CT

Built 1993 Load: 32.7 t ADT: 6,000

ROUTE 220 - SHAKER

Good

Over: FRESHWATER BROOK

0.2 MI EAST OF ROUTE 192, Hartford, CT

Built 1993 Load: 32.7 t ADT: 10,900

KENSINGTON, ARCH,

Good

Over: WILLOW BROOK

KENSINGTON& ARCH to BUELL, Hartford, CT

Built 1996 Load: 32.7 t ADT: 7,038

LINCOLN STREET #2

Good

Over: WILLOW BROOK

500 FT SOUTH OF ROUTE 372, Hartford, CT

Built 1996 Load: 32.7 t ADT: 1,620

PETERSEN WAY

Good

Over: PLUM GULLY BROOK

0.1 MILE SOUTH OF RTE. 74, Hartford, CT

Built 1993 Load: 32.7 t ADT: 108

PLEASANT ROAD

Good

Over: BOWEYNS BROOK

0.5 miles South of Sr 510, Hartford, CT

Built 2007 Load: 32.7 t ADT: 364

AUSTIN BROOK DRIVE

Good

Over: AUSTIN BROOK

850' west of Sheldon St., Hartford, CT

Built 2000 Load: 32.7 t ADT: 104

THORNE ROAD

Good

Over: ROCKLEDGE BROOK

200' East of Davenport, Hartford, CT

Built 1965 Load: 32.7 t ADT: 208

Showing 3,201-3,250 of 4,277 bridges

Related

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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.