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

ROUTE 77

Good

Over: MENUNKATUCK RIVER

1.8 MI N OF ROUTE 80, New Haven, CT

Built 1990 Load: 32.7 t ADT: 4,600

HIGGINS ROAD

Good

Over: WILLOW BROOK

0.6 MI W OF ROUTE 10, New Haven, CT

Built 1991 Load: 32.7 t ADT: 3,564

ROUTE 188

Good

Over: EIGHT MILE BROOK

AT SOUTHBURY TOWN LINE, New Haven, CT

Built 1991 Load: 32.7 t ADT: 4,200

LAKESIDE DRIVE

Good

Over: GUILFORD LAKES

100 FT W BROOKSIDE RD, New Haven, CT

Built 1991 Load: 32.7 t ADT: 404

RTE10&FAIRVIEW AVE

Good

Over: STORM DRAIN

JCT RTE 10&ARCH &FAIRVIEW, New Haven, CT

Built 1982 Load: 32.7 t ADT: 10,600

WARD ST EXTENSION

Good

Over: WHARTON BROOK

0.1 MI. E OF S. ELM ST, New Haven, CT

Built 1991 Load: 32.7 t ADT: 3,530

SHEPARD AVENUE

Good

Over: SHEPARD BROOK

2 MILES NORTH OF ROUTE 10, New Haven, CT

Built 1985 Load: 32.7 t ADT: 2,700

GREEN HILL ROAD

Good

Over: HAMMONASSET RIVER

1.6 MILE E. OF ROUTE 79, New Haven, CT

Built 1995 Load: 32.7 t ADT: 1,276

BRASS MILL DRIVE

Good

Over: MAD RIVER

0.1 MI NORTH OF UNION ST, New Haven, CT

Built 1997 Load: 32.7 t ADT: 9,700

WEST JOHNSON AVE.

Good

Over: JUDD BROOK

1.3 MI W OT ROUTE 10, New Haven, CT

Built 1999 Load: 32.7 t ADT: 1,147

ORCHARD STREET

Good

Over: BEAVER BROOK

2000' EAST OF RTE. 115, New Haven, CT

Built 1999 Load: 32.7 t ADT: 570

PRINDLE ROAD

Good

Over: OYSTER RIVER

575 FT W OF MORGAN LANE, New Haven, CT

Built 2001 Load: 32.7 t ADT: 8,000

PINEBROOK CROSSING

Good

Over: PINE BROOK

0.1 MI E OF BETHMOUR RD, New Haven, CT

Built 2008 Load: 32.7 t ADT: 54

CHRISTIAN STREET

Good

Over: CATLIN BROOK

1.00 MI E OF US ROUTE 5, New Haven, CT

Built 2007 Load: 32.7 t ADT: 5,700

WILLIAMS ROAD

Good

Over: MUDDY RIVER

0.7 MI. SOUTH OF RTE 68, New Haven, CT

Built 2007 Load: 32.7 t ADT: 1,725

OLD TAVERN ROAD

Good

Over: SILVER BROOK

0.2 MI W OF ROUTE 114, New Haven, CT

Built 2000 Load: 32.7 t ADT: 4,500

AUTUMN RIDGE ROAD

Good

Over: FARM BROOK

154 FT E OF PARADISE AVE, New Haven, CT

Built 1991 Load: 32.7 t ADT: 200

SULLIVAN DRIVE

Good

Over: EAST RIVER

550 FT EAST OF GOOSE LANE, New Haven, CT

Built 2004 Load: 32.7 t ADT: 53

WATERTOWN ROAD

Good

Over: HOP BROOK

.2 mile (s) of Ravenwood, New Haven, CT

Built 1995 Load: 32.7 t ADT: 1,800

SCOUT ROAD

Good

Over: LEE BROOK

100 FT W OF LEE FARM DR, New Haven, CT

Built 1990 Load: 32.7 t ADT: 400

SOUTH CURTIS STREE

Good

Over: MEETINGHOUSE BROOK

660 FT S OF CURTIS STREET, New Haven, CT

Built 1989 Load: 32.7 t ADT: 2,700

LONG HILL ROAD

Good

Over: SPINNING MILL BROOK

.13 mi. north of Route 1, New Haven, CT

Built 2018 Load: 32.7 t ADT: 3,700

MOUNT ARCHER ROAD

Good

Over: EIGHT MILE RIVER

0.2 MI W OF ROUTE 156, New London, CT

Built 1966 Load: 32.7 t ADT: 350

ROUTE 85

Good

Over: HARRIS BROOK

0.1 MI N OF ROUTE 82, New London, CT

Built 1987 Load: 32.7 t ADT: 4,200

CHAPMAN DRIVE

Good

Over: LATIMER BROOK

0.2 MI E OF ROUTE 161, New London, CT

Built 1979 Load: 32.7 t ADT: 200

JEREMY HILL ROAD

Good

Over: ASSEKONK BROOK

0.1 MI S OF ROUTE 201, New London, CT

Built 1986 Load: 32.7 t ADT: 721

ROUTE 156

Good

Over: BEAVER BROOK

1.9 MI E OF ROUTE 82, New London, CT

Built 1988 Load: 32.7 t ADT: 2,900

SR 660

Good

Over: BROOK

.2 MI SOUTH OF ROUTE 138, New London, CT

Built 1990 Load: 32.7 t ADT: 800

ROUTE 2A

Good

Over: CROWLEY BROOK

1.2 MI EAST OF ROUTE 12, New London, CT

Built 1989 Load: 32.7 t ADT: 5,200

UNGER ROAD

Good

Over: HUNTS BROOK

0.1 MI E HUNTS BROOK RD, New London, CT

Built 1991 Load: 32.7 t ADT: 1,300

DROZDYK DRIVE

Good

Over: BROOK

0.3 MI N OF US ROUTE 1, New London, CT

Built 1990 Load: 32.7 t ADT: 6,240

HOXIE ROAD

Good

Over: HOXIE BROOK

1 MILE EAST OF WATERMAN R, New London, CT

Built 2007 Load: 32.7 t ADT: 237

ROCCO DRIVE

Good

Over: LATIMER BROOK

25 FT E OF ROUTE 161, New London, CT

Built 2006 Load: 32.7 t ADT: 314

EGRET ROAD

Good

Over: LATIMER BROOK

0.1 MI E OF ROUTE 161, New London, CT

Built 2005 Load: 32.7 t ADT: 255

OLIVER ROAD

Good

Over: PEASE BROOK

2,150' West of Route 87, New London, CT

Built 2008 Load: 32.7 t ADT: 396

COLD SPRING ROAD

Good

Over: HALEYS BROOK

100 ' South of Rte. 184, New London, CT

Built 2002 Load: 32.7 t ADT: 104

ENTRANCE TO MALL L

Good

Over: UNNAMED STREAM

MASHANTUCKET PEQUOT RESER, New London, CT

Built 2006 Load: 32.7 t ADT: 1,000

MALL LOADING DOCK

Good

Over: UNNAMED STREAM

MASHANTUCKET PEQUOT RESER, New London, CT

Built 2014 Load: 32.7 t ADT: 150

PEQUOT TRAIL

Good

Over: UNNAMED STREAM

MASHANTUCKET PEQUOT RESER, New London, CT

Built 1993 Load: 32.7 t ADT: 1,000

PEQUOT TRAIL

Good

Over: UNNAMED STREAM

MASHANTUCKET PEQUOT RESER, New London, CT

Built 1993 Load: 32.7 t ADT: 1,000

TRADING COVE ROAD

Good

Over: UNNAMED CREEK

.25 miles from Mohegan Su, New London, CT

Built 2001 Load: 32.7 t ADT: 50

INDIAN SUMMER SELF

Good

Over: GARDEN

INDIAN SUMMER SELF-PARK E, New London, CT

Built 2002 Load: 32.7 t ADT: 750

ROUTE 140

Good

Over: BROAD BROOK

1.75 MILES W OF RT. 286, Tolland, CT

Built 1930 Load: 32.7 t ADT: 4,800

LOWER BUTCHER ROAD

Good

Over: HOCKANUM RIVER

0.6 MILE WEST OF ROUTE 83, Tolland, CT

Built 2003 Load: 32.7 t ADT: 3,300

BAKER HILL ROAD

Good

Over: TEN MILE RIVER

1320' FROM CARDS MILL, Tolland, CT

Built 1900 Load: 32.7 t ADT: 184

PUCKER STREET

Good

Over: HOP RIVER

0.2 MILE NORTH OF ROUTE 6, Tolland, CT

Built 2015 Load: 32.7 t ADT: 424

BREWSTER STREET

Good

Over: ASH BROOK

1.1 MILE SOUTH OF U.S. 44, Tolland, CT

Built 1973 Load: 32.7 t ADT: 245

SOUTH STREET

Good

Over: SKUNGAMAUG RIVER

400 FT FR JCT BISHOP LANE, Tolland, CT

Built 1997 Load: 32.7 t ADT: 850

FOLLY LANE

Good

Over: SKUNGAMAUG RIVER

400FT FR JCT NORTH RV, Tolland, CT

Built 2020 Load: 32.7 t ADT: 137

GRAYVILLE ROAD 1

Good

Over: RAYMOND BROOK

APPR .5 MI W OLD COLCHSTR, Tolland, CT

Built 1979 Load: 32.7 t ADT: 198

Showing 3,301-3,350 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.