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

ROUTE 15 & U.S. 5

Poor

Over: P&W RR & HARTFORD AVE

0.2 MI SO. OF HARTFORD TL, Hartford, CT

Built 1942 Load: 33.7 t ADT: 42,200

ROUTE 146

Poor

Over: WEST RIVER

0.4 MI W OF ROUTE 77, New Haven, CT

Built 1910 Load: 33.7 t ADT: 5,500

ROUTE 31

Poor

Over: NEW ENGLAND CENTRAL RR

0.1 MI S OF COVENTRY T.L., Tolland, CT

Built 1947 Load: 34.1 t ADT: 4,600

RIVER ROAD #2

Poor

Over: STRICKLAND BROOK

AT STRICKLAND ROAD, Fairfield, CT

Built 1977 Load: 34.2 t ADT: 6,300

ROUTE 15 NB

Poor

Over: QUINNIPIAC RIVER

1 MI NO OF JCT ROUTE 150, New Haven, CT

Built 1946 Load: 34.5 t ADT: 33,700

ROUTE 32

Poor

Over: NEW ENGLAND CENTRAL RR.

1.5 MI NORTH OF ROUTE 207, New London, CT

Built 1941 Load: 34.8 t ADT: 11,800

SACKETT POINT ROAD

Poor

Over: QUINNIPIAC RIVER

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

Built 1936 Load: 35.0 t ADT: 15,090

WHEATON ROAD

Poor

Over: EAST ASPETUCK RIVER

NEAR ROUTE 202, Litchfield, CT

Built 1985 Load: 35.5 t ADT: 890

STONE HOUSE ROAD

Poor

Over: ROARING BROOK

400 FT EAST OF FENTON RD, Tolland, CT

Built 1958 Load: 36.3 t ADT: 11

ROUTE 8 SOUTHBOUND

Poor

Over: NAUGATUCK RV-LOCAL ROADS

.27 MI NORTH OF TOWN LINE, New Haven, CT

Built 1966 Load: 36.6 t ADT: 27,600

GROTON LONG PT RD

Poor

Over: PALMER COVE

0.3 MI W OF ROUTE 215, New London, CT

Built 1935 Load: 36.9 t ADT: 1,985

MADDOX ROAD #1

Poor

Over: EAST SPRING BROOK

.5 MI E OF NONNEWAUG RD, Litchfield, CT

Built 1956 Load: 37.3 t ADT: 20

RIVER ROAD

Poor

Over: FALLS RIVER

0.3 MI S OF BOOK HILL RD, Middlesex, CT

Built 1954 Load: 37.3 t ADT: 2,677

LAKESIDE DRIVE

Poor

Over: NORTH STAMFORD RESERVOIR

OPP RT 137, N OF ROUTE 15, Fairfield, CT

Built 1936 Load: 37.6 t ADT: 4,220

CEDAR HEIGHTS ROAD

Poor

Over: RIPPOWAM RIVER

0.75 MI W OF ROUTE 137, Fairfield, CT

Built 1933 Load: 37.9 t ADT: 3,390

COMMERCE DRIVE

Poor

Over: ASH CREEK

0.2 MILES WEST OF I-95, Fairfield, CT

Built 1950 Load: 37.9 t ADT: 11,970

INTERSTATE-84 WB

Poor

Over: HAMILTON STREET

0.4 MILE EAST OF EXIT 45, Hartford, CT

Built 1967 Load: 37.9 t ADT: 68,900

PEAKE BROOK ROAD

Poor

Over: LITTLE RIVER

.1 MI NORTH OF PUTNAM TL, Windham, CT

Built 1987 Load: 37.9 t ADT: 401

US ROUTE 1

Poor

Over: METRO NORTH RAILROAD

0.5 MI S OF I-95, Fairfield, CT

Built 1933 Load: 38.5 t ADT: 17,400

WHISPERING PINES R

Poor

Over: STREAM

0.1 MILE N OF STONY LANE, Tolland, CT

Built 1975 Load: 38.6 t ADT: 87

COBBLE ROAD

Poor

Over: HOLLENBECK RIVER

EAST OF RTE 63 INT, Litchfield, CT

Built 1956 Load: 39.9 t ADT: 378

MELLEN STREET

Poor

Over: PEQUABUCK RIVER

300 FT SOUTH OF ROUTE 72, Hartford, CT

Built 1956 Load: 40.0 t ADT: 3,130

HUMPHREY STREET

Poor

Over: MILL RIVER

0.1 MI E OF I-91, New Haven, CT

Built 1908 Load: 40.2 t ADT: 4,100

WALL STREET

Poor

Over: E BRANCH NAUGATUCK RIVER

NEXT TO O&G INDUSTRIES, Litchfield, CT

Built 1961 Load: 40.8 t ADT: 2,520

BOSWORTH ROAD

Poor

Over: MASHAMOQUET BROOK

800' NORTH OF ROUTE 101, Windham, CT

Built 1950 Load: 40.9 t ADT: 18

SR 745 KIMBERLY AV

Poor

Over: WEST RIVER

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

Built 1969 Load: 41.1 t ADT: 16,000

ROUTE 337

Poor

Over: MORRIS CREEK

2.8 MI S. OF US ROUTE 1, New Haven, CT

Built 1936 Load: 41.4 t ADT: 2,600

US RTE 1 W BROAD S

Poor

Over: PAWCATUCK RIVER

CT AND RI BORDER, New London, CT

Built 1932 Load: 41.6 t ADT: 16,400

EAST ALBERT STREET

Poor

Over: NAUGATUCK RIVER

850 FEET EAST OF MAIN ST., Litchfield, CT

Built 1959 Load: 41.7 t ADT: 9,350

ROUTE 40 SB

Poor

Over: AMTRAK RAILROAD

0.5 MILES N OF I-91, New Haven, CT

Built 1971 Load: 41.7 t ADT: 23,200

BRIDGE STREET

Poor

Over: MAD RIVER

INTERSECTION OF ROUTE 44, Litchfield, CT

Built 1956 Load: 41.8 t ADT: 5,410

VAN CAR ROAD

Poor

Over: EAST ASPETUCK RIVER

1 MILE WEST OF ROUTE 202, Litchfield, CT

Built 1957 Load: 41.9 t ADT: 890

US ROUTE 1

Poor

Over: WEST RIVER

0.1 MI S OF ROUTE 10, Fairfield, CT

Built 1950 Load: 42.8 t ADT: 20,500

CASE AVENUE

Poor

Over: MAD RIVER

AT THE INTERSECTION-RT 44, Litchfield, CT

Built 1956 Load: 42.8 t ADT: 1,995

CLAPBOARD HILL RD

Poor

Over: EAST RIVER

.1 MI E OF EAST RIVER RD, New Haven, CT

Built 1950 Load: 42.8 t ADT: 3,000

ROUTE 2

Poor

Over: HOCKANUM RIVER

.4 MILE EAST OF PITKIN ST, Hartford, CT

Built 1962 Load: 43.1 t ADT: 74,600

MILLS LANE #1

Poor

Over: WASH BROOK

400' EAST OF ROUTE 189, Hartford, CT

Built 1974 Load: 43.1 t ADT: 1,440

VALLEY ROAD

Poor

Over: ASPETUCK RIVER

0.6 MI E OF ROUTE 58, Fairfield, CT

Built 1955 Load: 43.4 t ADT: 440

FLANDERS ROAD

Poor

Over: WILLIMANTIC RIVER

AT MANSFIELD TOWN LINE, Tolland, CT

Built 1914 Load: 44.7 t ADT: 800

RIVER ROAD #1

Poor

Over: SUMNER BROOK

75 FEET EAST OF ROUTE 9, Middlesex, CT

Built 1920 Load: 45.0 t ADT: 2,836

NEW LONDON TPKE

Poor

Over: YANTIC RIVER

.1 MILE SOUTH OF SR 642, New London, CT

Built 1963 Load: 46.3 t ADT: 9,300

COTTON BRIDGE ST

Poor

Over: QUINEBAUG RIVER

1850' FROM JCT LAKE ROAD, Windham, CT

Built 1956 Load: 46.3 t ADT: 148

WEST BROAD STREET

Poor

Over: RIPPOWAM RIVER

0.2 MI W OF ROUTE 137, Fairfield, CT

Built 1954 Load: 46.6 t ADT: 14,220

US ROUTE 202

Poor

Over: SHEPAUG RIVER

100' EAST OF JCT RTE 341, Litchfield, CT

Built 1957 Load: 47.0 t ADT: 4,800

WALLENS STREET

Poor

Over: STILL RIVER

INTERSECTION OF ROUTE 8, Litchfield, CT

Built 1955 Load: 47.2 t ADT: 1,825

EAGLE STREET

Poor

Over: NAUGATUCK RIVER

JCT OF EAGLE ST & SR 847, New Haven, CT

Built 1956 Load: 47.3 t ADT: 3,007

RIVER PLACE

Poor

Over: BLACKBERRY RIVER

NEAR INT. OF US RTE 44, Litchfield, CT

Built 1957 Load: 47.6 t ADT: 100

INTERSTATE-95

Poor

Over: MILL PLAIN ROAD

INTERSTATE-95 EXIT NO 21, Fairfield, CT

Built 1958 Load: 48.0 t ADT: 115,000

ROUTE 8 SOUTHBOUND

Poor

Over: REYNOLDS BRIDGE ROAD

0.1 MI NORTH WATERTOWN TL, Litchfield, CT

Built 1964 Load: 48.0 t ADT: 17,000

GAGER HILL ROAD

Poor

Over: MERRICK BROOK

1500 FT WEST OF ROUTE 97, Windham, CT

Built 1936 Load: 48.1 t ADT: 357

Showing 4,201-4,250 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.