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 254

Good

Over: NORTHFIELD BROOK

.20 MI NORTH OF SR807 JCT, Litchfield, CT

Built 1970 Load: 97.2 t ADT: 5,800

WEST WOODS RD NO.2

Good

Over: GUINEA BROOK

0.2 M E OF S ELLSWORTH RD, Litchfield, CT

Built 2016 Load: 97.2 t ADT: 106

ROUTE 154

Good

Over: PLUM BANK CREEK

1.1 MI S OF US ROUTE 1, Middlesex, CT

Built 2021 Load: 97.2 t ADT: 3,600

NORTH ROAD EXTENS.

Good

Over: COLES BROOK

0.1 MI E OF I-91, Middlesex, CT

Built 2020 Load: 97.2 t ADT: 586

HEATHERWOOD DRIVE

Good

Over: BROOK

0.2 MI E OF SUMMER HILL, New Haven, CT

Built 2022 Load: 97.2 t ADT: 399

BEACON VALLEY ROAD

Good

Over: BEACON HILL BROOK

0.3 MI S OF ROUTE 8, New Haven, CT

Built 1933 Load: 97.2 t ADT: 2,600

AUTUMN RIDGE ROAD

Good

Over: RIGGS STREET BROOK

330 FT E OF RIGGS STREET, New Haven, CT

Built 1994 Load: 97.2 t ADT: 39

INTERSTATE-84 WB

Good

Over: RAILS TO TRAILS PATHWAY

0.5 MILE WEST OF EXIT 66, Tolland, CT

Built 2009 Load: 97.2 t ADT: 46,300

DURKEE ROAD

Good

Over: SCANTIC RIVER

1260 FT FR JCT ROUTE 83, Tolland, CT

Built 1973 Load: 97.2 t ADT: 303

ROUTE 12

Good

Over: MILL BROOK

1.6 MI S OF ROUTE 14A EB, Windham, CT

Built 1920 Load: 97.2 t ADT: 7,200

ROUTE 12

Good

Over: PROV & WORC RAILROAD

3.8 MILES N OF ROUTE 201, Windham, CT

Built 1977 Load: 97.2 t ADT: 3,600

ROUTE 106

Good

Over: FIVE MILE RIVER

475 FT S OF ROUTE 123, Fairfield, CT

Built 1989 Load: 98.8 t ADT: 6,600

INTERSTATE-95

Good

Over: ASH CREEK

1.7 MI SOUTH OF ROUTE 8, Fairfield, CT

Built 2003 Load: 99.9 t ADT: 115,900

ROUTE 104

Good

Over: E BRANCH OF MIANUS RIVER

3.3 MI N OF ROUTE 15, Fairfield, CT

Built 2019 Load: 99.9 t ADT: 6,900

SOUND BEACH AVENUE

Good

Over: CIDER MILL BROOK

0.4 MILE SOUTH OF I-95, Fairfield, CT

Built 2023 Load: 99.9 t ADT: 15,420

GRAYS BRIDGE ROAD

Good

Over: HOUSATONIC RR

2 MI WEST OF 133 & 25 INT, Fairfield, CT

Built 1979 Load: 99.9 t ADT: 9,095

VALLEY FORGE ROAD

Good

Over: SAUGATUCK RIVER

2 MILES EAST OF ROUTE 53, Fairfield, CT

Built 2011 Load: 99.9 t ADT: 610

W STARRS PLAIN RD

Good

Over: SAUGATUCK RIVER

550 FT E OF ROUTE 7, Fairfield, CT

Built 2007 Load: 99.9 t ADT: 985

ROUTE 8

Good

Over: BROOK

0.5 M N OF ROUTE 127, Fairfield, CT

Built 1982 Load: 99.9 t ADT: 69,900

ROUTE 3

Good

Over: KEENEY COVE

1.4 MI N OF I-91, Hartford, CT

Built 1959 Load: 99.9 t ADT: 58,000

INTERSTATE-91

Good

Over: MILL BROOK

0.5 MI NORTH OF ROUTE 305, Hartford, CT

Built 1954 Load: 99.9 t ADT: 132,500

ROUTE 2 WESTBOUND

Good

Over: LYMANS BROOK

.3 MI WEST OF SO MAIN ST, Hartford, CT

Built 1964 Load: 99.9 t ADT: 16,600

ROUTE 2

Good

Over: DARK HOLLOW BROOK

1.3 MI W OF MARLBORO TL, Hartford, CT

Built 1964 Load: 99.9 t ADT: 47,400

I384 RAMP & KEENEY

Good

Over: HOP BROOK

I-384 WB EXIT 2 OFF RAMP, Hartford, CT

Built 1968 Load: 99.9 t ADT: 10,500

ROUTE 83 & RAMP

Good

Over: HOP BROOK

300 FT NORTH OF I-384, Hartford, CT

Built 1970 Load: 99.9 t ADT: 11,600

NAUBUC AVENUE

Good

Over: SALMON BROOK

0.5 MI NORTH OF MAIN ST., Hartford, CT

Built 1970 Load: 99.9 t ADT: 2,000

THRONEBROOK DRIVE

Good

Over: HIGLEY BROOK

JCT OF HIGLEY RD, Hartford, CT

Built 1990 Load: 99.9 t ADT: 61

ROUTE 218

Good

Over: MEADOW BROOK

0.25 MILE WEST OF I-291, Hartford, CT

Built 1993 Load: 99.9 t ADT: 36,600

SR 536

Good

Over: QUINNIPIAC RIVER

0.2 MI W OF EAST JCT 372, Hartford, CT

Built 1969 Load: 99.9 t ADT: 11,300

MILLER POND ROAD

Good

Over: BUCKLAND POND

150 FT N OF BUSH HILL RD, Hartford, CT

Built 2005 Load: 99.9 t ADT: 215

E LITCHFIELD RD #2

Good

Over: SPRUCE BROOK

EAST LITCHFIELD FIREHOUSE, Litchfield, CT

Built 1956 Load: 99.9 t ADT: 244

SAW MILL ROAD

Good

Over: MARSHEPAUG RIVER

RIGHT ON MINOR RD GO 3 MI, Litchfield, CT

Built 1955 Load: 99.9 t ADT: 184

ROUTE 254

Good

Over: NORTHFIELD BROOK

05 NORTH OF MAIN STREET, Litchfield, CT

Built 1964 Load: 99.9 t ADT: 4,700

CARTER ROAD

Good

Over: KENT FALLS BROOK

1 MILE EAST OF ROUTE 7, Litchfield, CT

Built 2017 Load: 99.9 t ADT: 125

DIBBLE HILL ROAD

Good

Over: MILL BROOK

330 FT S. OF ROUTE 128, Litchfield, CT

Built 1970 Load: 99.9 t ADT: 129

INTERSTATE-91

Good

Over: FALLS BROOK

500-FT SO. OF SMITH ST BR, Middlesex, CT

Built 1965 Load: 99.9 t ADT: 108,700

GLENWOOD ROAD

Good

Over: INDIAN RIVER

1000 FT E OF ROUTE 81, Middlesex, CT

Built 1958 Load: 99.9 t ADT: 2,966

ROUTE 9

Good

Over: GREAT BROOK

0.4 MI N OF ROUTE 82, Middlesex, CT

Built 1967 Load: 99.9 t ADT: 31,100

INTERSTATE-95

Good

Over: FARM RIVER

0.3 MI N OF ROUTE 100, New Haven, CT

Built 1958 Load: 99.9 t ADT: 103,000

INTERSTATE-95

Good

Over: BRANFORD RIVER

0.6 MI S OF US ROUTE 1, New Haven, CT

Built 1958 Load: 99.9 t ADT: 70,500

ROUTE 15

Good

Over: WILMOT BROOK

1.0 MI S OF ROUTE 10, New Haven, CT

Built 1949 Load: 99.9 t ADT: 77,800

INTERSTATE-691

Good

Over: SODOM BROOK

0.4 MI E OF ROUTE 71, New Haven, CT

Built 1971 Load: 99.9 t ADT: 61,100

HARPERS FERRY ROAD

Good

Over: BEAVER POND BROOK

NORTH OF I-84 OVERPASS, New Haven, CT

Built 1952 Load: 99.9 t ADT: 12,900

SR 486 (AIRPORT RD

Good

Over: EIGHT MILE BROOK

100' EAST OF JCT RTE 188, New Haven, CT

Built 1975 Load: 99.9 t ADT: 3,000

PLANK ROAD EAST

Good

Over: BEAVER POND BROOK

175 FT W OF SCOTT ROAD, New Haven, CT

Built 2018 Load: 99.9 t ADT: 2,550

ROUTE 354

Good

Over: DEEP RIVER BROOK

3.5 MI W OF ROUTE 82, New London, CT

Built 1961 Load: 99.9 t ADT: 2,100

I-95 NB RAMP 277

Good

Over: STONY BROOK

I-95 NB EXIT NO. 91, New London, CT

Built 1964 Load: 99.9 t ADT: 4,900

INTERSTATE-95 NB

Good

Over: SHUNOCK RIVER

0.3 MI S OF ROUTE 49, New London, CT

Built 1964 Load: 99.9 t ADT: 13,600

INTERSTATE-95 SB

Good

Over: SHUNOCK RIVER

0.3 MI S OF ROUTE 49, New London, CT

Built 1970 Load: 99.9 t ADT: 13,200

OLD JEWETT CITY RD

Good

Over: BROAD BROOK

50' EAST OF KRUG ROAD, New London, CT

Built 1955 Load: 99.9 t ADT: 566

Showing 4,051-4,100 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.