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

I-91 NB ON RAMP

Unknown

Over: ROUTE 159

EXIT 34 NB ON RAMP, Hartford, CT

Built 1989 ADT: 14,000

DAY HILL ROAD WB

Unknown

Over: ROUTE 75

0.4 MI WEST OF I-91, Hartford, CT

Built 1989 ADT: 14,500

PIGEON HILL ROAD

Unknown

Over: INTERSTATE 91

0.75 MI. NO. OF ROUTE 305, Hartford, CT

Built 1989 ADT: 137,100

HIGH STREET

Unknown

Over: INTERSTATE 84 & RAMPS

SO END OF BR CHAPEL ST SO, Hartford, CT

Built 1988 ADT: 165,900

I-91 TR 841

Unknown

Over: I-91 RAMP 186

I-91 SB EXIT 32A TO 84 WB, Hartford, CT

Built 1990 ADT: 5,700

INTERSTATE-91 NB

Unknown

Over: US5, RTE 15 & I-91 TR861

.54 MI NO OF SR 530, Hartford, CT

Built 1990 ADT: 56,900

I-84/91 TR841/858

Unknown

Over: U.S. 44 WB & MARKET ST

RAMPS FROM 91 NB&SB TO 84, Hartford, CT

Built 1990 ADT: 8,900

I-91 RAMPS 101&103

Unknown

Over: INTERSTATE-91

EXIT 44 SB ON & OFF RAMPS, Hartford, CT

Built 1989 ADT: 109,600

INTERSTATE-91 SB

Unknown

Over: ROUTE 178 (PARK AVENUE)

AT EXIT 36, Hartford, CT

Built 1991 ADT: 10,900

INTERSTATE-91 NB

Unknown

Over: ROUTE 178 (PARK AVENUE)

AT EXIT 36, Hartford, CT

Built 1990 ADT: 10,900

BINA AVENUE

Unknown

Over: I-91 & HOV LANES

.18 MI NORTH WINDSOR TL, Hartford, CT

Built 1990 ADT: 147,800

ROUTE 15 NORTHBOUN

Unknown

Over: I-91 NB,RT 2,CT RIVER,RR

0.3 MI NORTH OF I-91 NB, Hartford, CT

Built 1991 ADT: 45,350

ROUTE 15 SOUTHBOUN

Unknown

Over: I-91 NB,RT 2,CT RIVER,RR

0.3 MI NORTH OF I-91 NB, Hartford, CT

Built 1991 ADT: 74,600

INTERSTATE-91 SB

Unknown

Over: SR 510 (MAIN STREET)

0.4 MI N WINDSOR LOCKS TL, Hartford, CT

Built 1959 ADT: 3,600

INTERSTATE-91 NB

Unknown

Over: SR 510 (MAIN STREET)

0.4 MI N WINDSOR LOCKS TL, Hartford, CT

Built 1959 ADT: 3,600

INTERSTATE-91 NB

Unknown

Over: ROUTE 75 (POQUONOCK AVE)

4.7 MILES NORTH OF HARTFD, Hartford, CT

Built 1991 ADT: 19,700

ROUTE 15 NB

Unknown

Over: ROUTE 5 (MAIN STREET)

1.6 MILES N OF HTFD TWNLN, Hartford, CT

Built 1991 ADT: 17,400

RTE 15 SB & RAMP

Unknown

Over: US ROUTE 5 (MAIN STREET)

.6 MILE E OF HARTFORD TL, Hartford, CT

Built 1991 ADT: 21,000

ROUTE 305

Unknown

Over: INTERSTATE-91 SOUTHBOUND

AT EXIT 37, Hartford, CT

Built 1990 ADT: 62,700

ROUTE 305

Unknown

Over: INTERSTATE-91 NORTHBOUND

AT EXIT 37, Hartford, CT

Built 1990 ADT: 65,000

ANN UCCELLO STREET

Unknown

Over: INTERSTATE-84 & RAMPS

.24 MI W OF O-PASS RTE 44, Hartford, CT

Built 1991 ADT: 160,300

US ROUTE 44 WB

Unknown

Over: I-91 NB, C-D RDWY & RAMP

AT WEST END BULKELEY BRG, Hartford, CT

Built 1960 ADT: 12,900

US ROUTE 44 EB

Unknown

Over: I-91 NB,I-91 COL,SW RDWY

ACCESS 84EB FROM MORGANST, Hartford, CT

Built 1960 ADT: 14,100

US ROUTE 5 TR 804

Unknown

Over: ROUTE 2 WESTBOUND

EB EXIT FROM CHARTER OAK, Hartford, CT

Built 1991 ADT: 36,250

CONN. SOUTHERN RR

Unknown

Over: U.S. ROUTE 5

.2 MILES N OF U.S. 44, Hartford, CT

Built 1991 ADT: 12,400

ROUTE 71 (HARTFORD

Unknown

Over: ROUTE 9

.2MI SOUTH FARMINGTON TL, Hartford, CT

Built 1991 ADT: 42,300

INTERSTATE-91 SB

Unknown

Over: ROUTE 75 (POQUONOCK AVE)

OVER ROUTE 75, Hartford, CT

Built 1991 ADT: 19,700

KENNEDY ROAD

Unknown

Over: INTERSTATE-91

1.4 MILES N OF ROUTE 75, Hartford, CT

Built 1992 ADT: 123,500

ROUTE 20 WESTBOUND

Unknown

Over: INTERSTATE-91

I-91 NB EXIT 40, Hartford, CT

Built 1992 ADT: 88,000

INTERSTATE-91 SB

Unknown

Over: ROUTE 20 EASTBOUND

AT EXIT 40, Hartford, CT

Built 1992 ADT: 15,650

INTERSTATE-91 NB

Unknown

Over: ROUTE 20 EASTBOUND

0.3 MILE NORTH OF EXIT 40, Hartford, CT

Built 1992 ADT: 11,800

SOUTH CENTER ST

Unknown

Over: INTERSTATE-91

2.6 MI NORTH OF ROUTE 75, Hartford, CT

Built 1992 ADT: 99,900

ROUTE 9 SOUTHBOUND

Unknown

Over: ROUTE 175 (CEDAR STREET)

ROUTE 9 EXIT NO. 29, Hartford, CT

Built 1991 ADT: 27,500

ROUTE 9 NORTHBOUND

Unknown

Over: ROUTE 175 (CEDAR STREET)

ROUTE 9 EXIT NO. 29, Hartford, CT

Built 1991 ADT: 27,500

ROUTE 9 SOUTHBOUND

Unknown

Over: SR 505 {ELLA GRASSO BLD}

0.4 MI N OF ROUTE 175, Hartford, CT

Built 1991 ADT: 15,200

ROUTE 9 NORTHBOUND

Unknown

Over: SR 505 {ELLA GRASSO BLD}

0.4 MI N OF ROUTE 175, Hartford, CT

Built 1991 ADT: 15,200

ROUTE 2 WESTBOUND

Unknown

Over: EAST RIVER DRIVE

.3 MILE WEST OF MAIN ST, Hartford, CT

Built 1992 ADT: 4,600

ROUTE 2 EASTBOUND

Unknown

Over: EAST RIVER DRIVE

.3 MILE WEST OF MAIN ST, Hartford, CT

Built 1992 ADT: 4,600

I-91 SB RAMP 204

Unknown

Over: I-91 SB TR 855

0.2 MI S OF ROUTE 218, Hartford, CT

Built 1990 ADT: 13,200

I-91 TR 854 & 855

Unknown

Over: INTERSTATE-291 RAMP 001

0.1 MILE WEST OF I-91, Hartford, CT

Built 1992 ADT: 8,700

MATIANUCK AVENUE

Unknown

Over: I-291 RAMPS 001 & 002

100 FEET SOUTH OF RTE 218, Hartford, CT

Built 1991 ADT: 7,400

INTERSTATE-291

Unknown

Over: I-91 & BRIARWOOD DRIVE

0.2 MILES WEST OF RTE 159, Hartford, CT

Built 1992 ADT: 1,700

ROUTE 218

Unknown

Over: INTERSTATE-91 SOUTHBOUND

0.5 MI W OF ROUTE 159, Hartford, CT

Built 1990 ADT: 74,150

ROUTE 218

Unknown

Over: INTERSTATE 91 NORTHBOUND

3.7 MILES NORTH OF I-84, Hartford, CT

Built 1990 ADT: 57,300

INTERSTATE-291 TR

Unknown

Over: ROUTE 218 & BRIARWOOD DR

RAMP FROM 291 WB TO 91 NB, Hartford, CT

Built 1993 ADT: 16,200

INTERSTATE-291

Unknown

Over: ROUTE 159 & DEERFIELD RD

0.25 MILE WEST OF I-91, Hartford, CT

Built 1992 ADT: 11,000

INTERSTATE-291 WB

Unknown

Over: ROUTE 5 & CT SOUTHERN RR

2.75 MILES EAST OF I-91, Hartford, CT

Built 1993 ADT: 23,400

INTERSTATE-291 EB

Unknown

Over: ROUTE 5 & CT SOUTHERN RR

2.75 MILES EAST OF I-91, Hartford, CT

Built 1993 ADT: 23,400

I-291 RAMP C

Unknown

Over: ROUTE 5 & CT SOUTHERN RR

2.75 MILES EAST OF I-91, Hartford, CT

Built 1993 ADT: 23,400

INTERSTATE-291 WB

Unknown

Over: ROUTE 30

0.5 MILE NORTH OF US RT 5, Hartford, CT

Built 1993 ADT: 6,900

Showing 451-500 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.