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

INTERSTATE-84 WB

Unknown

Over: RT 72 NB, RR & RT 372

I-84/RT 72 INTERCHANGE 11, Hartford, CT

Built 1969 ADT: 9,400

INTERSTATE-84 EB

Unknown

Over: RT 72, RT 372 & PanAm RR

I-84 EXIT 35, Hartford, CT

Built 1969 ADT: 9,400

I-84 TR 815

Unknown

Over: I-84EB,RTE72,372,PanAmRR

I84 WB EXT 35 TO RT 72 EB, Hartford, CT

Built 1969 ADT: 9,400

NORTH MOUNTAIN RD

Unknown

Over: I-84 EB AND TR 816

BETWEEN EXITS 35&36,I-84, Hartford, CT

Built 1969 ADT: 37,700

NORTH MOUNTAIN RD.

Unknown

Over: I-84 WESTBOUND & RAMPS

At Exit 35 Westbound, Hartford, CT

Built 1968 ADT: 1,900

I-84 TR 814

Unknown

Over: SR 536 (WOODFORD AVENUE)

RTE 72 NB RAMP TO 84 WB, Hartford, CT

Built 1969 ADT: 11,400

I-84 TR 813

Unknown

Over: I-84 WB & SR 536

I-84 EB EXIT 33 TO RT72WB, Hartford, CT

Built 1969 ADT: 38,700

I-84 TR 813

Unknown

Over: ROUTE 72 SOUTHBOUND

INTERSTATE-84 EB EXIT 33, Hartford, CT

Built 1969 ADT: 25,000

I-84 TR 816

Unknown

Over: RTE372,PAN RR,QUINNIPIAC

EXIT 6 ON ROUTE 72 WB, Hartford, CT

Built 1969 ADT: 9,400

INTERSTATE 84 RAMP

Unknown

Over: INTERSTATE 84 EASTBOUND

I-84 EB EXIT 36 OFF RAMP, Hartford, CT

Built 1968 ADT: 39,900

I-84 RAMPS 181&184

Unknown

Over: I-84 and I-84 Ramp 181

.6 MI E PLAINVILLE-N.B.TL, Hartford, CT

Built 1969 ADT: 1,900

LONG SWAMP ROAD

Unknown

Over: INTERSTATE-84

BETWEEN EXITS 36 & 37,I84, Hartford, CT

Built 1969 ADT: 90,100

FIENEMANN ROAD

Unknown

Over: INTERSTATE-84

ADJACENT TO I-84 EXIT 37, Hartford, CT

Built 1967 ADT: 88,900

PEARL STREET

Unknown

Over: ROUTE 190

0.5 MILE WEST OF I-91, Hartford, CT

Built 1966 ADT: 18,900

US ROUTE 5

Unknown

Over: ROUTE 190

2.7 MI N OF I-91, Hartford, CT

Built 1966 ADT: 18,900

INTERSTATE-84 EAST

Unknown

Over: NEW PARK AV,AMTRAK,SR504

NEW PARK AV,AMTRAK,SR504, Hartford, CT

Built 1967 ADT: 11,000

PEDESTRIAN WALKWAY

Unknown

Over: I-84 RAMP 191

CAPITOL AVE RAMP TO I84WB, Hartford, CT

Built 1966 ADT: 5,400

I-84 TR 823

Unknown

Over: I84,503,RR,CAP AV,FOREST

RAMP I-84EB TO SISSON AVE, Hartford, CT

Built 1969 ADT: 10,000

SR 503 EASTBOUND

Unknown

Over: I-84&AMTRAK&LOCAL RDS

.26 MILES S OF JCT I-84WB, Hartford, CT

Built 1969 ADT: 129,200

ROUTE 372

Unknown

Over: ROUTE 72

CORBIN AVE, Hartford, CT

Built 1970 ADT: 30,600

SOUTH ROAD

Unknown

Over: ROUTE 9 SOUTHBOUND

SOUTH OF FARMINGTON STACK, Hartford, CT

Built 1969 ADT: 25,500

VACANT ROUTE 9 SB

Unknown

Over: INTERSTATE-84

FARMINGTON @STACK, Hartford, CT

Built 1969 ADT: 100,100

VACANT RTE. 9 RAMP

Unknown

Over: I-84, I-84 TR 820,SR 506

FOURTH LEVEL-EXIT 39A, Hartford, CT

Built 1970 ADT: 15,300

ROUTE 9 TR 806

Unknown

Over: INTERSTATE-84 & RAMPS

ROUTE 9 RAMP TO WB I-84, Hartford, CT

Built 1969 ADT: 49,000

INTERSTATE 84 WEST

Unknown

Over: US RTE 6 EB & SR 531 WB

2 MI WEST W. HARTFORD TL., Hartford, CT

Built 1969 ADT: 9,300

INTERSTATE 84 EAST

Unknown

Over: US RTE 6 EB & SR 531 WB

AT EXIT 38, Hartford, CT

Built 1969 ADT: 1,500

INTERSTATE-84 WB

Unknown

Over: I-84 TR 818

1.73 MI WEST W.HTFD TL, Hartford, CT

Built 1969 ADT: 5,700

INTERSTATE-84 WB

Unknown

Over: SR 508

1.61 MI WEST W.HTFD TL, Hartford, CT

Built 1969 ADT: 9,200

SR 531 (SOUTH RD)

Unknown

Over: I-84 & SR 508

EAST OF I-84 EXIT 39, Hartford, CT

Built 1969 ADT: 112,000

INTERSTATE 84 TR 8

Unknown

Over: INTERSTATE 84 RAMP 207

ROUTE 4 RAMP TO I-84 WB, Hartford, CT

Built 1969 ADT: 8,600

I-84 TR 818

Unknown

Over: SR 508 EASTBOUND

I-84 EB EXIT 39 OFF RAMP, Hartford, CT

Built 1969 ADT: 9,200

ROUTE 175

Unknown

Over: SSR 405 (MOUNTAIN RD)

.5 M W OF WETHERSFIELD TL, Hartford, CT

Built 1968 ADT: 500

SR 502 -SPENCER ST

Unknown

Over: INTERSTATE-384

1 MI EAST OF EH TOWNLINE, Hartford, CT

Built 1974 ADT: 56,800

HILLSTOWN ROAD

Unknown

Over: INTERSTATE-384

0.25 MILE S OF SPENCER ST, Hartford, CT

Built 1970 ADT: 62,100

KEENEY STREET

Unknown

Over: INTERSTATE-384

1 MILE WEST ROUTE 83, Hartford, CT

Built 1968 ADT: 48,600

PROSPECT STREET

Unknown

Over: INTERSTATE-384

0.5 MILE WEST OF ROUTE 83, Hartford, CT

Built 1968 ADT: 53,700

ROUTE 83

Unknown

Over: INTERSTATE-384

1.6 MILE N GLASTONBURY TL, Hartford, CT

Built 1970 ADT: 44,500

GARDNER STREET

Unknown

Over: INTERSTATE-384 + HOP BRK

1 MI EAST JUNC RT 83, Hartford, CT

Built 1970 ADT: 38,700

SPRING STREET

Unknown

Over: INTERSTATE-384

2.3 MILES EAST OF RTE 83, Hartford, CT

Built 1970 ADT: 30,800

INTERSTATE-384 WB

Unknown

Over: SR 534 (CAMP MEETING RD)

0.7 MI WEST OF BOLTON T.L, Hartford, CT

Built 1968 ADT: 7,600

INTERSTATE-384 EB

Unknown

Over: SR 534 (CAMP MEETING RD)

0.7 MI WEST OF BOLTON T.L, Hartford, CT

Built 1968 ADT: 7,600

SR 508

Unknown

Over: SR 549 (BIRDSEYE ROAD)

ADJ TO JUNC ROUTE 4+84, Hartford, CT

Built 1972 ADT: 7,800

ROUTE 71

Unknown

Over: ROUTE 72 & RAMPS

0.1 MILE W OF ROUTE 9 INT, Hartford, CT

Built 1971 ADT: 41,800

ELLIS STREET

Unknown

Over: ROUTE 9 & RTE 9 RAMPS

EXIT 25 FROM RTE 9, Hartford, CT

Built 1975 ADT: 4,300

WHITING STREET

Unknown

Over: ROUTE 9 & ROUTE 9 RAMP

RTE 72 TO RTE 9SB 4TH BR, Hartford, CT

Built 1976 ADT: 4,700

PAN AM RAILROAD

Unknown

Over: ROUTE 9

ROUTE 9 NB EXIT 26, Hartford, CT

Built 1976 ADT: 81,900

CHESTNUT STREET

Unknown

Over: ROUTE 9 NORTHBOUND

0.1 MILE S. OF JUNC RT72, Hartford, CT

Built 1975 ADT: 39,600

CHESTNUT STREET

Unknown

Over: ROUTE 9 SOUTHBOUND

RT9 SOUTHBOUND EXIT27, Hartford, CT

Built 1975 ADT: 42,300

ROUTE 72 WESTBOUND

Unknown

Over: RTE 9SB & RTE 9-RAMP 055

AT BEGINNING OF ROUTE 72, Hartford, CT

Built 1978 ADT: 2,600

ROUTE 72 TR 801

Unknown

Over: ROUTE 72 NORTHBOUND

OVER RTE 72 NB, Hartford, CT

Built 1978 ADT: 17,200

Showing 351-400 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.