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

MAIN STREET #1

Unknown

Over: ROUTE 72 & RAMPS

AT ROUTE 72 EXIT 1C, Hartford, CT

Built 1976 ADT: 5,900

WASHINGTON STREET

Unknown

Over: ROUTE 72

JCT COLUMBUS BLVD, Hartford, CT

Built 1975 ADT: 59,900

B&M RR & HIGH ST

Unknown

Over: ROUTE 72

RTE 72 BETWEEN I84 &RTE 9, Hartford, CT

Built 1976 ADT: 66,100

STANLEY STREET #1

Unknown

Over: ROUTE 9 & RAMPS

100Ft W EX28-RT9N ONRAMP, Hartford, CT

Built 1977 ADT: 10,400

ROUTE 174

Unknown

Over: ROUTE 9 TR 813

OVER RTE 9S TO ROUTE 72 N, Hartford, CT

Built 1978 ADT: 7,200

I-84 EB ONRAMP 186

Unknown

Over: I-84 WB EXIT 48 ON RAMP

EB ON RAMP FROM BROAD ST, Hartford, CT

Built 1979 ADT: 9,900

ROUTE 72 TR 801

Unknown

Over: ROUTES 174 & 9 SB

RT 174, 9 SB, Hartford, CT

Built 1978 ADT: 10,800

ROUTE 174 E. MAIN

Unknown

Over: ROUTE 9 NORTHBOUND

.2 MI EAST OF ROUTE 71, Hartford, CT

Built 1978 ADT: 25,800

ROUTE 174

Unknown

Over: ROUTE 9 SB

E MAIN ST OVER ROUTE 9 SB, Hartford, CT

Built 1978 ADT: 22,200

ROUTE 72

Unknown

Over: ROUTE 177

AT EXIT 1, Hartford, CT

Built 1980 ADT: 14,400

ROUTE 30

Unknown

Over: I-84 & I-84 RAMP 247

.26 MI SOUTH OF ROUTE 83, Hartford, CT

Built 1981 ADT: 11,400

CONN. SOUTHERN RR

Unknown

Over: INTERSTATE-84 & RAMPS

150'(W)O-PASS TOLLAND TPK, Hartford, CT

Built 1984 ADT: 15,000

I-84 TR 834

Unknown

Over: I-84, I-84 RAMPS 295-296

I-84 WB TO I-691 EB, Hartford, CT

Built 1987 ADT: 3,000

SIMMONS ROAD

Unknown

Over: INTERSTATE-84

0.3 MILE NORTH OF SR 502, Hartford, CT

Built 1985 ADT: 165,600

FORBES STREET

Unknown

Over: INTERSTATE-84

0.4 MILE NORTH OF SR 502, Hartford, CT

Built 1985 ADT: 82,800

I-384 & HOV RAMPS

Unknown

Over: I-84 TR 836

0.2 MI W OF MANCHESTER TL, Hartford, CT

Built 1986 ADT: 17,200

I-384 RAMP 003

Unknown

Over: I-384 TR 801

115'EAST OF E HARTFORD TL, Hartford, CT

Built 1987 ADT: 11,700

INTERSTATE-84

Unknown

Over: INTERSTATE-84 TR 836

0.1 MI W OF MANCHESTER TL, Hartford, CT

Built 1986 ADT: 17,200

ROUTE 3

Unknown

Over: ROUTE 2 & RAMP 080 EB

0.24 MI N OF MAIN ST OP, Hartford, CT

Built 1987 ADT: 3,400

ROUTE 3 TR 801

Unknown

Over: ROUTE 2 RAMP 080

500' EAST OF INT RTE. 3, Hartford, CT

Built 1987 ADT: 3,488

INTERSTATE-91

Unknown

Over: ROUTE 140

AT EXIT 45, Hartford, CT

Built 1959 ADT: 17,100

INTERSTATE-91

Unknown

Over: ROUTE 220

AT EXIT 48, Hartford, CT

Built 1960 ADT: 28,100

PEDESTRIAN WALKWAY

Unknown

Over: I-84 CAPITOL AVE. RAMPS

LEGISLATIVE OFFICE BLDG., Hartford, CT

Built 1987 ADT: 5,600

INTERSTATE-384 HOV

Unknown

Over: INTERSTATE-84 EASTBOUND

0.5 MILE EAST OF JCT I-84, Hartford, CT

Built 1986 ADT: 61,000

INTERSTATE-384 WB

Unknown

Over: INTERSTATE-84

0.6 MILE WEST OF SR 502, Hartford, CT

Built 1986 ADT: 122,000

US ROUTE 44

Unknown

Over: I84 & RAMPS-RTE-I384RAMP

.6 MI E OF E. HARTFORD TL, Hartford, CT

Built 1985 ADT: 18,078

TOLLAND TURNPIKE

Unknown

Over: INTERSTATE-84 & RAMPS

1.2 MI E OF JNCT RT44&I84, Hartford, CT

Built 1984 ADT: 16,396

I-291 & I-84 TR 83

Unknown

Over: I-84 RAMP 301

EXIT 60 I-84 WB 1 MILE, Hartford, CT

Built 1987 ADT: 3,500

ROUTE 9 SOUTHBOUND

Unknown

Over: ROUTE 15

6.3 MI SOUTH OF NEWINGTON, Hartford, CT

Built 1989 ADT: 20,500

BECKLEY ROAD

Unknown

Over: ROUTE 9

0.5 MILE NORTH OF RTE 372, Hartford, CT

Built 1988 ADT: 68,900

I-84 RAMP 305

Unknown

Over: I-84 RAMP 304 & E

INTERSTATE-84 WB EXIT 59, Hartford, CT

Built 1986 ADT: 8,500

I-384 TR 801 EB

Unknown

Over: US 6 EASTBOUND

.2MI W OF RTE 44 & 84 JCT, Hartford, CT

Built 1986 ADT: 7,300

ROUTE 15

Unknown

Over: SR 502 SILVER LANE

0.6 MI SOUTH OF JCT I-84, Hartford, CT

Built 1987 ADT: 10,800

ROUTE 9 NORTHBOUND

Unknown

Over: ROUTE 372

AT EXIT 21, Hartford, CT

Built 1988 ADT: 13,400

ROUTE 9 SOUTHBOUND

Unknown

Over: ROUTE 372

AT EXIT 21, Hartford, CT

Built 1988 ADT: 13,400

ROUTE 9 NORTHBOUND

Unknown

Over: ROUTE 15

6.3 MI SOUTH OF NEWINGTON, Hartford, CT

Built 1989 ADT: 20,500

ROUTE 372

Unknown

Over: ROUTE 15

400' E OF WRTHNGTON RIDGE, Hartford, CT

Built 1989 ADT: 20,500

SR 518 -ROBERTS ST

Unknown

Over: I-84 AND EXIT 58 RAMPS

0.1 MILE NORTH OF SR 502, Hartford, CT

Built 1987 ADT: 2,000

INTERSTATE-84 EB

Unknown

Over: ROUTE 15

0.5 MILE EAST OF ROUTE 5, Hartford, CT

Built 1987 ADT: 59,800

I-84 EB HOV LANE

Unknown

Over: RTE15&SILVER LA OFF RAMP

JCT OF SILVER LANE, Hartford, CT

Built 1988 ADT: 322

I-84 WB HOV LANE

Unknown

Over: ROUTE 15

JCT OF SILVER LANE, Hartford, CT

Built 1988 ADT: 59,800

I-84 EB HOV & WB R

Unknown

Over: I-84 EB, RTE 15, RAMP A

SILVER LA. ON & OFF RAMPS, Hartford, CT

Built 1987 ADT: 29,900

CD WB ROADWAY

Unknown

Over: I84 RAMP J(RT44 - I84WB)

1.2 MI E OF 84-384 SPLIT, Hartford, CT

Built 1984 ADT: 8,200

INTERSTATE-291 EB

Unknown

Over: I-84 RAMP 306

0.3 MI W OF JCT I-84 EB, Hartford, CT

Built 1986 ADT: 9,800

ROUTE 9 RAMP

Unknown

Over: ROUTE 9

EXIT 26 OFF ROUTE 9 NB, Hartford, CT

Built 1988 ADT: 81,900

JENNINGS ROAD

Unknown

Over: INTERSTATE-91

.4 MI NO OF I-84/91 INTER, Hartford, CT

Built 1989 ADT: 129,500

PEDESTRIAN WALKWAY

Unknown

Over: I-91 & TR 826, 839, 841

0.26 MILES NORTH OF I-84, Hartford, CT

Built 1990 ADT: 14,700

W-N TURNING RDWY

Unknown

Over: I-84/91 RAMPS, CSO RR

I-84 WB EXIT 51, Hartford, CT

Built 1990 ADT: 15,200

INTERSTATE-91 NB

Unknown

Over: ROUTE 159

300' NORTH OF EXIT 34 NB, Hartford, CT

Built 1991 ADT: 14,000

INTERSTATE-91 SB

Unknown

Over: ROUTE 159

300' SOUTH OF EXIT 34 SB, Hartford, CT

Built 1991 ADT: 13,900

Showing 401-450 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.