State profile · Near median Poor share

Illinois bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Illinois, based on the FHWA National Bridge Inventory.

27,743
Public bridges
41.2%
Good condition
7.9%
Poor condition

Data updated May 2026

Total Bridges

27,743

Public highway bridges in Illinois

Good Condition

41.2%

11,426 bridges rated 7-9

-8.8pp vs 50% benchmark

Poor Condition

7.9%

2,186 bridges whose lowest applicable component is rated 0-4

0.9pp vs national avg 7.0%

Illinois vs national bridge condition

Illinois - Good condition share 41.2%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Illinois - Poor-condition share 26.3%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Illinois 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 Illinois on the same metric.

RI

Rhode Island

7.69% top marginal rate
Structure
Progressive
Burden @ $100K
$78

NE

Nebraska

7.73% top marginal rate
Structure
Progressive
Burden @ $100K
$15,571
Selected

IL

Illinois

7.88% top marginal rate
Structure
Progressive
Burden @ $100K
$27,743

MA

Massachusetts

7.96% top marginal rate
Structure
Progressive
Burden @ $100K
$5,314

MO

Missouri

8.53% top marginal rate
Structure
Progressive
Burden @ $100K
$24,654

Bridges Needing Most Attention in Illinois

Six lowest-condition bridges in Illinois, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Illinois

ILL 160

Fair

Over: N TRIB TO BR LAKE CR

.5 MI N NEW BADEN, Clinton, IL

Built 1955 Load: 32.4 t ADT: 4,150

TR 220

Fair

Over: PRAIRE CREEK BRANCH

2.5 MI SE SHATTUC, Clinton, IL

Built 1948 Load: 32.4 t ADT: 750

TR 193/HUGO ROAD

Fair

Over: LOST CREEK

1 MI WEST SAND PIT, Clinton, IL

Built 1979 Load: 32.4 t ADT: 50

TR 151/ROCKY FORD

Fair

Over: SUGAR CREEK

3 MI SE TRENTON, Clinton, IL

Built 1983 Load: 32.4 t ADT: 425

TR 177/COURT ROAD

Fair

Over: SUGAR CREEK

1.0 MI. N.W. ALBERTS, Clinton, IL

Built 1984 Load: 32.4 t ADT: 225

TR 193/HUGO ROAD

Fair

Over: PRAIRIE CREEK

1 MILE NE HOFFMAN, Clinton, IL

Built 1987 Load: 32.4 t ADT: 250

TR 184A/CREEK RD

Fair

Over: LOST CREEK

1140 N CREEK RD, Clinton, IL

Built 1997 Load: 32.4 t ADT: 75

TR 193 HUGO RD

Fair

Over: PRAIRIE CREEK

2 MILES NW OF CENTRA, Clinton, IL

Built 1998 Load: 32.4 t ADT: 175

SHATTUC RD/TR 206A

Fair

Over: COLES CREEK

2MI N OF SHATTUC, Clinton, IL

Built 2001 Load: 32.4 t ADT: 275

TR 176/MONKEN RD

Fair

Over: LOST CREEK BRANCH

2 MI W. OF HOFFMAN, Clinton, IL

Built 2001 Load: 32.4 t ADT: 50

TR 17 S

Fair

Over: BRANCH OF CARLYLE

1MI SW OF KEYSPORT, Clinton, IL

Built 2003 Load: 32.4 t ADT: 200

Hahn Rd

Fair

Over: LOST CREEK

1 MI NE SHATTUC, Clinton, IL

Built 2012 Load: 32.4 t ADT: 25

TR 65/PEEK ROAD

Fair

Over: BRANCH OF BEAVER CK

1 MI S.E. STOLLETOWN, Clinton, IL

Built 1976 Load: 32.4 t ADT: 75

ST. ROSE RD/FAS 77

Fair

Over: DITCH

1590 ST. ROSE RD., Clinton, IL

Built 1901 Load: 32.4 t ADT: 3,200

FAS 1781/CH2-HOPEW

Fair

Over: ALLEN BRANCH

2.5M SW OF KEYESPORT, Clinton, IL

Built 1982 Load: 32.4 t ADT: 675

DAMIANSVILLE RD

Fair

Over: SUGAR CREEK

.5 MI W DAMIANSVILLE, Clinton, IL

Built 2004 Load: 32.4 t ADT: 550

AVISTON RD/FAS 785

Fair

Over: LAKE BRANCH

2 MI SOUTH AVISTON, Clinton, IL

Built 1990 Load: 32.4 t ADT: 2,650

CH 19

Fair

Over: LOST CREEK

1 MILE NE OF SHATTUC, Clinton, IL

Built 1998 Load: 32.4 t ADT: 325

NORTH OAK STREET

Fair

Over: BRANCH OF SUGAR CK

N. OAK ST./TRENTON, Clinton, IL

Built 1991 Load: 32.4 t ADT: 75

FAP 320(IL 121)

Fair

Over: STREAM

2.1 MI E OF CO LINE, Coles, IL

Built 1995 Load: 32.4 t ADT: 4,100

TR 258

Fair

Over: WHETSTONE CREEK

4 MI N OF HUTTON, Coles, IL

Built 1974 Load: 32.4 t ADT: 150

CH 5(FAS 676)

Fair

Over: HURRICANE CREEK

1.5 MI S OF HUTTON, Coles, IL

Built 1977 Load: 32.4 t ADT: 100

WESTFIELD RD(MS320

Fair

Over: POLECAT CREEK

SE EDGE ASHMORE, Coles, IL

Built 1979 Load: 32.4 t ADT: 225

TR 194

Fair

Over: CASSEL CREEK

2.5 MI S CHARLESTON, Coles, IL

Built 1980 Load: 32.4 t ADT: 175

CH 13

Fair

Over: CRABAPPLE CREEK

4.0 MI NW MATTOON, Coles, IL

Built 1980 Load: 32.4 t ADT: 200

TR 184

Fair

Over: S FORK INDIAN CREEK

5 MI E OF LERNA, Coles, IL

Built 1980 Load: 32.4 t ADT: 75

TR 100A

Fair

Over: FLAT BRANCH CREEK

0.5 MI E HUMBOLDT, Coles, IL

Built 1981 Load: 32.4 t ADT: 75

TR 324

Fair

Over: LITTLE EMBARRAS R

1 MI SE OAKLAND, Coles, IL

Built 1981 Load: 32.4 t ADT: 125

CH 7

Fair

Over: RILEY CREEK

2 MI W CHARLESTON, Coles, IL

Built 1981 Load: 32.4 t ADT: 600

TR 55

Fair

Over: GREASY CREEK

2 MI W BUSHTON, Coles, IL

Built 1981 Load: 32.4 t ADT: 125

TR 119

Fair

Over: CRABAPPLE CREEK

2.5 MI N MATTOON, Coles, IL

Built 1981 Load: 32.4 t ADT: 100

FAU 7624(TR 175C)

Fair

Over: CASSEL CREEK

.5 MI W CHARLESTON, Coles, IL

Built 1982 Load: 32.4 t ADT: 550

TR 23

Fair

Over: GREASY CREEK

1.2 MI NW RARDIN, Coles, IL

Built 1981 Load: 32.4 t ADT: 50

TR 195

Fair

Over: LITTLE WABASH RIVER

2.0 MI W MATTOON, Coles, IL

Built 1982 Load: 32.4 t ADT: 25

TR 68

Fair

Over: CLEAR CREEK

1 MI N OF TRILLA, Coles, IL

Built 1982 Load: 32.4 t ADT: 400

TR 273

Fair

Over: CLEAR CREEK

0.8 MI N TRILLA, Coles, IL

Built 1982 Load: 32.4 t ADT: 100

TR 5

Fair

Over: HOG BRANCH CREEK

1.0 MI N OAKLAND, Coles, IL

Built 1982 Load: 32.4 t ADT: 50

TR 286

Fair

Over: LITTLE EMBARRAS R

4 MI SW OF OAKLAND, Coles, IL

Built 1987 Load: 32.4 t ADT: 125

TR 332 A

Fair

Over: LITTLE EMBARRAS R

3 MI SE OAKLAND, Coles, IL

Built 1985 Load: 32.4 t ADT: 75

TR 234

Fair

Over: GREASY CREEK

1.5 NW RARDIN, Coles, IL

Built 1982 Load: 32.4 t ADT: 50

TR 159

Fair

Over: RATTLESNAKE CREEK

2.5 MI E CHARLESTON, Coles, IL

Built 1983 Load: 32.4 t ADT: 200

TR 106A

Fair

Over: RILEY CREEK

3 MI E MATTOON, Coles, IL

Built 1982 Load: 32.4 t ADT: 50

TR 1

Fair

Over: EMBARRAS RIVER

1.5 MI N OAKLAND, Coles, IL

Built 1982 Load: 32.4 t ADT: 250

CH 17

Fair

Over: EMBARRAS RIVER

2.5 MI E CHARLESTON, Coles, IL

Built 1985 Load: 32.4 t ADT: 700

TR 195

Fair

Over: BRANCH LITTLE WABASH

1 MI SW MATTOON, Coles, IL

Built 1985 Load: 32.4 t ADT: 50

TR 43

Fair

Over: FLAT BRANCH

4.7 MI E OF HUMBOLDT, Coles, IL

Built 1986 Load: 32.4 t ADT: 75

TR 276

Fair

Over: DUDLY BR OF POLECAT

1.25 MI SW ASHMORE, Coles, IL

Built 1986 Load: 32.4 t ADT: 100

FAS 1672(CH 16)

Fair

Over: FLAT BRANCH

0.1 E OF HUMBOLDT, Coles, IL

Built 1984 Load: 32.4 t ADT: 275

CH 7

Fair

Over: UNION DRAIN DIT #3

2.5 MI W CHARLESTON, Coles, IL

Built 1987 Load: 32.4 t ADT: 375

FAS 1666(CH 9)

Fair

Over: S FORK INDIAN CREEK

4 MI E OF LERNA, Coles, IL

Built 1986 Load: 32.4 t ADT: 450

Showing 7,551-7,600 of 27,743 bridges

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.

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.