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

FAS 1857

Fair

Over: TRIB TO DRNG DITCH

3.6M SE FULTS ON CH3, Monroe, IL

Built 1955 Load: 40.2 t ADT: 200

IL 32 (FAP 762)

Fair

Over: LAKE SHELBYVILLE

4.0 MI S SULLIVAN, Moultrie, IL

Built 1967 Load: 40.2 t ADT: 4,300

BAILEYVILLE ROAD

Fair

Over: BR. LEAF RIVER

1.5 MI N FORRESTON, Ogle, IL

Built 1989 Load: 40.2 t ADT: 1,300

IL 17/40

Fair

Over: UP RR

AT CAMP GROVE, Peoria, IL

Built 1979 Load: 40.2 t ADT: 1,500

ILL 29

Fair

Over: COON CREEK

2MIS N CHILLICOTHE, Peoria, IL

Built 1952 Load: 40.2 t ADT: 5,350

ILL 13-127

Fair

Over: BEAUCOUP CREEK

3 MI S ILL 152, Perry, IL

Built 1926 Load: 40.2 t ADT: 3,500

TR 28

Fair

Over: DRAINAGE DITCH

0.5 MI S HULL, Pike, IL

Built 1979 Load: 40.2 t ADT: 125

FAS 928

Fair

Over: CACHE RIVER TRIB

VILLAGE OF KARNAK, Pulaski, IL

Built 2003 Load: 40.2 t ADT: 325

ILL 5

Fair

Over: MILL CREEK

1 MI E OF US 67, Rock Island, IL

Built 1932 Load: 40.2 t ADT: 12,400

ILL 97

Fair

Over: RICHLAND CREEK

.5M S SALISBURY, Sangamon, IL

Built 1936 Load: 40.2 t ADT: 4,200

ILL 163

Fair

Over: HARDING DITCH

50 FT E ILL 157, St. Clair, IL

Built 1975 Load: 40.2 t ADT: 3,350

US 20 WB

Fair

Over: WICKHAM CREEK

4.0 MI W WINN CO LN, Stephenson, IL

Built 1983 Load: 40.2 t ADT: 12,700

US 20 EB

Fair

Over: WICKHAM CREEK

4 MI W. WINNEBAGO CO, Stephenson, IL

Built 1999 Load: 40.2 t ADT: 12,700

I 57 NB

Fair

Over: CACHE RIVER

2.1 MI N ILL 146, Union, IL

Built 1959 Load: 40.2 t ADT: 7,150

I 57 SB

Fair

Over: CACHE RIVER

2.1 MI N ILL 146, Union, IL

Built 1959 Load: 40.2 t ADT: 7,150

TR-43

Fair

Over: JORDAN CREEK

2 MI SW LANCASTER, Wabash, IL

Built 1977 Load: 40.2 t ADT: 50

FAP-328 (US-45)

Fair

Over: SKILLET FORK CREEK

.8 MI S MILL SHOALS, White, IL

Built 1978 Load: 40.2 t ADT: 1,600

FAP-877 (ILL-141)

Fair

Over: TRIB CANE CREEK

3.5 MI E JCT ILL-1, White, IL

Built 1995 Load: 40.2 t ADT: 2,550

200 E

Fair

Over: TRIB TO BEAR CREEK

1.5MI N NORRIS CITY, White, IL

Built 2018 Load: 40.2 t ADT: 75

MOLINE RD

Fair

Over: ROCK CREEK

2.5 MI E ERIE, Whiteside, IL

Built 1971 Load: 40.2 t ADT: 1,000

IL 84

Fair

Over: BNSF RR

2 MI S OF CARROLL CO, Whiteside, IL

Built 1980 Load: 40.2 t ADT: 5,500

I- 57 SB

Fair

Over: ABANDONED RR

12.8 M S OF US 30, Will, IL

Built 1967 Load: 40.2 t ADT: 14,400

VINE STREET

Fair

Over: HICKORY CREEK

0.2 MI NORTH US 30, Will, IL

Built 1974 Load: 40.2 t ADT: 4,000

ILL 75

Fair

Over: PECATONICA RIVER

1.2 MI W MERIDIAN RD, Winnebago, IL

Built 1990 Load: 40.2 t ADT: 2,650

CROWLEY RD

Fair

Over: N BR OTTER CREEK

0.5 MI N FRITZ ROAD, Winnebago, IL

Built 1966 Load: 40.2 t ADT: 200

MERIDIAN RD

Fair

Over: BR N FK KENT CR

0.2 M N SAFFORD RD, Winnebago, IL

Built 1979 Load: 40.2 t ADT: 3,400

RIVERSIDE BLVD

Fair

Over: ROCK RIVER& RR

WEST LOVES PARK, Winnebago, IL

Built 1953 Load: 40.2 t ADT: 17,700

CH 5

Fair

Over: PANTHER CR

2 MI NORTH OF SECOR, Woodford, IL

Built 1975 Load: 40.2 t ADT: 250

ILL 143

Fair

Over: BEAVER CREEK

1.8 MI W OF ILL 127, Bond, IL

Built 1934 Load: 40.5 t ADT: 1,200

IL 99

Fair

Over: MISSOURI CREEK

.25 S SCHUYLER LINE, Brown, IL

Built 1931 Load: 40.5 t ADT: 500

ILL 78

Fair

Over: SAND CREEK

N EDGE ARGO FAY RD, Carroll, IL

Built 1989 Load: 40.5 t ADT: 1,550

MT AUBURN RD

Fair

Over: PAPER MILL BRANCH

3.2M N IL29,TAYLORVI, Christian, IL

Built 1933 Load: 40.5 t ADT: 950

CH-8

Fair

Over: LOCUST CREEK

1.75 MI W OWANECO, Christian, IL

Built 2003 Load: 40.5 t ADT: 300

FAI 64 EB

Fair

Over: SUGAR CK OVERFLOW

1/2 mi W DAMIANSVLLE, Clinton, IL

Built 1971 Load: 40.5 t ADT: 15,500

IL 19 (IRVING PAR

Fair

Over: RR - EJ&E

1.6 M W IL 59, Cook, IL

Built 1934 Load: 40.5 t ADT: 12,400

PULASKI RD

Fair

Over: SANITARY&SHIP CANAL

3700 S PULSKI ROAD, Cook, IL

Built 1930 Load: 40.5 t ADT: 18,800

ARGYLE ST

Fair

Over: N.BRANCH CHGO RIVER

5000 N & 3000 W, Cook, IL

Built 1909 Load: 40.5 t ADT: 1,475

IL 56

Fair

Over: PRVT RD & BIKE PATH

2.5 M E OF IL 59, DuPage, IL

Built 1985 Load: 40.5 t ADT: 19,600

FERRY RD

Fair

Over: WB DUPAGE RIVER

0.2 MI E OF RIVER RD, DuPage, IL

Built 1998 Load: 40.5 t ADT: 5,450

FAS 1751 (US-40)

Fair

Over: CSXT RR

.3 MI E BOND CO LN, Fayette, IL

Built 1943 Load: 40.5 t ADT: 1,250

FAS 2793 (ILL-140)

Fair

Over: HURRICANE CREEK

.9 MI SE US-40, Fayette, IL

Built 1983 Load: 40.5 t ADT: 600

TR-516

Fair

Over: TRIB SUGAR CREEK

1.5 MI NE ST ELMO, Fayette, IL

Built 1979 Load: 40.5 t ADT: 100

ILL 9

Fair

Over: BIG FOUR DITCH

9.94 MI E OF ILL 47, Ford, IL

Built 1975 Load: 40.5 t ADT: 1,700

TR 296

Fair

Over: EWING CK

SOUTH OF PARRISH, Franklin, IL

Built 1900 Load: 40.5 t ADT: 10

HEITZ RD - TR 459

Fair

Over: BN RR (078458U)

SW-20-T4NR1E, Fulton, IL

Built 2018 Load: 40.5 t ADT: 50

Hillview-Eldred Rd

Fair

Over: GARRISON HOLLOW CK

2 M S HILLVIEW, Greene, IL

Built 1960 Load: 40.5 t ADT: 300

TR-131

Fair

Over: BEAR CREEK

4 M NW GREENFIELD, Greene, IL

Built 1981 Load: 40.5 t ADT: 100

ILL 47

Fair

Over: MURRAY CREEK

7.23 MILES N OF I-55, Grundy, IL

Built 1994 Load: 40.5 t ADT: 4,550

ILL 96

Fair

Over: THOMPSON CREEK

AT THIRD AND ELM STS, Henderson, IL

Built 2010 Load: 40.5 t ADT: 1,950

IL 94

Fair

Over: N HENDERSON CREEK

3.6MI W OF IL 135, Henderson, IL

Built 1988 Load: 40.5 t ADT: 500

Showing 12,101-12,150 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.