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

I 64 EB

Fair

Over: FRENCH CREEK

1 MI W ILL-1, White, IL

Built 1972 Load: 39.2 t ADT: 6,100

LYNN BLVD

Fair

Over: BR. ELKHORN CREEK

0.5 MI N LEFEVER RD, Whiteside, IL

Built 1995 Load: 39.2 t ADT: 1,975

GOUGAR RD

Fair

Over: PRAIRIE CREEK

0.4 MI N HUFF RD, Will, IL

Built 1962 Load: 39.2 t ADT: 450

PECATONICA RD

Fair

Over: PECATONICA RIVER

N EDGE OF PECATONICA, Winnebago, IL

Built 1985 Load: 39.2 t ADT: 2,700

TR.50

Fair

Over: PARTRIDGE CREEK

825 EAST 1675 NORTH, Woodford, IL

Built 1978 Load: 39.2 t ADT: 275

FAU 7823/N 12TH ST

Fair

Over: CEDAR CREEK

1.9MI S IL24 ON 12TH, Adams, IL

Built 1995 Load: 39.5 t ADT: 6,300

TR 67

Fair

Over: JACKSON CREEK

0.4 MI E OF TAMMS, Alexander, IL

Built 1987 Load: 39.5 t ADT: 150

TR 47A

Fair

Over: JACKSON CREEK

1 MILE N OF TAMMS, Alexander, IL

Built 1989 Load: 39.5 t ADT: 100

MAIN ST

Fair

Over: KISHWAUKEE RIVER

S OF LINCOLN AVE, Boone, IL

Built 1972 Load: 39.5 t ADT: 4,150

TR 84

Fair

Over: PRAIRIE CREEK

6 MI ENE ARENZVILLE, Cass, IL

Built 1959 Load: 39.5 t ADT: 50

FAP 709 (US 136)

Fair

Over: SANGAMON RIVER

1 MI E OF FISHER, Champaign, IL

Built 1972 Load: 39.5 t ADT: 2,500

FAS 2704(OLD-50)

Fair

Over: STREAM

.1 MI E C BROWN PARK, Clay, IL

Built 1993 Load: 39.5 t ADT: 1,750

PALATINE EB FRNT R

Fair

Over: DES PLAINES RIVER

E US 45 (MILWAUKEE), Cook, IL

Built 1965 Load: 39.5 t ADT: 4,250

IL 394 NB

Fair

Over: RR - EJ&E AND NS

0.5 M S US 30, Cook, IL

Built 1955 Load: 39.5 t ADT: 30,700

GRAND AVE

Fair

Over: DES PLAINES RIVER

2 M W IL 43, Cook, IL

Built 1922 Load: 39.5 t ADT: 16,500

IL 19 (IRVING PAR

Fair

Over: DES PLAINES RIVER

E. DES PLAINES RIV R, Cook, IL

Built 1996 Load: 39.5 t ADT: 21,000

IL 38 FAP 567

Fair

Over: E. BR. KILBUCK CREEK

1.5 MI. E. CRESTON, DeKalb, IL

Built 1995 Load: 39.5 t ADT: 5,750

US 36(FAP 323)

Fair

Over: DRAINAGE DITCH

.75 MI W OF MURDOCK, Douglas, IL

Built 1987 Load: 39.5 t ADT: 2,500

FAP-825 (ILL-15)

Fair

Over: STREAM

2 MI E ALBION, Edwards, IL

Built 1979 Load: 39.5 t ADT: 3,300

FAS 2796 (US-40)

Fair

Over: BIG CREEK

W OF ALTAMONT, Effingham, IL

Built 1989 Load: 39.5 t ADT: 2,900

FAU 8381

Fair

Over: SLATE CREEK

S PART EFFINGHAM, Effingham, IL

Built 1974 Load: 39.5 t ADT: 950

TR-34A

Fair

Over: BIG CREEK

1.5 MI SE ALTAMONT, Effingham, IL

Built 1985 Load: 39.5 t ADT: 100

FAI-70 EB

Fair

Over: RACCOON CREEK

0.25 MI W. US-40 INT, Fayette, IL

Built 1966 Load: 39.5 t ADT: 12,900

FAI-70 WB

Fair

Over: RACCOON CREEK

0.25 MI W. US-40 INT, Fayette, IL

Built 1966 Load: 39.5 t ADT: 12,900

FAP-752 (US-40)

Fair

Over: CAMP CREEK OVERFLOW

1.1 MI E US-51, Fayette, IL

Built 1988 Load: 39.5 t ADT: 3,950

IL 267

Fair

Over: LICK CREEK South

6.6 M N GREENFIELD, Greene, IL

Built 1939 Load: 39.5 t ADT: 2,150

TR 42

Fair

Over: HURRICANE CREEK

.5 MI S OF HILLVIEWL, Greene, IL

Built 1987 Load: 39.5 t ADT: 25

IL 96

Fair

Over: CHANEY CREEK

.5M N US136,HAMILTON, Hancock, IL

Built 1935 Load: 39.5 t ADT: 1,650

IL 61

Fair

Over: FLOUR CREEK

3.6M N IL101-AUGUSTA, Hancock, IL

Built 2001 Load: 39.5 t ADT: 1,100

TR 73

Fair

Over: LA HARPE CREEK

2.5 SE LAHARPE, Hancock, IL

Built 1978 Load: 39.5 t ADT: 75

US 150

Fair

Over: MUD CREEK

0.1 MI S OPHIEM RD, Henry, IL

Built 1930 Load: 39.5 t ADT: 2,300

GREEN RIVER ROAD

Fair

Over: MINERAL CREEK

0.4 MI. N. OF US 6, Henry, IL

Built 1990 Load: 39.5 t ADT: 1,050

COUNTY HIGHWAY 41

Fair

Over: COON CREEK

6.30 MI S OF US-24, Iroquois, IL

Built 1954 Load: 39.5 t ADT: 350

TR 189

Fair

Over: POND CREEK

EAST LINE SEC 29-8-2, Jackson, IL

Built 1987 Load: 39.5 t ADT: 1,150

ILL 16 & 100

Fair

Over: AUTEN DITCH

1.6 MI SE CALHOUN CO, Jersey, IL

Built 1965 Load: 39.5 t ADT: 2,250

ILL 100

Fair

Over: BAUM BRANCH CREEK

0.1 M S JCT 16, Jersey, IL

Built 1928 Load: 39.5 t ADT: 950

CANYON ROAD

Fair

Over: WOLF CREEK

1.4 MI W OF IL 78, Jo Daviess, IL

Built 1990 Load: 39.5 t ADT: 250

EB US 34

Fair

Over: CEDAR CREEK

SW EDGE OF GALESBURG, Knox, IL

Built 1979 Load: 39.5 t ADT: 8,950

IL 23 NB IN STREAT

Fair

Over: INTER STREAM

14.30 MI S OF ILL 71, LaSalle, IL

Built 1965 Load: 39.5 t ADT: 8,000

ILL 23 FAP 68

Fair

Over: OTTER CR

2.8 MI N. OF ILL 18, LaSalle, IL

Built 1974 Load: 39.5 t ADT: 6,300

FAS-1808 (SBI-12)

Fair

Over: ALLISON DITCH NO 2

5 MI E LAWRENCELILLE, Lawrence, IL

Built 1992 Load: 39.5 t ADT: 2,450

ILL 17

Fair

Over: VERMILION RIVER

1.3 M E JCT 17 & 23, Livingston, IL

Built 1937 Load: 39.5 t ADT: 1,800

ILL 17

Fair

Over: DRAIN DT

2.5 M E JCT 17 & 23, Livingston, IL

Built 1937 Load: 39.5 t ADT: 525

IL 23

Fair

Over: NORTH CREEK

2.11 MI S OF I55, Livingston, IL

Built 1994 Load: 39.5 t ADT: 5,150

OLD IL 121

Fair

Over: SUGAR CREEK

2.5MI SE HARTSBURG, Logan, IL

Built 1999 Load: 39.5 t ADT: 1,200

IL 111

Fair

Over: LITTLE PIASA CREEK

3.7 M S JCT IL 16, Macoupin, IL

Built 1929 Load: 39.5 t ADT: 4,550

TOWNSHIP ROAD 354

Fair

Over: SUGAR CREEK

4.5 MI WEST VIRDEN, Macoupin, IL

Built 1981 Load: 39.5 t ADT: 125

FAI 55/70 EB

Fair

Over: CANTEEN CREEK

FAI 70 OVER CANTEEN, Madison, IL

Built 1960 Load: 39.5 t ADT: 26,800

FAI 55/70 WB

Fair

Over: CANTEEN CREEK

FAI 70 OVER CANTEEN, Madison, IL

Built 1960 Load: 39.5 t ADT: 26,800

FAI 70 EB

Fair

Over: HIGHLAND SILVER LAKE

2.8 M E ILL 143, Madison, IL

Built 1962 Load: 39.5 t ADT: 11,800

Showing 11,901-11,950 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.