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

WOLF RD

Fair

Over: HICKORY CREEK

1 M N OF US 30, Will, IL

Built 1988 Load: 33.0 t ADT: 10,800

CH 13/S MARKET ST

Fair

Over: CRAB ORCHARD CR

AT SCL MARION, Williamson, IL

Built 1986 Load: 33.0 t ADT: 3,550

PECATONICA ROAD

Fair

Over: OTTER CREEK

0.1 MI S DURAND ROAD, Winnebago, IL

Built 1971 Load: 33.0 t ADT: 10

WHEELER RD

Fair

Over: OTTER CREEK

1 MI N FRITZ ROAD, Winnebago, IL

Built 2009 Load: 33.0 t ADT: 525

WINSLOW RD

Fair

Over: SUGAR CREEK

W EDGE OF SHIRLAND, Winnebago, IL

Built 1977 Load: 33.0 t ADT: 325

MINNS DRIVE

Fair

Over: WILLOW CREEK

.3 MI E. ALPINE RD, Winnebago, IL

Built 1990 Load: 33.0 t ADT: 750

FAS 2360CH 25

Fair

Over: BURKETT HOL

1.5 MI S BAYVIEW GAR, Woodford, IL

Built 1990 Load: 33.0 t ADT: 1,250

FAS 364/CH 13

Fair

Over: TRIB W BR PANTHER CR

1090N/1800E, Woodford, IL

Built 2004 Load: 33.0 t ADT: 750

IL 57

Fair

Over: HARKNESS CREEK

AT BLUFF HALL, Adams, IL

Built 1941 Load: 33.4 t ADT: 4,150

CH 8

Fair

Over: JENKINS CREEK

1.4 MI. W MARCELLINE, Adams, IL

Built 1900 Load: 33.4 t ADT: 150

FAS 945

Fair

Over: TRIB SEXTON CREEK

5 MI E OF MCCLURE, Alexander, IL

Built 1958 Load: 33.4 t ADT: 650

I-80 WB

Fair

Over: DRAINAGE DITCH

1.0 MI. W. OF IL 40, Bureau, IL

Built 1963 Load: 33.4 t ADT: 8,950

ILL 78

Fair

Over: JOHNSON CREEK

0.5 MI S JCT ILL 40, Carroll, IL

Built 1984 Load: 33.4 t ADT: 1,700

GRIDLEY RD - TR 89

Fair

Over: JOBS CREEK

2 MI E VIRGINIA, Cass, IL

Built 1981 Load: 33.4 t ADT: 400

I-57

Fair

Over: CARL BRANCH

4 MI S US 136, Champaign, IL

Built 1969 Load: 33.4 t ADT: 22,500

FAP 709 (US 136)

Fair

Over: SALT FORK VERMILION

.5 MI E OF RANTOUL, Champaign, IL

Built 1986 Load: 33.4 t ADT: 3,750

FAS 1781

Fair

Over: LUEBBERS BRANCH

0.3 MI W HAZLET PARK, Clinton, IL

Built 1963 Load: 33.4 t ADT: 325

TR 184/CREEK ROAD

Fair

Over: PRAIRIE CK BRANCH

3 MI W SHATTUC, Clinton, IL

Built 1963 Load: 33.4 t ADT: 25

I- 94, US 41 EDENS

Fair

Over: SKOKIE RIVER

0.9 M S WILLOW RD, Cook, IL

Built 1949 Load: 33.4 t ADT: 122,600

FOSTER AVE

Fair

Over: N SHORE CHANNEL

0.7 M W US 41, Cook, IL

Built 1935 Load: 33.4 t ADT: 19,100

CENTRAL AVE

Fair

Over: STONY CREEK

0.2 M S 103RD P26, Cook, IL

Built 1967 Load: 33.4 t ADT: 18,600

I-294 NB

Fair

Over: FLAG CR NORTH

0.9 M S US 34 P10, Cook, IL

Built 1958 Load: 33.4 t ADT: 86,900

FAP 116 (IL 130)

Fair

Over: CSXT RR

.5 MI S US 40, Cumberland, IL

Built 1931 Load: 33.4 t ADT: 3,150

US 51 (SB)(FAP 322

Fair

Over: LONG POINT CREEK

2 MI N OF WAPELLA, De Witt, IL

Built 1986 Load: 33.4 t ADT: 9,650

FAP-116 (ILL-130)

Fair

Over: STREAM

2 MI S RICHLAND CL, Edwards, IL

Built 1931 Load: 33.4 t ADT: 3,450

TR-100

Fair

Over: ONION CREEK

1.5 MI NW GRAYVILLE, Edwards, IL

Built 1984 Load: 33.4 t ADT: 50

FAP-322 (US-51)

Fair

Over: HICKORY CREEK

3.5 MI S US-40, Fayette, IL

Built 1965 Load: 33.4 t ADT: 3,500

ILL 149

Fair

Over: BNSF RR

2.4 MI W W FRANKFORT, Franklin, IL

Built 1934 Load: 33.4 t ADT: 3,300

FAS 450 - CH 20

Fair

Over: CEDAR CREEK

S1/2-15-T8NR1E, Fulton, IL

Built 1979 Load: 33.4 t ADT: 150

ILL 108

Fair

Over: TAYLOR CREEK

0.5 M E JCT IL 267, Greene, IL

Built 1930 Load: 33.4 t ADT: 800

MINOOKA RD/FAU400

Fair

Over: AUX SABLE CREEK

2.0 MI W OF MINOOKA, Grundy, IL

Built 1993 Load: 33.4 t ADT: 2,900

TR 123 PRAIRIE ROA

Fair

Over: WAUPECON CREEK

.27 MI W GONNAM ROAD, Grundy, IL

Built 1982 Load: 33.4 t ADT: 100

TR 130 HIGGINS RD

Fair

Over: TRIB TO MAZON RIVER

0.11 MI S ILL 113, Grundy, IL

Built 1987 Load: 33.4 t ADT: 125

TR-74A Verona Road

Fair

Over: Murray Sluice

0.53M S. Gardner Rd, Grundy, IL

Built 1989 Load: 33.4 t ADT: 225

FAP-853 (ILL-14)

Fair

Over: BR 10 MILE CREEK

5.2 MI E FRANK CO LN, Hamilton, IL

Built 1979 Load: 33.4 t ADT: 2,100

US 136

Fair

Over: MISS R/1ST/KEOKUK JCT RR

HAMILTN,IL-KEOKUK,IA, Hancock, IL

Built 1985 Load: 33.4 t ADT: 10,500

US 6

Fair

Over: MUD CREEK

.3 MI. E. OF IL 84, Henry, IL

Built 1992 Load: 33.4 t ADT: 4,300

IL 82

Fair

Over: HILLERY CREEK

3.2 MI S CAMBRIDGE, Henry, IL

Built 1994 Load: 33.4 t ADT: 750

TR 189

Fair

Over: BR OF SPRING CREEK

2MI E JCT45&24, Iroquois, IL

Built 1928 Load: 33.4 t ADT: 325

FAS 319 CH8

Fair

Over: TRIB VERMILION RIVER

2.5MI N SBI116 ONCH8, Iroquois, IL

Built 1940 Load: 33.4 t ADT: 350

FAS1918 CH7

Fair

Over: POND CREEK

SW1/4 SEC 20-8-2, Jackson, IL

Built 1968 Load: 33.4 t ADT: 2,750

FAP-821 (ILL-15)

Fair

Over: RAYSE CREEK

3.6 MI E WASH CO LN, Jefferson, IL

Built 1954 Load: 33.4 t ADT: 2,750

FAP-849 (ILL-142)

Fair

Over: ROCKY BRANCH

1 MI SE BELLE RIVE, Jefferson, IL

Built 1987 Load: 33.4 t ADT: 2,850

FRIENDSHIP WAY

Fair

Over: TRIB OF MILL CREEK

.1 MI S KESLINGER RD, Kane, IL

Built 2008 Load: 33.4 t ADT: 1,600

TR 147

Fair

Over: GAR CREEK

4 MI SW OF KANKAKEE, Kankakee, IL

Built 1969 Load: 33.4 t ADT: 50

WHEELER RD

Fair

Over: MIDDLE AUXSABLE CK

BY HOPKINS RD, Kendall, IL

Built 1978 Load: 33.4 t ADT: 125

WHEELER RD TR 79

Fair

Over: MIDDLE AUXSABLE CK

0.75 MILESW OF GROVE, Kendall, IL

Built 1980 Load: 33.4 t ADT: 125

IL 22

Fair

Over: FLINT CREEK

1.5 M W OF IL 59, Lake, IL

Built 1926 Load: 33.4 t ADT: 11,000

ILL 71

Fair

Over: BRUMBACH CREEK

6.78 MI N OF US 6, LaSalle, IL

Built 1941 Load: 33.4 t ADT: 5,250

ILL 23SBL LASALLE

Fair

Over: PARKING LOT ENTRANCE

DOWN TOWN OTTAWA, LaSalle, IL

Built 1982 Load: 33.4 t ADT: 10,100

Showing 10,351-10,400 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.