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

TR 492 11.25E

Fair

Over: CLEAR CREEK

3.0 S OF DAWSON, Sangamon, IL

Built 1971 Load: 26.6 t ADT: 250

IL 15 / Missouri A

Fair

Over: A&SRR

0.50 mi NW of IL 163, St. Clair, IL

Built 1980 Load: 26.6 t ADT: 13,800

CH 68 LENZBURG EAS

Fair

Over: BRANCH OF MUD CREEK

0.1MI WEST ILL RTE 4, St. Clair, IL

Built 1972 Load: 26.6 t ADT: 250

FAI 64 EB

Fair

Over: POND CREEK BRANCH

6 MI E US-45 INT, Wayne, IL

Built 1974 Load: 26.6 t ADT: 6,000

FAI-64 WB

Fair

Over: POND CREEK BRANCH

6 MI E US-45 INT, Wayne, IL

Built 1974 Load: 26.6 t ADT: 6,000

TR-340

Fair

Over: CROOKED CREEK

1.6 MI S CROSSVILLE, White, IL

Built 1957 Load: 26.6 t ADT: 25

FENTON ROAD

Fair

Over: BRANCH ROCK CREEK

1.3 MI NW FENTON, Whiteside, IL

Built 1968 Load: 26.6 t ADT: 550

IMPERIAL OAKS DR

Fair

Over: SPRING CREEK

0.2 MI N SPRINGBROOK, Winnebago, IL

Built 1967 Load: 26.6 t ADT: 775

TR 25

Fair

Over: SNAG CR

0.5 MI S WASHBURN, Woodford, IL

Built 1966 Load: 26.6 t ADT: 200

TR 92A

Fair

Over: WALNUT CR

3 MI SE METAMORA, Woodford, IL

Built 1956 Load: 26.6 t ADT: 10

TR 109 DIX

Fair

Over: BLACKFORD SLOUGH

870E,100N, Ford, IL

Built 1969 Load: 26.7 t ADT: 50

SCENIC BLUFF RD

Fair

Over: NO NAME CRK

SW CORN SEC29, Carroll, IL

Built 1945 Load: 26.9 t ADT: 75

E LIVINGGOOD ROAD

Fair

Over: OTTER CREEK

2.5MI.NW MILLEDGEVIL, Carroll, IL

Built 1958 Load: 26.9 t ADT: 50

TR 107

Fair

Over: STREAM

2.8 MI SW THOMASBORO, Champaign, IL

Built 1974 Load: 26.9 t ADT: 75

FAS 787

Fair

Over: EAST FORK KASKASKIA

1.5 S FAYETTE CO LIN, Clinton, IL

Built 1965 Load: 26.9 t ADT: 300

US 45 (FAP 824)

Fair

Over: RILEY CREEK

1.0 MI N OF MATTOON, Coles, IL

Built 1959 Load: 26.9 t ADT: 3,250

I- 57 SB

Fair

Over: RR - EJ&E

1 M S US 30, Cook, IL

Built 1966 Load: 26.9 t ADT: 32,050

I- 57 NB

Fair

Over: RR - EJ&E

1 M S US 30, Cook, IL

Built 1966 Load: 26.9 t ADT: 32,050

I-294 (TRISTATE) S

Fair

Over: CHICAGO SAN.CANAL

0.3 M W OFUS 45 P-10, Cook, IL

Built 1958 Load: 26.9 t ADT: 70,400

ASHLAND AVE

Fair

Over: N BR CHICAGO RIVER

2201 N & 1600 W, Cook, IL

Built 1936 Load: 26.9 t ADT: 26,200

MCGIRR RD

Fair

Over: SO BR KISHWAUKEE RV

1300N 540E, DeKalb, IL

Built 1954 Load: 26.9 t ADT: 100

SLEEPY HOLLOW RD

Fair

Over: INDIAN CREEK

520N 470E, DeKalb, IL

Built 1957 Load: 26.9 t ADT: 50

FAI-70 EB

Fair

Over: CSXT RR

1.5 MI W BROWNSTN IN, Fayette, IL

Built 1947 Load: 26.9 t ADT: 11,350

WALL 1100N

Fair

Over: STREAM

1570E,1100N, Ford, IL

Built 1970 Load: 26.9 t ADT: 50

TR 76 PATTON

Fair

Over: THE BIG FOUR

2100E,30N, Ford, IL

Built 1967 Load: 26.9 t ADT: 50

TR 52B WALL

Fair

Over: WALL TOWN DR DITCH

880N 1400E, Ford, IL

Built 1973 Load: 26.9 t ADT: 25

ILL 14

Fair

Over: SUGAR CAMP CREEK

3.9 MI W HAMILTON CO, Franklin, IL

Built 1923 Load: 26.9 t ADT: 1,500

IL 267

Fair

Over: APPLE CREEK

8.6 M N GREENFIELD, Greene, IL

Built 1939 Load: 26.9 t ADT: 2,150

FAI 57 NB

Fair

Over: SPRING CREEK

2.41 MI S ONARGA INT, Iroquois, IL

Built 1968 Load: 26.9 t ADT: 8,750

TR 27

Fair

Over: TRIB LANGAN CREEK

1.5M N 4.5 W CLIFTON, Iroquois, IL

Built 1970 Load: 26.9 t ADT: 50

TR 331A

Fair

Over: TRIB MUD CREEK

2.5 MI E OF ILL 1, Iroquois, IL

Built 1960 Load: 26.9 t ADT: 75

CH-5

Fair

Over: BIG MUDDY

0.5 MI W LATONA, Jasper, IL

Built 1964 Load: 26.9 t ADT: 350

CH 51

Fair

Over: MARSHALL SL

3.62 MI NE MANTENO, Kankakee, IL

Built 1966 Load: 26.9 t ADT: 625

CH 35

Fair

Over: TRAIL CR

3 MI NE CHEBANSE, Kankakee, IL

Built 1967 Load: 26.9 t ADT: 250

TR 113

Fair

Over: CREEK

2.5MI NE HOPKINSPARK, Kankakee, IL

Built 1969 Load: 26.9 t ADT: 125

TR 175

Fair

Over: SPRING CREEK

N 38TH E 195, LaSalle, IL

Built 1975 Load: 26.9 t ADT: 100

CH 12 ATKINSON RD

Fair

Over: GREEN RV DRAINAGE DI

2.6 N OF BUREAU CO, Lee, IL

Built 1960 Load: 26.9 t ADT: 10

CH 1 LOST NATION R

Fair

Over: CHAMBERLAIN CREEK

1.7 MI S OF OGLE CO, Lee, IL

Built 1963 Load: 26.9 t ADT: 1,900

TR 19

Fair

Over: TRIB W FORK MAZON R

2370 E, 3100 N, Livingston, IL

Built 1940 Load: 26.9 t ADT: 75

TR 244

Fair

Over: DRAINAGE DITCH

2670 N, 2900 E, Livingston, IL

Built 1964 Load: 26.9 t ADT: 50

TR 258A

Fair

Over: DRAINAGE DITCH

1410 N, 3100 E, Livingston, IL

Built 1963 Load: 26.9 t ADT: 75

CH 15

Fair

Over: PIKE CK

2.5 MI S MIDDLETOWN, Logan, IL

Built 1963 Load: 26.9 t ADT: 450

OLD US 51 (FAS 179

Fair

Over: PRAIRIE CREEK

.2 MI S SANDOVAL, Marion, IL

Built 1954 Load: 26.9 t ADT: 1,050

FAS-1793

Fair

Over: CROOKED CREEK

3 MI S ODIN, Marion, IL

Built 1987 Load: 26.9 t ADT: 625

TR 111

Fair

Over: HENLINE DITCH

2.8 MI NW COLFAX, McLean, IL

Built 1973 Load: 26.9 t ADT: 50

TR 258

Fair

Over: KICKAPOO CR

1 MI NE HEYWORTH, McLean, IL

Built 1961 Load: 26.9 t ADT: 100

FT JESSE RD-FAU 63

Fair

Over: BR SUGAR CREEK

2.0 MI N. BUS55 & 9, McLean, IL

Built 1985 Load: 26.9 t ADT: 15,600

TR 253

Fair

Over: SNAKE CREEK

CTR-25-T13NR4W, Mercer, IL

Built 1958 Load: 26.9 t ADT: 25

TR 154 A

Fair

Over: WHITLEY CREEK

3.3 MI N OF GAYS, Moultrie, IL

Built 1909 Load: 26.9 t ADT: 25

WOODLAWN RD

Fair

Over: KILBUCK CREEK

1.5 MI N CRESTON, Ogle, IL

Built 1960 Load: 26.9 t ADT: 250

Showing 6,151-6,200 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.