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 188A/CH 8

Fair

Over: BRANCH OF CROW CREEK

4.5 MI SE BRADFORD, Bureau, IL

Built 1934 Load: 32.1 t ADT: 425

TR-38 (W Wacker Rd

Fair

Over: PLUM RIVER

.25 MI E SAVANNA, Carroll, IL

Built 1977 Load: 32.1 t ADT: 775

FAS577

Fair

Over: LOST CREEK BRANCH

3.5 MI E BEARDSTOWN, Cass, IL

Built 1936 Load: 32.1 t ADT: 650

I-57

Fair

Over: STREAM

2 MI N MARKET ST, Champaign, IL

Built 1969 Load: 32.1 t ADT: 22,500

FAI 64 EB

Fair

Over: SUGAR CREEK

3.9 MI E COUNTY LINE, Clinton, IL

Built 1970 Load: 32.1 t ADT: 15,500

US 50

Fair

Over: BEAVER CREEK

4 MI W OF CARLYLE, Clinton, IL

Built 1974 Load: 32.1 t ADT: 5,150

US 45 IL 121(FA 82

Fair

Over: KICKAPOO CREEK

S EDGE MATTOON, Coles, IL

Built 1940 Load: 32.1 t ADT: 8,400

FAS 668(CH 2)

Fair

Over: DRY BRANCH

1 MI N OF RARDIN, Coles, IL

Built 1963 Load: 32.1 t ADT: 250

ROOSEVELT RD

Fair

Over: DES PLAINES RIVER

0.3M E OF 1ST AVE, Cook, IL

Built 1928 Load: 32.1 t ADT: 25,200

IL 62 ALGONQUIN R

Fair

Over: SPRING CREEK

1.4 M W IL 59, Cook, IL

Built 1929 Load: 32.1 t ADT: 25,100

LAKE COOK RD

Fair

Over: RAVINE

1.5 M E US 41, Cook, IL

Built 1926 Load: 32.1 t ADT: 3,200

31ST ST

Fair

Over: DES PLAINES RIVER

2.4 M E US 45, Cook, IL

Built 1928 Load: 32.1 t ADT: 11,300

PLUM GROVE RD

Fair

Over: SALT CREEK

0.4 M N ILL 62 P18, Cook, IL

Built 1957 Load: 32.1 t ADT: 2,300

LAKE-COOK ROAD

Fair

Over: DES PLAINES RIVER

0.2 M E OF US-45, Cook, IL

Built 1994 Load: 32.1 t ADT: 34,300

GOBLE RD

Fair

Over: BR PAW PAW RUN

230N 100E, DeKalb, IL

Built 1955 Load: 32.1 t ADT: 25

HILLCREST DRIVE

Fair

Over: S. Br of Kishwaukee Rive

0.2mi. E. of N. 1st., DeKalb, IL

Built 1964 Load: 32.1 t ADT: 9,200

FAP-774 (ILL-33)

Fair

Over: STREAM

1 MI E BEECHER CITY, Effingham, IL

Built 1939 Load: 32.1 t ADT: 3,250

TR-300

Fair

Over: RAMSEY CREEK

7 MI SW DIETERICH, Effingham, IL

Built 1909 Load: 32.1 t ADT: 35

FAP-750 (ILL-185)

Fair

Over: LONE GROVE BRANCH

1.0 MI E ST PETER, Fayette, IL

Built 1932 Load: 32.1 t ADT: 1,200

TR 99 DRUMMER

Fair

Over: DRUMMER CREEK

390E,300N, Ford, IL

Built 1971 Load: 32.1 t ADT: 125

TR 37 BRENTON

Fair

Over: STREAM

1480E 2300N, Ford, IL

Built 1973 Load: 32.1 t ADT: 25

ILL 78 & 97

Fair

Over: SPOON RIVER

1 MI N JCT 136, Fulton, IL

Built 1989 Load: 32.1 t ADT: 3,000

PEANUT RIDGERD-TR3

Fair

Over: BIG SISTER CREEK

N1/2-17-T5NR4E, Fulton, IL

Built 1983 Load: 32.1 t ADT: 25

GOODFARM RD

Fair

Over: MURRAY SLUICE

0.05 MI E BUFFALO RD, Grundy, IL

Built 1979 Load: 32.1 t ADT: 75

CH 29

Fair

Over: LANGAN CR

1.5 MI W 1.5 N CLIFT, Iroquois, IL

Built 1975 Load: 32.1 t ADT: 200

AIRPORT RD FAU 972

Fair

Over: LITTLE CRAB ORCHARD

E LINE SEC 4-9-1, Jackson, IL

Built 1983 Load: 32.1 t ADT: 2,100

FABYAN PARKWAY

Fair

Over: FOX RIVER

FABYAN PK W OF IL 25, Kane, IL

Built 1974 Load: 32.1 t ADT: 28,200

DUGAN ROAD

Fair

Over: WELCH CREEK

DUGAN .6 M S OF US30, Kane, IL

Built 1974 Load: 32.1 t ADT: 2,650

TR 13

Fair

Over: TRIM CREEK

1MI N GRANT PARK, Kankakee, IL

Built 1970 Load: 32.1 t ADT: 775

TR 119

Fair

Over: CRANE CR

2.5 MI EAST REDDICK, Kankakee, IL

Built 1975 Load: 32.1 t ADT: 100

TR 36

Fair

Over: S HENDERSON CREEK

SW-21-T12NR1E, Knox, IL

Built 1971 Load: 32.1 t ADT: 75

IL 131 (GREEN BAY)

Fair

Over: RR - EJ&E

1.1 M S OF IL 137, Lake, IL

Built 1954 Load: 32.1 t ADT: 10,300

TR 158

Fair

Over: VERMILION CREEK

E 9TH N 4275, LaSalle, IL

Built 1973 Load: 32.1 t ADT: 50

TR 29

Fair

Over: W FORK MAZON R

2295 E, 3000 N, Livingston, IL

Built 1940 Load: 32.1 t ADT: 75

MT PULASKI-ELKHART

Fair

Over: LAKE FORK OVERFLOW

3.5 MI E ELKHART, Logan, IL

Built 1934 Load: 32.1 t ADT: 800

IL 121(FAP 320)

Fair

Over: CREEK

.5 MI W OF HEMAN, Macon, IL

Built 1931 Load: 32.1 t ADT: 3,750

TR-218A

Fair

Over: WILLS CREEK

4 MI W ALMA, Marion, IL

Built 2010 Load: 32.1 t ADT: 25

FAS-1479 (CH-34)

Fair

Over: Branch Timber Creek

1 MILE E SHIRLEY, McLean, IL

Built 1962 Load: 32.1 t ADT: 475

TR 1

Fair

Over: BRANCH ROOKS CREEK

1.0 MI NW CHENOA, McLean, IL

Built 1963 Load: 32.1 t ADT: 75

TR 255A

Fair

Over: BR MACKINAW RIVER

4.0 MI S COLFAX, McLean, IL

Built 1960 Load: 32.1 t ADT: 75

TR 29

Fair

Over: BR OF ROOKS CREEK

3.0 MI SW WESTON, McLean, IL

Built 1963 Load: 32.1 t ADT: 50

TR 226

Fair

Over: TOMS CREEK

SE-35-T13NR2W, Mercer, IL

Built 1979 Load: 32.1 t ADT: 50

FAI 255 SB/WB

Fair

Over: UPRR

2 mi E of JB Bridge, Monroe, IL

Built 1981 Load: 32.1 t ADT: 12,500

I-39 & US 51 SB

Fair

Over: U.P. RR

0.65 MI S OF ILL 38, Ogle, IL

Built 1981 Load: 32.1 t ADT: 14,550

I-39 & US 51 NB

Fair

Over: U.P. RR

0.65 MI S OF ILL 38, Ogle, IL

Built 1981 Load: 32.1 t ADT: 14,550

RIVER RD

Fair

Over: SPRING CREEK

4.0 MI N OREGON, Ogle, IL

Built 1960 Load: 32.1 t ADT: 2,000

WHITE EAGLE RD TR6

Fair

Over: LEAF RIVER

1.3 MI E OF ADELINE, Ogle, IL

Built 1982 Load: 32.1 t ADT: 50

TR 18

Fair

Over: WOLF RUN

2.0 MI SE CISCO, Piatt, IL

Built 1964 Load: 32.1 t ADT: 175

IL 92 SB (CENT FRW

Fair

Over: MILL CREEK

.4 MI N ANDALUSIA RD, Rock Island, IL

Built 1960 Load: 32.1 t ADT: 14,400

IL 92 NB (CENT FRW

Fair

Over: MILL CREEK

.4 MI N ANDALUSIA RD, Rock Island, IL

Built 1960 Load: 32.1 t ADT: 14,400

Showing 7,051-7,100 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.