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 53

Fair

Over: TRIB TO DRY FK CR

WEST EDGE SORENTO, Bond, IL

Built 1967 Load: 26.2 t ADT: 125

TR 34

Fair

Over: W FORK SPOON RIVER

3 MI S OF NEPONSET, Bureau, IL

Built 1961 Load: 26.2 t ADT: 25

CH 22 (FAS 515)

Fair

Over: STREAM

2.5 MI N OF PENFIELD, Champaign, IL

Built 2014 Load: 26.2 t ADT: 175

CH 12(FAS 522)

Fair

Over: STREAM

S OF SIDNEY, Champaign, IL

Built 1969 Load: 26.2 t ADT: 950

TR 0207

Fair

Over: BRUSHY BRANCH

5.0 MI W ASSUMPTION, Christian, IL

Built 1973 Load: 26.2 t ADT: 50

FAU1292 (EUCLID AV

Fair

Over: SALT CREEK

0.7 M E ILL 53 P18, Cook, IL

Built 1962 Load: 26.2 t ADT: 15,300

IL 72

Fair

Over: POPLAR CREEK

0.2 M SE I-90, Cook, IL

Built 1939 Load: 26.2 t ADT: 18,800

BECKWITH RD

Fair

Over: N BR CHICAGO RIVER

0.7 M W HARMS P13, Cook, IL

Built 1951 Load: 26.2 t ADT: 5,800

TR 125

Fair

Over: TEN MILE CREEK

2 MI NW CLINTON, De Witt, IL

Built 1969 Load: 26.2 t ADT: 50

TR 221

Fair

Over: STREAM

3 MI S CLINTON, De Witt, IL

Built 1971 Load: 26.2 t ADT: 275

HOUGHTBY RD

Fair

Over: BIG INDIAN CREEK

800N 295E, DeKalb, IL

Built 1952 Load: 26.2 t ADT: 75

CH 8(FAS 679)

Fair

Over: S BRANCH BROUILLETTS

1.25 MI E OF IL 1, Edgar, IL

Built 1958 Load: 26.2 t ADT: 250

TR 68 A

Fair

Over: DOYLES CREEK

4 MI SW OF GRANDVIEW, Edgar, IL

Built 1965 Load: 26.2 t ADT: 50

FAS-2720 (CH-7)

Fair

Over: HICKORY CREEK

3 MI S ST ELMO, Fayette, IL

Built 1934 Load: 26.2 t ADT: 600

FAS 1452

Fair

Over: SHAW CR

NW-10-T6NR1E, Fulton, IL

Built 1973 Load: 26.2 t ADT: 25

ILL 108

Fair

Over: MID TAYLOR CREEK BR

8.8 M E CARROLLTON, Greene, IL

Built 1928 Load: 26.2 t ADT: 1,000

TR 72

Fair

Over: CHANEY CREEK

2.0 NW ELVASTON, Hancock, IL

Built 1969 Load: 26.2 t ADT: 25

TR 14

Fair

Over: TRIB SPRING CREEK

.2N ILL54 ON CH8, Iroquois, IL

Built 1972 Load: 26.2 t ADT: 300

TOWNSHIP RD NO 227

Fair

Over: RUSH CREEK

2 MI W MASSBACH, Jo Daviess, IL

Built 1969 Load: 26.2 t ADT: 75

FAS 924

Fair

Over: LICK CREEK

NW1/4 SEC 9 T12S,R2E, Johnson, IL

Built 1962 Load: 26.2 t ADT: 175

GRANART ROAD

Fair

Over: WELCH CREEK

2 MI E BIG ROCK, Kane, IL

Built 1959 Load: 26.2 t ADT: 5,300

I-88 EW TOLLWAY EB

Fair

Over: BLACKBERRY CR

.5 MI. W OF ILL 47, Kane, IL

Built 1972 Load: 26.2 t ADT: 15,850

I-88 EW TOLLWAY WB

Fair

Over: BLACKBERRY CR

.5 MI. W OF ILL 47, Kane, IL

Built 1972 Load: 26.2 t ADT: 15,850

TR 41

Fair

Over: PIKE CREEK

3.5 MI NE MOMENCE, Kankakee, IL

Built 1970 Load: 26.2 t ADT: 350

CH11 PUMP FACTORY

Fair

Over: FIVE MILE BRANCH

0.5 MI N OF US 30, Lee, IL

Built 1964 Load: 26.2 t ADT: 200

BROOKLYN RD

Fair

Over: BEACH CREEK

1.2 MI S OGLE CO L, Lee, IL

Built 1961 Load: 26.2 t ADT: 200

MELUGINS GROVE ROA

Fair

Over: BR OF GREEN RIVER

1.5 M S OF US RT 30, Lee, IL

Built 1962 Load: 26.2 t ADT: 25

CO HWY 29

Fair

Over: MUD CREEK

4 MI NW OF CORNELL, Livingston, IL

Built 1954 Load: 26.2 t ADT: 150

TR 37

Fair

Over: TRIB MUD CREEK

1310 E, 2900 N, Livingston, IL

Built 1960 Load: 26.2 t ADT: 25

TR 282A

Fair

Over: DRAINAGE DITCH

1130 N, 3500 E, Livingston, IL

Built 1964 Load: 26.2 t ADT: 75

JOHNSON SIPING RD

Fair

Over: DEER CK

3 E .5 MI S LINCOLN, Logan, IL

Built 1970 Load: 26.2 t ADT: 75

TR 253

Fair

Over: N FK LAKE FK OVERFL

3 S 1 MI W NARITA, Logan, IL

Built 1961 Load: 26.2 t ADT: 50

TR 194

Fair

Over: SALT CK TRIB

1.5 W 3 MI N MT PLSK, Logan, IL

Built 1970 Load: 26.2 t ADT: 20

TR 221

Fair

Over: LAKE FORK CK TR 1B

.5 N 1.5 MI E LK FK, Logan, IL

Built 1974 Load: 26.2 t ADT: 50

IL 37

Fair

Over: RACCOON CR TRB NORTH

.25 MI S ILL-161, Marion, IL

Built 1930 Load: 26.2 t ADT: 4,500

TR 69A (TH-C65)

Fair

Over: SHAW CREEK

T30N-R1W-3PM SEC 30, Marshall, IL

Built 1966 Load: 26.2 t ADT: 250

FAS 461 CO HWY 4

Fair

Over: QUIVER DITCH

FOREST CITY CL, Mason, IL

Built 1948 Load: 26.2 t ADT: 500

TR 156

Fair

Over: FURRER DITCH

1.5 MI NE EASTON, Mason, IL

Built 1972 Load: 26.2 t ADT: 75

TR 519

Fair

Over: SALT CREEK

2.5 MI W BELLFLOWER, McLean, IL

Built 1967 Load: 26.2 t ADT: 75

TR 117

Fair

Over: CROOKED CREEK

1.MI SW PLEASANTHILL, McLean, IL

Built 1965 Load: 26.2 t ADT: 225

TR 0050

Fair

Over: MDL FK SHOP CREEK

6.0 S OF WAGGONER, Montgomery, IL

Built 1900 Load: 26.2 t ADT: 75

TR 284

Fair

Over: N FORK MAUVAISTERRE

4M NE J-VILLE, Morgan, IL

Built 1976 Load: 26.2 t ADT: 50

ILL 8

Fair

Over: WARSAW RUN

1.75 MI W OF EDWARDS, Peoria, IL

Built 1996 Load: 26.2 t ADT: 1,850

ILL 8

Fair

Over: KICKAPOO CR. TRIB.

W. EDGE OF EDWARDS, Peoria, IL

Built 1995 Load: 26.2 t ADT: 2,800

TR 98

Fair

Over: SANGAMON RIVER TRIB

1.0 MI NE LODGE, Piatt, IL

Built 1961 Load: 26.2 t ADT: 25

TR 428

Fair

Over: MIDDLE FK MCKEE CR

2.25 MI E PERRY, Pike, IL

Built 1965 Load: 26.2 t ADT: 25

TR 104 (9W)

Fair

Over: SPRING CREEK

1.5 S FARMINGDALE, Sangamon, IL

Built 1970 Load: 26.2 t ADT: 25

TR 369 11.5S

Fair

Over: PANTHER CREEK

2.5 MI S OF CHATHAM, Sangamon, IL

Built 1963 Load: 26.2 t ADT: 200

TR 447 17 S

Fair

Over: BRUSH CREEK

.5 W OF DIVERNON, Sangamon, IL

Built 1965 Load: 26.2 t ADT: 100

TR 498 (12.25 E)

Fair

Over: GRIFFITH CREEK

1.5 W MECHANICSBURG, Sangamon, IL

Built 1978 Load: 26.2 t ADT: 125

Showing 6,051-6,100 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.