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

SANTA FE ROAD

Fair

Over: AT&SF RR (004587E)

NW1/4 16-HALLOCK TWP, Peoria, IL

Built 1981 Load: 26.9 t ADT: 225

FAS 863

Fair

Over: ROCKCASTLE CREEK

863 OVER ROCKCASTLE, Randolph, IL

Built 1948 Load: 26.9 t ADT: 1,750

TR 347 10.25S

Fair

Over: SOUTH LICK CREEK

1.5 MI SE OF LOAMI, Sangamon, IL

Built 1962 Load: 26.9 t ADT: 75

TR 42

Fair

Over: SPRING CREEK

1.0 N BERLIN, Sangamon, IL

Built 1973 Load: 26.9 t ADT: 75

ORANGEVILLE RD.

Fair

Over: UNNAMED STREAM

0.5 MI E MCCONNELL, Stephenson, IL

Built 1958 Load: 26.9 t ADT: 525

FAS 468 - CH 12

Fair

Over: STREAM

CTR-22-T22NR2W, Tazewell, IL

Built 1948 Load: 26.9 t ADT: 600

TR 180

Fair

Over: STREAM

5 MI SW ROSSVILLE, Vermilion, IL

Built 1970 Load: 26.9 t ADT: 50

TR 121

Fair

Over: STREAM

3 MI S ARMSTRONG, Vermilion, IL

Built 1969 Load: 26.9 t ADT: 50

FAS-815

Fair

Over: LITTLE WABASH

6 MI W GRAYVILLE, White, IL

Built 1962 Load: 26.9 t ADT: 125

FAS-815

Fair

Over: STINKING CREEK

5.75 MI W GRAYVILLE, White, IL

Built 1962 Load: 26.9 t ADT: 125

BURNS RD

Fair

Over: MINERAL SPRINGS CRK.

3 MI N OF ERIE, Whiteside, IL

Built 1959 Load: 26.9 t ADT: 250

ALBANY RD. (FAS122

Fair

Over: STREAM

4.5 MI NW OF ERIE, Whiteside, IL

Built 1950 Load: 26.9 t ADT: 800

CREAMERY ROAD

Fair

Over: BR OF CATTAIL CREEK

3 MI NW MORRISON, Whiteside, IL

Built 1982 Load: 26.9 t ADT: 50

US 52

Fair

Over: FORKED CREEK

1.29 M W OF US 45, Will, IL

Built 1985 Load: 26.9 t ADT: 3,750

I- 55 SB

Fair

Over: RR - BNSF

5.7 M S OF US 6, Will, IL

Built 1993 Load: 26.9 t ADT: 24,700

CHANNAHON-MINOOKA

Fair

Over: DUPAGE RIVER

1.4 MI NW CHANNAHON, Will, IL

Built 1947 Load: 26.9 t ADT: 4,900

BALLOU RD

Fair

Over: FORKED CR

5.7M E ILL 102, Will, IL

Built 1983 Load: 26.9 t ADT: 350

HARRISON ROAD

Fair

Over: SUGAR RIVER

0.6 MI NORTH RT 75, Winnebago, IL

Built 1922 Load: 26.9 t ADT: 350

11TH ST. (IL251)

Fair

Over: S.E. DRAINAGE

.35 MI. S HARRISON, Winnebago, IL

Built 1964 Load: 26.9 t ADT: 16,100

FAS 1471 CH 17

Fair

Over: WOLF CREEK

0.5 MI E KAPPA, Woodford, IL

Built 1962 Load: 26.9 t ADT: 750

TR 19

Fair

Over: WILLIAMS CREEK

2 MI N LAPRAIRIE, Adams, IL

Built 1996 Load: 27.2 t ADT: 50

FAI 70 FR RD 29.27

Fair

Over: Trib to Sugar Creek

1.25M N PIERRON, Bond, IL

Built 1965 Load: 27.2 t ADT: 575

CH 6/FAS 777

Fair

Over: DRY BRANCH CREEK

1 M N WOBURN, Bond, IL

Built 1905 Load: 27.2 t ADT: 150

TR 41

Fair

Over: DRY BRANCHCREEK

6.25 M NO SMITHBORO, Bond, IL

Built 1968 Load: 27.2 t ADT: 75

MEYERS RD.

Fair

Over: E. FORK PLUM RIVER

4.5 MI N MT CARROLL, Carroll, IL

Built 1965 Load: 27.2 t ADT: 50

TR 312

Fair

Over: STREAM

3.2 MI SW OGDEN, Champaign, IL

Built 1964 Load: 27.2 t ADT: 200

CH 2 - FAS 556

Fair

Over: MOSQUITO CREEK

3.0 MI NE MT AUBURN, Christian, IL

Built 1961 Load: 27.2 t ADT: 650

FAP-828 (CC-MONT B

Fair

Over: COTTONWOOD CREEK

4 MI S EFFINGHAM C L, Clay, IL

Built 1957 Load: 27.2 t ADT: 1,250

TR 149B

Fair

Over: LAKE BRANCH

.5 MI E AVISTON, Clinton, IL

Built 1965 Load: 27.2 t ADT: 300

I-57 (NB)

Fair

Over: RILEY CREEK

N IL 16, Coles, IL

Built 1965 Load: 27.2 t ADT: 10,500

I-57 (SB)

Fair

Over: RILEY CREEK

N IL 16, Coles, IL

Built 1965 Load: 27.2 t ADT: 10,500

COLUMBUS DR

Fair

Over: MAIN BR CHICAGO RIV.

347 N & 301 E, Cook, IL

Built 1982 Load: 27.2 t ADT: 18,600

FAP 116(IL 130)

Fair

Over: HURRICANE CREEK

4.8 MI S OF COLES CO, Cumberland, IL

Built 1982 Load: 27.2 t ADT: 2,500

IL 54 (FAP 71)

Fair

Over: SALT CREEK

2 MI E KENNEY, De Witt, IL

Built 1937 Load: 27.2 t ADT: 1,100

IRENE RD

Fair

Over: TRIMBLE RUN

3500N 240E, DeKalb, IL

Built 1955 Load: 27.2 t ADT: 525

FAP 323(US 36)

Fair

Over: HAYES BRANCH DITCH

1.5 MI E OF TUSCOLA, Douglas, IL

Built 1958 Load: 27.2 t ADT: 4,950

TR 138 A

Fair

Over: SHILOH DR DITCH #3

4 M W EDGAR .75 M N, Edgar, IL

Built 1957 Load: 27.2 t ADT: 25

TR 42B - PELLA

Fair

Over: STREAM

2560N,1200E, Ford, IL

Built 1970 Load: 27.2 t ADT: 75

FAP-849 (ILL-142)

Fair

Over: STREAM

3.1 MI SE JEFF CO LN, Hamilton, IL

Built 1929 Load: 27.2 t ADT: 2,350

TR 9

Fair

Over: VOEL CREEK

2.2 NE LAHARPE, Hancock, IL

Built 1952 Load: 27.2 t ADT: 75

FAS 1420 - CH 6

Fair

Over: WOLF CREEK

W.CTR-11-T9NR5W, Henderson, IL

Built 1925 Load: 27.2 t ADT: 375

FAI-57 SB

Fair

Over: SPRING CREEK

2.41 MI S ONARGA INT, Iroquois, IL

Built 1968 Load: 27.2 t ADT: 8,750

CH 5 (FAS 917)

Fair

Over: TOWN CREEK

SW CORN SEC 12-9-3, Jackson, IL

Built 1955 Load: 27.2 t ADT: 1,400

TOWNSHIP RD NO 144

Fair

Over: LITTLE RUSH CREEK

4 MI. E. OF HANOVER, Jo Daviess, IL

Built 1964 Load: 27.2 t ADT: 50

SCOTT ROAD

Fair

Over: BLACKBERRY CREEK

2.0 MI N SUGAR GROVE, Kane, IL

Built 1967 Load: 27.2 t ADT: 1,000

TR 263

Fair

Over: SPOON RIVER

NE-23-TIONR3E, Knox, IL

Built 1986 Load: 27.2 t ADT: 50

ILL 71

Fair

Over: STREAM

2.93 MI SW OF US 52, LaSalle, IL

Built 1942 Load: 27.2 t ADT: 5,250

FAS270 CH19

Fair

Over: LITTLE VERMILION

N 4250,E 325, LaSalle, IL

Built 1950 Load: 27.2 t ADT: 1,100

TR 282

Fair

Over: COVEL CREEK

N 2501 E 1650, LaSalle, IL

Built 1965 Load: 27.2 t ADT: 500

TR 99

Fair

Over: FELKY SLOUGH

2405 E, 2200 N, Livingston, IL

Built 1960 Load: 27.2 t ADT: 100

Showing 6,201-6,250 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.