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 290

Fair

Over: TOWN FORK

SW-32-T7NR2W, McDonough, IL

Built 1977 Load: 38.2 t ADT: 25

US 14

Fair

Over: KISHWAUKEE RIVER

4 M SE OF IL 23, McHenry, IL

Built 1984 Load: 38.2 t ADT: 7,100

STREIT RD

Fair

Over: RUSH CREEK

0.4 MI W OF IL RT 23, McHenry, IL

Built 1985 Load: 38.2 t ADT: 700

US 136

Fair

Over: BRANCH SALT CREEK

12.17 M E OF US 51, McLean, IL

Built 1976 Load: 38.2 t ADT: 1,250

FAS-1574

Fair

Over: SANGAMON RIVER

4.0 MI W GREENVIEW, Menard, IL

Built 1980 Load: 38.2 t ADT: 200

TR 167

Fair

Over: STREAM

1 MI N OF FINDLEY, Moultrie, IL

Built 1969 Load: 38.2 t ADT: 20

ILL 72

Fair

Over: ROCK RIVER

E. EDGE OF BYRON, Ogle, IL

Built 1940 Load: 38.2 t ADT: 7,100

ILL 40

Fair

Over: CAMP RUN

1.5 M S CAMP GROVE, Peoria, IL

Built 2002 Load: 38.2 t ADT: 1,500

CO HWY 3

Fair

Over: REESE CREEK

1 MI E OF US 51, Perry, IL

Built 1987 Load: 38.2 t ADT: 400

IL 104

Fair

Over: FISHHOOK CREEK

.1M E ADAMS CO LINE, Pike, IL

Built 1975 Load: 38.2 t ADT: 775

FAI 72 WB

Fair

Over: NAPOLEON HOLLOW DRAW

4.7 MI W IL 100, Pike, IL

Built 1989 Load: 38.2 t ADT: 4,950

I-72 WB

Fair

Over: NAPOLEON HOLLOW DRAW

4.4M W IL 100 INTCHG, Pike, IL

Built 1989 Load: 38.2 t ADT: 4,950

TR 291

Fair

Over: BRANCH CRANE CREEK

5.0 S OF RUSHVILLE, Schuyler, IL

Built 1989 Load: 38.2 t ADT: 25

FAP 325(IL 16)

Fair

Over: KASKASKIA RIVER

IN SHELBYVILLE, Shelby, IL

Built 1975 Load: 38.2 t ADT: 6,500

FAP 766(IL 32)

Fair

Over: BRUSH CREEK

7 MI S OF IL 16, Shelby, IL

Built 1991 Load: 38.2 t ADT: 4,450

ILL 26

Fair

Over: STREAM

2 MI. S. OF FREEPORT, Stephenson, IL

Built 1977 Load: 38.2 t ADT: 4,750

S. PARK ROAD

Fair

Over: YELLOW CREEK

S. ENT TO KRAPE PARK, Stephenson, IL

Built 1934 Load: 38.2 t ADT: 125

DIEBLE RD - TR 268

Fair

Over: FARM CREEK

E-13-T26NR3W, Tazewell, IL

Built 1928 Load: 38.2 t ADT: 650

IL 1(FAP 332)

Fair

Over: N FORK VERMILION RIV

1.4 MI N ROSSVILLE, Vermilion, IL

Built 1940 Load: 38.2 t ADT: 4,550

NB US 67

Fair

Over: BIG NEGRO CREEK

3 MI S ILL 116, Warren, IL

Built 1996 Load: 38.2 t ADT: 4,900

TR 33

Fair

Over: BR LITTLE CROOKED CR

1.6 MI N NEW MINDEN, Washington, IL

Built 1916 Load: 38.2 t ADT: 50

TR-443C

Fair

Over: WALTON CREEK

2 MI NE SIMS, Wayne, IL

Built 1909 Load: 38.2 t ADT: 75

US RT 30

Fair

Over: ELKHORN CREEK

3.5 MI W ROCK FALLS, Whiteside, IL

Built 1940 Load: 38.2 t ADT: 5,300

MOLINE ROAD

Fair

Over: DRAINAGE DITCH

3 MI NE LYNDON, Whiteside, IL

Built 2006 Load: 38.2 t ADT: 1,400

YORKTOWN ROAD

Fair

Over: COUNTY DITCH NO 2

4.5 MI W OF TAMPICO, Whiteside, IL

Built 1955 Load: 38.2 t ADT: 100

I- 55 SB

Fair

Over: RR - CSXT

0.8 M S OF I-80, Will, IL

Built 1994 Load: 38.2 t ADT: 32,350

MARLEY ROAD

Fair

Over: METRA RR

0.3 M NO OF US30, Will, IL

Built 1984 Load: 38.2 t ADT: 5,000

FRITZ RD

Fair

Over: S FORK OTTER CREEK

0.7 MI E RT 70, Winnebago, IL

Built 1962 Load: 38.2 t ADT: 550

TR 215

Fair

Over: RED RIVER

1925 EAST 700 NORTH, Woodford, IL

Built 1974 Load: 38.2 t ADT: 150

FAS 361 (CH 5)

Fair

Over: BR. PANTHER CREEK

0.1 MI. N 1100N RD, Woodford, IL

Built 2002 Load: 38.2 t ADT: 225

IL 61

Fair

Over: BIG NECK CREEK

1.1M W IL 94, Adams, IL

Built 1996 Load: 38.6 t ADT: 850

TR 118

Fair

Over: URSA CREEK

1.5 MI W MENDON, Adams, IL

Built 1985 Load: 38.6 t ADT: 125

TR 150

Fair

Over: BRANCH HARTLINE CR

N EDGE OF ELCO, Alexander, IL

Built 1983 Load: 38.6 t ADT: 125

TR 105

Fair

Over: ROAD RUN CREEK

2 MI NE OLIVE BRANCH, Alexander, IL

Built 1992 Load: 38.6 t ADT: 100

TR 01

Fair

Over: MISSOURI CREEK BRANC

7 MI N OF TIMEWELL, Brown, IL

Built 1969 Load: 38.6 t

I-80 EB

Fair

Over: DRAINAGE DITCH

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

Built 1963 Load: 38.6 t ADT: 8,950

US 6

Fair

Over: E BUREAU CREEK

1.3 MI E OF I-180, Bureau, IL

Built 1981 Load: 38.6 t ADT: 2,450

TR 76

Fair

Over: MEPPIN CREEK

.5 M SO OFMEPPIN, Calhoun, IL

Built 1984 Load: 38.6 t ADT: 125

TR 54 FAS 581

Fair

Over: LOST CREEK

CL BLUFF SPRINGS, Cass, IL

Built 2007 Load: 38.6 t ADT: 275

I-74(EB)

Fair

Over: SALINE BRANCH

1 MI E OF US 45, Champaign, IL

Built 1960 Load: 38.6 t ADT: 15,200

I-74(WB)

Fair

Over: SALINE BRANCH

1 MI E OF US 45, Champaign, IL

Built 1960 Load: 38.6 t ADT: 15,200

FAP 709 (US 136)

Fair

Over: LONE TREE CREEK

5.5 MI W OF FISHER, Champaign, IL

Built 1932 Load: 38.6 t ADT: 1,200

FAP 328 (US 45)

Fair

Over: BUCK CREEK

3 MI N US 50 JCT, Clay, IL

Built 2008 Load: 38.6 t ADT: 5,100

GOLF RD

Fair

Over: W FK N BR CHI RIVER

0.8 M E IL 43, Cook, IL

Built 1928 Load: 38.6 t ADT: 33,400

KEDZIE AVE

Fair

Over: RR - BRC

AT 75TH ST, Cook, IL

Built 1936 Load: 38.6 t ADT: 18,800

IL 83 (ELMHURST R

Fair

Over: WELLER'S CREEK

0.8 M S US 14, Cook, IL

Built 2000 Load: 38.6 t ADT: 13,200

LAKE COOK RD

Fair

Over: BUFFALO CR

0.5 W BUFFALO GR P25, Cook, IL

Built 1978 Load: 38.6 t ADT: 29,400

FAS-698 (CH-19)

Fair

Over: BRANCH BIG CREEK

2.5 MI W HARDINVILLE, Crawford, IL

Built 1973 Load: 38.6 t ADT: 525

BRICKVILLE RD

Fair

Over: E BR KISHWAUKEE RV

2530N 1350E, DeKalb, IL

Built 1962 Load: 38.6 t ADT: 1,550

FAP-828 (CC-MONT B

Fair

Over: STREAM

S EDGE MONTROSE, Effingham, IL

Built 1909 Load: 38.6 t ADT: 2,650

Showing 11,651-11,700 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.