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 570 A

Good

Over: MACKINAW RIVER

1.0 MI SW ANCHOR, McLean, IL

Built 1967 Load: 25.6 t ADT: 25

TR 43

Good

Over: TURKEY CREEK

4.5 MI SW CHENOA, McLean, IL

Built 1971 Load: 25.6 t ADT: 250

TR4

Good

Over: SUGAR CREEK

5.0 MI W MCLEAN, McLean, IL

Built 1969 Load: 25.6 t ADT: 75

TR 370

Good

Over: KICKAPOO CREEK

4.0 MI NE DOWNS, McLean, IL

Built 1966 Load: 25.6 t ADT: 25

FAP 758(IL 32)

Good

Over: STREAM

.6 MI N OF US 36, Piatt, IL

Built 1995 Load: 25.6 t ADT: 1,450

TR 46

Good

Over: STREAM

0.5 MI S BURROWSVLLE, Piatt, IL

Built 1957 Load: 25.6 t ADT: 25

TR-220

Good

Over: CALFKILLER CREEK

0.5 MI N STRINGTOWN, Richland, IL

Built 1965 Load: 25.6 t ADT: 25

N 6th St. - FAU 93

Good

Over: Drains to Silver Crk

0.6 Miles N IL 177, St. Clair, IL

Built 1962 Load: 25.6 t ADT: 1,200

FRANK SCOTT PKWY

Good

Over: TRIB RICHLAND CK

0.5 MI W CH 89, St. Clair, IL

Built 2001 Load: 25.6 t ADT: 16,200

CH 14

Good

Over: MCKEE CREEK

1.0 SW SILOAM SPRING, Adams, IL

Built 1964 Load: 25.9 t ADT: 150

WHEELER RD

Good

Over: BRANCH OF KISHWAUKEE

1.5 MI SE CHERRY VAL, Boone, IL

Built 1959 Load: 25.9 t ADT: 1,450

TR 274

Good

Over: BR OF BUREAU CREEK

5 MI. E. OF TISKILWA, Bureau, IL

Built 1965 Load: 25.9 t ADT: 175

FAS 691(CH 9)

Good

Over: KETTERING BRANCH

YORK ST MARTINSVILLE, Clark, IL

Built 1909 Load: 25.9 t ADT: 1,250

GENTRY LANE

Good

Over: MIDLOTHIAN CREEK

.12MI S OF 167TH ST, Cook, IL

Built 1972 Load: 25.9 t ADT: 500

LAKEWOOD DRIVE

Good

Over: MIDLOTHIAN CREEK

.17MI S OF 167TH ST, Cook, IL

Built 1972 Load: 25.9 t ADT: 1,350

TR 139

Good

Over: TEN MILE CREEK

1.8 MI NW OF CLINTON, De Witt, IL

Built 1968 Load: 25.9 t ADT: 150

TR 187

Good

Over: DRAINAGE DITCH

1.2 MI S OF ARCOLA, Douglas, IL

Built 1954 Load: 25.9 t ADT: 50

JACQUELINE DRIVE

Good

Over: ST.JOSEPH CREEK

400 FT S GILBERT, DuPage, IL

Built 1961 Load: 25.9 t ADT: 75

TR-87A

Good

Over: LITTLE SALT CREEK

2.5 MI SE TEUTOPOLIS, Effingham, IL

Built 1972 Load: 25.9 t ADT: 425

CH-13

Good

Over: LITTLE SALT CREEK

2 MI SW MONTROSE, Effingham, IL

Built 1973 Load: 25.9 t ADT: 250

TR-77A

Good

Over: LAKE SARA SPILLWAY

2 MI W EFFINGHAM, Effingham, IL

Built 1957 Load: 25.9 t ADT: 900

TR-342

Good

Over: TRIB SANDY RUN DT

1 MI SW BROWNSTOWN, Fayette, IL

Built 1962 Load: 25.9 t ADT: 150

FAU-8416

Good

Over: CREEK

VANDALIA, Fayette, IL

Built 1950 Load: 25.9 t ADT: 400

JEFFERSON ST

Good

Over: NETTLE CR

300 FT W NETTLE ST, Grundy, IL

Built 1964 Load: 25.9 t ADT: 3,850

FAS-881

Good

Over: TRIB RECTOR CREEK

0.5 MI W WALPOLE, Hamilton, IL

Built 1971 Load: 25.9 t ADT: 225

CH 10

Good

Over: SHAFFER CR.

1 1/2 MI. W. WARNER, Henry, IL

Built 1949 Load: 25.9 t ADT: 325

FAS 329 CH 10 SA 1

Good

Over: FOUNTAIN CREEK

3.68 MI W OLD ILL 1, Iroquois, IL

Built 2010 Load: 25.9 t ADT: 500

SCOTT AVE #8000

Good

Over: CREEK

NEWTON, Jasper, IL

Built 1975 Load: 25.9 t ADT: 1,550

FAS-819

Good

Over: TRIB CASEY FORK

0.5 MI E TEXICO, Jefferson, IL

Built 1974 Load: 25.9 t ADT: 1,350

TR-485

Good

Over: TRIB ATCHISON CREEK

0.5 MI S BONNIE, Jefferson, IL

Built 1975 Load: 25.9 t ADT: 350

TR-143

Good

Over: RAYSE CREEK

2.5 MI SW CRAVAT, Jefferson, IL

Built 1981 Load: 25.9 t ADT: 50

FAU-8745

Good

Over: CREEK

MT VERNON, Jefferson, IL

Built 1980 Load: 25.9 t ADT: 2,050

TR 14

Good

Over: CRANE CR EAST BR

3 MI E OF REDDICK, Kankakee, IL

Built 1968 Load: 25.9 t ADT: 75

TR 119

Good

Over: CRANE CREEK

2.5 MI. E. REDDICK, Kankakee, IL

Built 1969 Load: 25.9 t ADT: 100

TR-49

Good

Over: L. VERMILLION CR.

N 45TH E 480, LaSalle, IL

Built 1953 Load: 25.9 t ADT: 100

COUNTY LINE RD

Good

Over: BIG INDIAN CREEK

3.5 MI S OF US.30, Lee, IL

Built 1968 Load: 25.9 t ADT: 325

ROCK ISLAND ROAD

Good

Over: DRAINAGE DITCH

0.2 M W BOLLMAN RD, Lee, IL

Built 1968 Load: 25.9 t ADT: 2,300

LEE ROAD

Good

Over: BR OF GREEN RIVER

0.2 M W PAW PAW RD, Lee, IL

Built 1964 Load: 25.9 t ADT: 75

FAS 1362 CH 8

Good

Over: PIKE CREEK

4 MI W OF OCOYA, Livingston, IL

Built 1947 Load: 25.9 t ADT: 400

WASHINGTON ST

Good

Over: GOOSEBERRY CREEK

S OF WILLIAMS ST, Livingston, IL

Built 1964 Load: 25.9 t

ROCKY FORD RD

Good

Over: LOCAL DRAINAGE

2 MI SW LINCOLN, Logan, IL

Built 1955 Load: 25.9 t ADT: 20

FAS-791

Good

Over: BRANCH CROOKED CREEK

3 MI S SELMAVILLE, Marion, IL

Built 1940 Load: 25.9 t ADT: 2,500

FAS-1787

Good

Over: DAVIDSON CREEK

2 MI W TONTI, Marion, IL

Built 1940 Load: 25.9 t ADT: 525

TR-116

Good

Over: PRAIRIE CREEK

1 MI N ODIN, Marion, IL

Built 1979 Load: 25.9 t ADT: 150

TR 53

Good

Over: TRIB OF SENACHWINE

T12N-R8E-4PM SEC 1, Marshall, IL

Built 2018 Load: 25.9 t ADT: 20

FAS 443 - CH 16

Good

Over: GRINDSTONE CREEK

SW-19-T4NR2W, McDonough, IL

Built 1955 Load: 25.9 t ADT: 550

ALGONQUIN ROAD

Good

Over: WOODS CRK W RANDALL

0.7 MI W RANDALL RD, McHenry, IL

Built 2007 Load: 25.9 t ADT: 22,300

TR 536

Good

Over: SANGAMON RIVER

2.0 MI SE ARROWSMITH, McLean, IL

Built 1973 Load: 25.9 t ADT: 25

TR 559A

Good

Over: W FORK SALT CREEK

S EDGE OF LEROY, McLean, IL

Built 1968 Load: 25.9 t ADT: 75

TR 424

Good

Over: TURKEY CREEK

1.0 MI N LEXINGTON, McLean, IL

Built 1970 Load: 25.9 t ADT: 50

Showing 14,701-14,750 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.