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

SHAY RD - TR 70A

Fair

Over: DRAINAGE DITCH

E.CTR-28-T22NR5W, Tazewell, IL

Built 1963 Load: 25.6 t ADT: 25

TR 54

Fair

Over: SALT FORK

2 MI NW FAIRMOUNT, Vermilion, IL

Built 1965 Load: 25.6 t ADT: 375

TR 145

Fair

Over: WINDFALL CREEK

2.5 MI SE JAMESBURG, Vermilion, IL

Built 1971 Load: 25.6 t ADT: 250

FAIRCHILD(FAU 7002

Fair

Over: STONY CREEK

CITY OF DANVILLE, Vermilion, IL

Built 1905 Load: 25.6 t ADT: 5,250

FAP-332 (ILL-1)

Fair

Over: GRINDSTONE CREEK

.5 MI S BROWNSVILLE, White, IL

Built 1922 Load: 25.6 t ADT: 3,250

BURNS RD

Fair

Over: DRAINAGE DITCH

3 MI N OF ERIE, Whiteside, IL

Built 1958 Load: 25.6 t ADT: 250

FAS 903 (UNMARKED)

Fair

Over: LAKE CREEK

1 MI W JOHNSTON CITY, Williamson, IL

Built 1956 Load: 25.6 t ADT: 6,000

FAVOR ROAD

Fair

Over: GLEASON CREEK

1 MI W OWEN CENTER, Winnebago, IL

Built 1966 Load: 25.6 t ADT: 150

FAS-1359 (CH8)

Fair

Over: Mackinaw River

3 MI N CONGERVILLE, Woodford, IL

Built 1968 Load: 25.6 t ADT: 550

TR 41

Fair

Over: CLEAR CK

3.5 MI E ATLANTA, Logan, IL

Built 1970 Load: 25.8 t ADT: 75

TR 82

Fair

Over: HOLMAN CRK.

3.4 MI NE QUINCY, Adams, IL

Built 1915 Load: 25.9 t ADT: 100

TR 205

Fair

Over: ROCK CRK

2.6 MI SE URSA, Adams, IL

Built 1905 Load: 25.9 t ADT: 250

TR 97

Fair

Over: BRANCH OF DRY BRANCH

2.5MI NW MULBERRY GR, Bond, IL

Built 1917 Load: 25.9 t ADT: 25

TR 240

Fair

Over: AVERY BRANCH

3M SW MULBERRY GROVE, Bond, IL

Built 1915 Load: 25.9 t ADT: 10

GUSTAFSON RD

Fair

Over: BEAVER CREEK

3.5 MI NW BELVIDERE, Boone, IL

Built 1958 Load: 25.9 t ADT: 125

FAS 253/CH 10

Fair

Over: GREEN RIVER

7 MI. N. OF MINERAL, Bureau, IL

Built 1959 Load: 25.9 t ADT: 125

TR 193

Fair

Over: BRANCH E BUREAU CREE

1 1/2 MI E OF MALDEN, Bureau, IL

Built 1947 Load: 25.9 t ADT: 100

TOWNSHIP ROAD 112A

Fair

Over: ILL & MISS CANAL

3 MI NE SHEFFIELD, Bureau, IL

Built 1978 Load: 25.9 t ADT: 25

LINCOLN AVENUE

Fair

Over: ADAMS CREEK

EAST CENTER CHERRY, Bureau, IL

Built 1940 Load: 25.9 t ADT: 150

E BROOKVILLE ROAD

Fair

Over: MIDDLE CREEK

5 MI SE LANARK, Carroll, IL

Built 1974 Load: 25.9 t ADT: 225

CH 11 A

Fair

Over: STREAM

W OF THOMASBORO, Champaign, IL

Built 1936 Load: 25.9 t

TR 35

Fair

Over: SANGAMON RIVER

3.2 MI NE OF FISHER, Champaign, IL

Built 1969 Load: 25.9 t ADT: 325

TR 318

Fair

Over: STREAM

3 MI NW HOMER, Champaign, IL

Built 1967 Load: 25.9 t ADT: 350

TR 83

Fair

Over: BUCK CREEK

2.5 MI SSW PENFIELD, Champaign, IL

Built 1969 Load: 25.9 t ADT: 35

MS 8000

Fair

Over: UPPER SALT FORK DIT

SE EDGE OF RANTOUL, Champaign, IL

Built 1974 Load: 25.9 t ADT: 200

TR 265

Fair

Over: KASKASKIA DITCH

1.5 MI NW OF SADORUS, Champaign, IL

Built 1972 Load: 25.9 t ADT: 25

SPRINGFIELD(FAU 71

Fair

Over: BONEYARD CREEK

E OF COLER AVE, Champaign, IL

Built 1900 Load: 25.9 t ADT: 5,500

TR 18

Fair

Over: CLEAR CREEK

1.5 S OF SICILY, Christian, IL

Built 1926 Load: 25.9 t ADT: 100

FAS 688(CH 8)

Fair

Over: E MILL CREEK

1 MI NW MARSHALL, Clark, IL

Built 1957 Load: 25.9 t ADT: 2,150

TR-34A

Fair

Over: CREEK

2 MI W IOLA, Clay, IL

Built 1976 Load: 25.9 t ADT: 100

FAS 788

Fair

Over: LOST CREEK

1.5 MI N HOFFMANN, Clinton, IL

Built 1959 Load: 25.9 t ADT: 575

TR 211/AIRPORT RD

Fair

Over: QUEENS LAKE BR

.8 W AIRPORT, Clinton, IL

Built 1901 Load: 25.9 t ADT: 325

TR 148

Fair

Over: UNION DRAIN DIT #3

2.5 MI N CHARLESTON, Coles, IL

Built 1960 Load: 25.9 t ADT: 75

CH 7

Fair

Over: LITTLE BRANCH

.5 MI N LK PARADISE, Coles, IL

Built 1909 Load: 25.9 t ADT: 600

TR 22

Fair

Over: BRUSH CREEK

1 MI SW OF ETNA, Coles, IL

Built 1940 Load: 25.9 t ADT: 100

S 14TH (FAU 7695))

Fair

Over: KICKAPOO DRAIN DITCH

MATTOON, Coles, IL

Built 1953 Load: 25.9 t ADT: 2,100

IL 68 (DUNDEE RD)

Fair

Over: DES PLAINES RIVER

0.2 M E US 45, Cook, IL

Built 1932 Load: 25.9 t ADT: 23,500

LAKE ST

Fair

Over: DES PLAINES RIVER

1.5 M W IL 43, Cook, IL

Built 1931 Load: 25.9 t ADT: 9,700

US 12,20 (95TH ST)

Fair

Over: DRAINAGE DITCH

.02M W OF 54TH AV, Cook, IL

Built 1945 Load: 25.9 t ADT: 29,800

IL 83 (CAL-SAG RD

Fair

Over: NAVOJO CREEK

0.8 M E IL 43, Cook, IL

Built 1968 Load: 25.9 t ADT: 15,900

IL 50

Fair

Over: LAKE GEORGE OVERFLOW

1.6 M S OF US 30, Cook, IL

Built 1950 Load: 25.9 t ADT: 9,500

IL 43 (HARLEM AVE

Fair

Over: TINLEY CREEK

0.2 M S 143RD ST, Cook, IL

Built 1925 Load: 25.9 t ADT: 31,400

WESTERN AVE

Fair

Over: MIDLOTHIAN CR

1.4 M S of 127th St, Cook, IL

Built 1980 Load: 25.9 t ADT: 5,750

GRAND AVE

Fair

Over: SILVER CREEK

0.3 M W US 12,20, Cook, IL

Built 1930 Load: 25.9 t ADT: 24,200

171ST ST

Fair

Over: MIDLOTHIAN CREEK

0.03 MI. W 80TH AV, Cook, IL

Built 1951 Load: 25.9 t ADT: 16,400

OAKWOOD

Fair

Over: NORTH CR

0.2 M S 186TH P2, Cook, IL

Built 1964 Load: 25.9 t ADT: 950

MEADOWBROOK

Fair

Over: N BR CHICAGO RIV

0.2 E SUNSET RGE P14, Cook, IL

Built 1977 Load: 25.9 t ADT: 225

JACKSON ST

Fair

Over: ADDISON CR

0.72 M E MANHEIM P20, Cook, IL

Built 1928 Load: 25.9 t ADT: 450

32ND AVE

Fair

Over: ADDISON CR

0.6 M E US 45, Cook, IL

Built 1928 Load: 25.9 t ADT: 100

201 ST

Fair

Over: LANSING DITCH LYN TR

0.01 M E ILL 83 P2, Cook, IL

Built 1974 Load: 25.9 t ADT: 4,000

Showing 5,901-5,950 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.