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

IL 26 FAP 615

Fair

Over: E. BUREAU CREEK

.3 MI. NW OF I-180, Bureau, IL

Built 1994 Load: 46.3 t ADT: 2,350

I-74(EB)

Fair

Over: Union Pacific Railroad

1.5 MI E ST JOSEPH, Champaign, IL

Built 1959 Load: 46.3 t ADT: 13,200

I-74(WB)

Fair

Over: Union Pacific Railroad

1.5 MI E ST JOSEPH, Champaign, IL

Built 1959 Load: 46.3 t ADT: 13,200

I- 94 SB EDENS

Fair

Over: RR - UP ?

1.3 M N IL 58, Cook, IL

Built 1950 Load: 46.3 t ADT: 64,250

I- 94 NB EDENS

Fair

Over: RR - UP ?

1.3 M N IL 58, Cook, IL

Built 1950 Load: 46.3 t ADT: 64,250

I-70 (WB)

Fair

Over: COTTONWOOD CREEK

6.5MI E EFF CO LINE, Cumberland, IL

Built 1968 Load: 46.3 t ADT: 11,550

MEDINAH RD

Fair

Over: SPRING BROOK

0.5 MI N US-20, DuPage, IL

Built 2005 Load: 46.3 t ADT: 5,450

TR-357

Fair

Over: CONTRARY CREEK

3.75 MI WNW DALE, Hamilton, IL

Built 1973 Load: 46.3 t ADT: 25

FAI 80 EB

Fair

Over: SPRING CREEK

3.7 MI E JCT ILL 82, Henry, IL

Built 1961 Load: 46.3 t ADT: 8,650

FAI 80 WB

Fair

Over: SPRING CREEK

3.7 MI E JCT ILL 82, Henry, IL

Built 1961 Load: 46.3 t ADT: 8,650

ILL 71

Fair

Over: COVEL CR

7.38 MI E OF ILL 178, LaSalle, IL

Built 1981 Load: 46.3 t ADT: 1,650

ILL 23

Fair

Over: BAKER RUN

4.38 MI N OF I-55, Livingston, IL

Built 1977 Load: 46.3 t ADT: 2,900

FAP 712(IL 48)

Fair

Over: STREAM

NE EDGE OF DECATUR, Macon, IL

Built 1976 Load: 46.3 t ADT: 7,300

WALLACE DRIVE

Fair

Over: FOX RIVER SLOUGH

.1 MI W HICKORY NUT, McHenry, IL

Built 2008 Load: 46.3 t ADT: 175

CH 34 (FAU 6381)

Fair

Over: ICG RAILROAD

SHIRLEY, IL, McLean, IL

Built 1977 Load: 46.3 t ADT: 750

ILL 29

Fair

Over: IL RIVER TRIBUTARY

.1 MI S MOSSVILLE RD, Peoria, IL

Built 2009 Load: 46.3 t ADT: 11,400

US 24 & ILL9

Fair

Over: LAMARSH CREEK

WHEELER RD & US 24, Peoria, IL

Built 2011 Load: 46.3 t ADT: 11,200

I-72 EB

Fair

Over: TRIB MCCRANEY CREEK

2M E HULL INTCHG, Pike, IL

Built 1988 Load: 46.3 t ADT: 4,700

I-72 WB

Fair

Over: TRIB MCCRANEY CREEK

2M E HULL INTCHG, Pike, IL

Built 1988 Load: 46.3 t ADT: 4,700

FAS 938

Fair

Over: LIMEKILN SLOUGH

6.5 MI E OF ULLIN, Pulaski, IL

Built 1984 Load: 46.3 t ADT: 1,350

IL 84

Fair

Over: DRAINAGE DITCH

1.4 MI. S. OF I-80, Rock Island, IL

Built 1996 Load: 46.3 t ADT: 5,500

FAP 325(ILL 16)

Fair

Over: ROBINSON CREEK

4.25 MI E TOWER HILL, Shelby, IL

Built 1967 Load: 46.3 t ADT: 5,200

US20 FREPORT BYPS

Fair

Over: PECATONICA RIVER

2.5 MI W OF IL 26, Stephenson, IL

Built 1987 Load: 46.3 t ADT: 6,150

ILL 122

Fair

Over: SUGAR CREEK

1 MI E OF MINIER, Tazewell, IL

Built 1928 Load: 46.3 t ADT: 1,400

I 64 WB

Fair

Over: POND CREEK OVFL

0.1MI E WAYNE CO LN, White, IL

Built 1975 Load: 46.3 t ADT: 6,000

US 45

Fair

Over: PRAIRIE CREEK

5.6 M S OF US 30, Will, IL

Built 1978 Load: 46.3 t ADT: 5,900

RIVER ROAD

Fair

Over: HAMMEL CREEK

N. OF INT W/ US52, Will, IL

Built 2004 Load: 46.3 t ADT: 10,700

FAS 1901

Fair

Over: CRAB ORCHARD SPILWAY

4 MI.SW CARTERVILLE, Williamson, IL

Built 1976 Load: 46.3 t ADT: 1,300

IL 2 SB

Fair

Over: MUD CREEK

0.4 MI S OLD RVR RD, Winnebago, IL

Built 2012 Load: 46.3 t ADT: 11,800

TRASK BRIDGE RD

Fair

Over: UNNAMED CREEK

0.2 MI E COUNTY LINE, Winnebago, IL

Built 1983 Load: 46.3 t ADT: 850

ILL 26

Fair

Over: RICHLAND CREEK

10.18 MI S OF ILL 17, Woodford, IL

Built 1992 Load: 46.3 t ADT: 2,550

I-80 EB

Fair

Over: COAL CREEK

3.81 E/HENRY CO LN, Bureau, IL

Built 1963 Load: 46.7 t ADT: 8,950

I-80 WB

Fair

Over: COAL CREEK

3.82 E/HENRY CO LN, Bureau, IL

Built 1963 Load: 46.7 t ADT: 8,950

I-57

Fair

Over: STREAM

MARKET ST, Champaign, IL

Built 1966 Load: 46.7 t ADT: 22,500

127TH ST BURR OAK

Fair

Over: RR - METRA

0.5 M W I-57, Cook, IL

Built 1957 Load: 46.7 t ADT: 24,200

Hillview-Eldred Rd

Fair

Over: MACOUPIN CREEK

GREENE CO LINE, Jersey, IL

Built 1957 Load: 46.7 t ADT: 550

IL 25

Fair

Over: Stearns Road Trail

0.01 M N STERNS RD, Kane, IL

Built 2009 Load: 46.7 t ADT: 14,900

ORCHARD RD

Fair

Over: Fox River & Omnitrax

0.1 MI N OF IL 71, Kendall, IL

Built 2000 Load: 46.7 t ADT: 13,900

ILL 89

Fair

Over: SANDY CREEK

3.36 MI S. OF ILL 18, Marshall, IL

Built 2000 Load: 46.7 t ADT: 2,200

I-74 EB

Fair

Over: KICKAPOO CR

5.93 MI E OF US 51, McLean, IL

Built 1968 Load: 46.7 t ADT: 9,500

ILL 34

Fair

Over: BLACKMAN CREEK

1 MI SE JCT 34 & 145, Saline, IL

Built 1924 Load: 46.7 t ADT: 2,050

IL 15

Fair

Over: NSRR, ICRR

.70MI E JCT IL 157, St. Clair, IL

Built 1940 Load: 46.7 t ADT: 28,700

US ROUTE 20 WB

Fair

Over: PECATONICA RIVER

2.5 MI W IL RTE 26, Stephenson, IL

Built 2011 Load: 46.7 t ADT: 6,150

W.WASHINGTON ST

Fair

Over: FARM CREEK

1600' S.CAMP ST., Tazewell, IL

Built 1993 Load: 46.7 t ADT: 4,200

ILL 49(FAP 840)

Fair

Over: TRIB STONY CREEK

3 MI NW OF FITHIAN, Vermilion, IL

Built 1975 Load: 46.7 t ADT: 1,350

400 E

Fair

Over: PRAIRIE CREEK

3.5 M NE SPRINGERTON, White, IL

Built 2014 Load: 46.7 t ADT: 10

IL 113

Fair

Over: HORSE CREEK

4.5 M E OF IL 53, Will, IL

Built 1928 Load: 46.7 t ADT: 3,300

ROCKHURST ROAD

Fair

Over: LILY CACHE CREEK

0.2M E OF RT53, Will, IL

Built 1965 Load: 46.7 t ADT: 2,300

EB IL 13

Fair

Over: BNSF RR

1.3 MILES WEST I-57, Williamson, IL

Built 2014 Load: 46.7 t ADT: 26,300

I-70 (WB)

Fair

Over: BIG CREEK

1 MI E ILL 1, Clark, IL

Built 1968 Load: 47.0 t ADT: 12,450

Showing 13,001-13,050 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.