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-443

Fair

Over: SKILLET FORK

2 MI NW WAYNE CITY, Wayne, IL

Built 1997 Load: 32.4 t ADT: 75

TR 262

Fair

Over: SKILLET FORK

2.5 MI S SIMS, Wayne, IL

Built 2001 Load: 32.4 t ADT: 75

TR-214

Fair

Over: DRAINAGE DITCH

3 MI E BURNT PRAIRIE, White, IL

Built 1977 Load: 32.4 t ADT: 25

TR-137

Fair

Over: CROOKED CREEK

1.5 MI W PHILLIPSTWN, White, IL

Built 1978 Load: 32.4 t ADT: 25

TR-296

Fair

Over: CREEK

4 MI NE CARMI, White, IL

Built 1978 Load: 32.4 t ADT: 25

CH-12

Fair

Over: SEVENMILE CREEK

2.5 MI ESE ENFIELD, White, IL

Built 1983 Load: 32.4 t ADT: 75

TR-311

Fair

Over: BEAR CREEK

1 MI NW NORRIS CITY, White, IL

Built 1981 Load: 32.4 t ADT: 25

TR-198

Fair

Over: GRINDSTONE CREEK

2 MI SE BROWNSVILLE, White, IL

Built 1982 Load: 32.4 t ADT: 25

TR-194

Fair

Over: FLANDERS CREEK

2 MI SW CARMI, White, IL

Built 1983 Load: 32.4 t ADT: 200

FAS-1818 (CH-23)

Fair

Over: FLOOD RELIEF STRUCT

1 MI S CARMI, White, IL

Built 1987 Load: 32.4 t ADT: 450

TR-376

Fair

Over: DRAINAGE DITCH

1.5 MI N MAUNIE, White, IL

Built 1984 Load: 32.4 t ADT: 25

TR-422

Fair

Over: DRAINAGE DITCH

2 MI S GRAYVILLE, White, IL

Built 1984 Load: 32.4 t ADT: 25

TR-19

Fair

Over: PRAIRE CREEK

2 MI SW BURNT PRAIRI, White, IL

Built 1984 Load: 32.4 t ADT: 10

TR-181

Fair

Over: LOST CREEK

2 MI NW ENFIELD, White, IL

Built 1984 Load: 32.4 t ADT: 25

TR-7

Fair

Over: FRENCH CREEK

1 MI SW GRAYVILLE, White, IL

Built 1984 Load: 32.4 t ADT: 25

TR-273

Fair

Over: LICK CREEK

2.5 SW BROWNSVILLE, White, IL

Built 1984 Load: 32.4 t ADT: 25

TR-159

Fair

Over: TRIB SKILLET FORK

2 MI NW CARMI, White, IL

Built 1986 Load: 32.4 t ADT: 25

TR-49

Fair

Over: TRIB LITTLE WABASH

3.5 MI SW GRAYVILLE, White, IL

Built 1986 Load: 32.4 t ADT: 25

TR-215

Fair

Over: TRIB LITTLE WABASH

1 MI SE CARMI, White, IL

Built 1987 Load: 32.4 t ADT: 25

TR-353

Fair

Over: CANE CREEK

4.5 MI E NORRIS CITY, White, IL

Built 1988 Load: 32.4 t ADT: 25

TR-268

Fair

Over: TRIB LITTLE WABASH

1 MI SE CARMI, White, IL

Built 1988 Load: 32.4 t ADT: 50

TR-190

Fair

Over: TRIB CANE CREEK

5.5 MI W NEW HAVEN, White, IL

Built 1988 Load: 32.4 t ADT: 25

TR-18

Fair

Over: BIG CREEK DRAIN DTCH

1 MI SW MILL SHOALS, White, IL

Built 1989 Load: 32.4 t ADT: 10

TR-136

Fair

Over: LICK CREEK

2 MI SW BROWNSVILLE, White, IL

Built 1989 Load: 32.4 t ADT: 50

CH-21

Fair

Over: WABASH LEVEE DITCH

0.75 MI W RISING SUN, White, IL

Built 1990 Load: 32.4 t ADT: 100

TR-416

Fair

Over: FRENCH CREEK

1 MI NE CALVIN, White, IL

Built 1991 Load: 32.4 t ADT: 50

TR-27

Fair

Over: TRIB FRENCH CREEK

2 MI SW GRAYVILLE, White, IL

Built 1990 Load: 32.4 t ADT: 75

TR-23

Fair

Over: RANDOLPH DR DITCH

1.75 MI N CENTERVILL, White, IL

Built 1994 Load: 32.4 t ADT: 50

TR-219

Fair

Over: DRAINAGE DITCH

3.5 MI SE ENFIELD, White, IL

Built 1991 Load: 32.4 t ADT: 10

TR-370

Fair

Over: GRANNY TWEEDLE DITCH

4 MI NE NEW HAVEN, White, IL

Built 1990 Load: 32.4 t ADT: 100

TR-221

Fair

Over: BROWNS POND DITCH

3 MI E EPWORTH, White, IL

Built 1990 Load: 32.4 t ADT: 25

TR-257

Fair

Over: GRINDSTONE CREEK

1.5 MI SE BROWNSVILL, White, IL

Built 1991 Load: 32.4 t ADT: 10

TR-80

Fair

Over: TRIB SEVEN MILE CK

1 MI SE ENFIELD, White, IL

Built 1991 Load: 32.4 t ADT: 25

TR-401

Fair

Over: BEAR CREEK

4 MI S NORRIS CITY, White, IL

Built 1991 Load: 32.4 t ADT: 25

TR-233

Fair

Over: BROWNS POND DITCH

1.5 MI NE MAUNIE, White, IL

Built 1992 Load: 32.4 t ADT: 25

TR-318

Fair

Over: TRIB LITTLE WABASH

3 MI SW CROSSVILLE, White, IL

Built 1991 Load: 32.4 t ADT: 225

FAS-882 (CH-10)

Fair

Over: WILSON CREEK

5 MI N CARMI, White, IL

Built 2005 Load: 32.4 t ADT: 50

FAS-885 (CH-10)

Fair

Over: CROOKED CREEK

1.75 MI W CROSSVILLE, White, IL

Built 1994 Load: 32.4 t ADT: 225

TR-456

Fair

Over: TRIB LITTLE WABASH

S PART CARMI, White, IL

Built 1992 Load: 32.4 t ADT: 100

TR-194

Fair

Over: TRIB LITTLE WABASH

SW OF CARMI, White, IL

Built 1992 Load: 32.4 t ADT: 200

TR-391

Fair

Over: TRIB CANE CREEK

2 MI NW NEW HAVEN, White, IL

Built 1993 Load: 32.4 t ADT: 50

TR-425

Fair

Over: CANE CREEK

6 MI W NEW HAVEN, White, IL

Built 1993 Load: 32.4 t ADT: 25

TR-263

Fair

Over: TRIB BEAR CREEK

0.5 MI SE SACREMENTO, White, IL

Built 1993 Load: 32.4 t ADT: 25

FAS-1884 (CH-3)

Fair

Over: TRIB LITTLE WABASH R

4.5 MI N CROSSVILLE, White, IL

Built 1992 Load: 32.4 t ADT: 100

TR-191

Fair

Over: GOWDY CREEK

0.5 MI W ENFIELD, White, IL

Built 1993 Load: 32.4 t ADT: 75

CH-5

Fair

Over: MCHENRY SLOUGH

3.25 MI S CROSSVILLE, White, IL

Built 1994 Load: 32.4 t ADT: 25

TR-142A

Fair

Over: TRIB SEVENMILE CREEK

4 MI W CARMI, White, IL

Built 1994 Load: 32.4 t ADT: 25

TR-340

Fair

Over: STREAM

1 MI NW CROSSVILLE, White, IL

Built 1995 Load: 32.4 t ADT: 50

TR 202

Fair

Over: BIG HILL CREEK

2 MI NW CARMI, White, IL

Built 1996 Load: 32.4 t ADT: 150

TR 423

Fair

Over: CANE CREEK

4MIS 1MIE NORRISCTY, White, IL

Built 1997 Load: 32.4 t ADT: 50

Showing 9,901-9,950 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.