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%.

Condition Distribution

Illinois48.2%42.6%9.2%GoodFairPoor
Bridge inventory deck-condition mix - Illinois (FHWA NBI)

Counties (102)

Adams 325 Alexander 96 Bond 165 Boone 111 Brown 71 Bureau 382 Calhoun 81 Carroll 185 Cass 77 Champaign 743 Christian 323 Clark 232 Clay 171 Clinton 187 Coles 308 Cook 2185 Crawford 196 Cumberland 169 De Witt 197 DeKalb 264 Douglas 234 DuPage 380 Edgar 278 Edwards 79 Effingham 260 Fayette 356 Ford 300 Franklin 323 Fulton 210 Gallatin 82 Greene 166 Grundy 269 Hamilton 164 Hancock 291 Hardin 58 Henderson 144 Henry 331 Iroquois 565 Jackson 235 Jasper 180 Jefferson 270 Jersey 111 Jo Daviess 198 Johnson 120 Kane 354 Kankakee 352 Kendall 133 Knox 321 LaSalle 529 Lake 286 Lawrence 183 Lee 372 Livingston 578 Logan 296 Macon 368 Macoupin 248 Madison 543 Marion 301 Marshall 153 Mason 85 Massac 138 McDonough 210 McHenry 229 McLean 624 Menard 90 Mercer 162 Monroe 130 Montgomery 261 Morgan 241 Moultrie 171 Ogle 377 Peoria 365 Perry 139 Piatt 249 Pike 338 Pope 86 Pulaski 106 Putnam 50 Randolph 155 Richland 147 Rock Island 256 Saline 176 Sangamon 480 Schuyler 121 Scott 96 Shelby 330 St. Clair 502 Stark 89 Stephenson 332 Tazewell 361 Union 192 Vermilion 515 Wabash 88 Warren 202 Washington 232 Wayne 264 White 210 Whiteside 280 Will 674 Williamson 204 Winnebago 475 Woodford 222

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.

FAS 1599

Poor

Over: DRAINAGE CANAL

2.2 MI E MEYER, Adams, IL

Built 1980 Load: 0.6 t ADT: 200

CH 15

Poor

Over: E FK MAZONRIVER

0.05 MI W CH 16, Grundy, IL

Built 1977 Load: 1.0 t ADT: 1,400

MOOSE RD - TR 240

Poor

Over: WILSON CREEK

NE-35-T3NR2E, Fulton, IL

Built 1935 Load: 1.3 t ADT: 10

TR 10-B

Poor

Over: KING CREEK

W EDGE OF MINERAL, Bureau, IL

Built 1899 Load: 1.6 t ADT: 10

TR-6

Poor

Over: DRAINAGE DITCH

3.5 MI NE DIETERICH, Effingham, IL

Built 1909 Load: 1.6 t ADT: 25

TR208K(TWIN BRIDGE

Poor

Over: BIG CREEK

NE EDGE MT ZION, Macon, IL

Built 1967 Load: 1.9 t ADT: 375

All Bridges in Illinois

IL PRAIRIE PATH-MA

Unknown

Over: FINLEY ROAD

0.2 MI E I-355, DuPage, IL

Built 1978 ADT: 6,800

Ill Prairie Path

Unknown

Over: Eola Road

0.1 MI S Diehl Road, DuPage, IL

Built 1994 ADT: 27,300

NCENTRAL DUPAGE TR

Unknown

Over: COUNTY FARM RD

075 MI N SCHICK RD, DuPage, IL

Built 2016 ADT: 17,100

BURLINGTON/WARREN

Unknown

Over: BELMONT ROAD

0.14 S HADDOW AVE, DuPage, IL

Built 2012 ADT: 13,400

PARK ST.

Unknown

Over: PALMER DR

0.5 MI. S. OF ILL 64, DuPage, IL

Built 1976 ADT: 12,800

C&NW RR

Unknown

Over: KENILWORTH AVE

0.5 MI. S. OF ILL 64, DuPage, IL

Built 1976 ADT: 12,800

FIRST AVE.

Unknown

Over: PALMER DR

0.5 MI. S. OF ILL 64, DuPage, IL

Built 1976 ADT: 12,800

Windsor Drive

Unknown

Over: Tollway Ramps M & N

.25 MI N 22 ND ST., DuPage, IL

Built 2021 ADT: 22,000

PED OVERPASS

Unknown

Over: IL83

19' S 31ST & 83, DuPage, IL

Built 1900 ADT: 61,300

PED OVERPASS

Unknown

Over: E W TOLLWAY(I88)

35' W OF YORK & I88, DuPage, IL

Built 1900 ADT: 119,100

Pedestrian Walkway

Unknown

Over: McCoy Drive

0.9 MI SW of Eola Rd, DuPage, IL

Built 2003 ADT: 7,300

BICYCLE PED. TRAIL

Unknown

Over: OVER IL19

.2M W OF ADDISON RD, DuPage, IL

Built 2002 ADT: 22,400

RR - UP

Unknown

Over: IL 19 (IRVING PARK)

.03M E OF YORK RD, DuPage, IL

ADT: 26,500

IL-390 (EB)

Unknown

Over: PROSPECT AVE

1.3 MI E. OF I 290, DuPage, IL

Built 2017 ADT: 7,900

IL-390 (WB)

Unknown

Over: PROSPECT AVE

1.3 MI E OF I 290, DuPage, IL

Built 2017 ADT: 6,550

IL 390 EB

Unknown

Over: MITTEL BL

1.9 MI E. OF I 290, DuPage, IL

Built 2015 ADT: 1,050

IL 390 WB

Unknown

Over: MITTEL BL

1.9 MI E OF I 290, DuPage, IL

Built 2017 ADT: 1,050

WOOD DALE RD

Unknown

Over: IL 390

2.2 MI E OF I 290, DuPage, IL

Built 2015 ADT: 16,200

IL-390 (WB)

Unknown

Over: ARLINGTON HEIGHTS RD

150' N THORNDALE, DuPage, IL

Built 2017 ADT: 8,750

IL-390 (EB)

Unknown

Over: ARLINGTON HEIGHTS RD

50' N THORNDALE, DuPage, IL

Built 2017 ADT: 1,500

IL 390 WB

Unknown

Over: US IL RTE 83

N THORNDALE & RTE 83, DuPage, IL

Built 2018 ADT: 39,900

IL 390 EB

Unknown

Over: US IL RTE 83

N THORNDALE & RTE 83, DuPage, IL

Built 2018 ADT: 39,900

I-294 SB TO I-290

Unknown

Over: I-290 WB TO US20 EB

1.7 M S OF GRAND AVE, DuPage, IL

Built 2022 ADT: 8,600

Rohllwing Rd Ramp

Unknown

Over: IL-390

0.04 M E of IL 53, DuPage, IL

Built 2017 ADT: 21,700

Elgin O'Hare Ramp

Unknown

Over: Ramps G2 & G3

0.8 m E of IL 53, DuPage, IL

Built 2016 ADT: 7,700

ILL 390 WESTBOUND

Unknown

Over: LIVELY BL

2.75 MI E I-290, DuPage, IL

Built 2015 ADT: 4,800

ILL 390 EASTBOUND

Unknown

Over: LIVELY BL

2.75 MI E I-290, DuPage, IL

Built 2015 ADT: 825

RAYMOND DR

Unknown

Over: I-88 E-W TOLL RD.

1M E ILL 59, DuPage, IL

Built 2000 ADT: 131,500

BNSF RR

Unknown

Over: BELMONT ROAD

.01M S of Belmont, DuPage, IL

Built 2012 ADT: 13,400

I-88 EB E-W TOLL

Unknown

Over: WARRENVILLE ROAD

0.1MI W OF IL 53, DuPage, IL

Built 2006 ADT: 12,600

I-88 WB E-W TOLL

Unknown

Over: WARRENVILLE ROAD

0.1MI W OF IL 53, DuPage, IL

Built 2007 ADT: 12,600

I-88 EB E-W TOLL

Unknown

Over: IL 53

0.1 MI E DUPAGE RVR, DuPage, IL

Built 2008 ADT: 23,200

I-88 WB E-W TOLL

Unknown

Over: IL 53

0.1 MI E DUPAGE RVR, DuPage, IL

Built 2009 ADT: 22,700

York Road

Unknown

Over: I-88

1.7 Mi NE of ILL. 83, DuPage, IL

Built 2018 ADT: 119,100

I88WB CDRAMP EW TO

Unknown

Over: CERMACK RD

0.2 MI E IL 83, DuPage, IL

Built 2009 ADT: 32,400

HIGHLAND AVE

Unknown

Over: I-88 E-W TOLL RD.

02 M SO OF ILL 56, DuPage, IL

Built 1958 ADT: 156,000

YORK ROAD

Unknown

Over: I-88 E-W Toll Ramp

2M.E.OF IL-83, DuPage, IL

Built 1958 ADT: 16,200

EOLA ROAD

Unknown

Over: I-88 E-W TOLL RD.

2.5M W. IL 59, DuPage, IL

Built 1958 ADT: 105,400

MIDWEST RD

Unknown

Over: I-88 E-W TOLL RD.

0.7 MI W IL 83, DuPage, IL

Built 1958 ADT: 156,000

WASHINGTON ST

Unknown

Over: FAI 88

1M.W.OF N/VILLE RD., DuPage, IL

Built 1958 ADT: 140,800

E.J.&E. RR

Unknown

Over: I-88 E-W TOLL RD.

1.5 M E KANE CO LINE, DuPage, IL

Built 1958 ADT: 105,400

I-88 EB

Unknown

Over: YACKLEY AVENUE

0.9 M W OF ILL 53, DuPage, IL

Built 1958 ADT: 6,600

I-88 WB

Unknown

Over: YACKLEY AVENUE

0.9M W OF ILL 53, DuPage, IL

Built 1958 ADT: 6,600

I-88 EB

Unknown

Over: ILL 38 (ROOSEVELT RD

1.0 M.N.22ND.ST., DuPage, IL

Built 1958 ADT: 47,200

I-88 WB

Unknown

Over: ILL 38 (ROOSEVELT RD

1.0 M.N.22ND.ST., DuPage, IL

Built 1958 ADT: 47,200

I-88 EB E-W TOLLWA

Unknown

Over: 22ND ST (CERMAK RD)

0.2 MI E OF IL 83, DuPage, IL

Built 2009 ADT: 32,400

I-88 WB E-W TOLLWA

Unknown

Over: 22ND ST (CERMAK RD)

0.2MI E OF IL 83, DuPage, IL

Built 2009 ADT: 32,400

C&NW. R.R.

Unknown

Over: MAIN STREET

1.2 M S OF ILL 64, DuPage, IL

Built 1900 ADT: 13,100

CHGO.CENTRAL R.R.

Unknown

Over: GLEN ELLYN RD

1.3 M N OF ILL 64, DuPage, IL

Built 1900 ADT: 13,100

CHGO.CENTRAL R.R.

Unknown

Over: BARTLETT ROAD

2 M S OF COOK CO., DuPage, IL

Built 1900 ADT: 8,450

Showing 1,701-1,750 of 27,743 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.