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 56

Good

Over: DITCH

1 M E OF HIGHLAND, DuPage, IL

Built 1974 Load: 32.4 t ADT: 41,000

IL 19

Good

Over: MEACHAM CREEK

.17 M E OF MEDINH RD, DuPage, IL

Built 2009 Load: 32.4 t ADT: 14,200

BAILEY ROAD

Good

Over: WEST BR DUPAGE R

N OF WILL CO E WASH, DuPage, IL

Built 1969 Load: 32.4 t ADT: 4,450

ST CHARLES RD

Good

Over: W BRANCH DUPAGE RIV

1.5 MI E IL-59, DuPage, IL

Built 2005 Load: 32.4 t ADT: 275

FULLERTON AVE

Good

Over: SALT CREEK

0.5 MI W IL 83, DuPage, IL

Built 2013 Load: 32.4 t ADT: 950

IL 53

Good

Over: ST JOSEPH CREEK

0.2 M N OF US 34, DuPage, IL

Built 2013 Load: 32.4 t ADT: 23,200

MIDWEST ROAD

Good

Over: GINGER CREEK

0.5 MI S I-88, DuPage, IL

Built 2001 Load: 32.4 t ADT: 7,300

FAP-345 (York Rd)

Good

Over: Bensenville Ditch

350' N OF IL19, DuPage, IL

Built 1995 Load: 32.4 t ADT: 26,500

Army Trail Rd

Good

Over: E Br DuPage River

1.1 Mi W I-355, DuPage, IL

Built 2004 Load: 32.4 t ADT: 33,200

Finley Road

Good

Over: Lacey Creek

0.8 Mi. N. of US 34, DuPage, IL

Built 1987 Load: 32.4 t ADT: 10,900

63rd Street

Good

Over: Prentiss Creek

1.2 Mi. E. Ill. 53, DuPage, IL

Built 1986 Load: 32.4 t ADT: 19,100

JOLIET AND WILSON

Good

Over: KRESS CREEK

0.25 M. W.OF IL 59, DuPage, IL

Built 2013 Load: 32.4 t ADT: 8,500

WINFIELD ROAD

Good

Over: SPRING BROOK CREEK

0.8 M N OF IL 38, DuPage, IL

Built 2013 Load: 32.4 t ADT: 6,350

International Park

Good

Over: Black Partridge Creek

0.1 MI W OF WOODWARD AVE, DuPage, IL

Built 1998 Load: 32.4 t ADT: 4,200

THUNDERBIRD TRAIL

Good

Over: KLEIN CREEK

150 FT E SILVERLEAF, DuPage, IL

Built 1974 Load: 32.4 t ADT: 775

ILLINI DRIVE

Good

Over: KLEIN CREEK

200' W. HIAWATHA DR, DuPage, IL

Built 2014 Load: 32.4 t ADT: 1,650

Oak Street

Good

Over: BNSF RR

0.7MI.N.ofChicagoAve, DuPage, IL

Built 2015 Load: 32.4 t ADT: 3,100

MS-2020 (Maple Av)

Good

Over: Spring Brook

300 FT S OF IL-19, DuPage, IL

Built 2015 Load: 32.4 t ADT: 475

SHORT STREET

Good

Over: E BRANCH DUPAGE RIV

800' W IL 53, DuPage, IL

Built 2011 Load: 32.4 t ADT: 1,400

MAIN ST

Good

Over: ST JOESEPH CREEK

.30 M N OF OGDEN AV, DuPage, IL

Built 1991 Load: 32.4 t ADT: 1,800

BURLINGTON AV

Good

Over: E BRANCH DUPAGE R

900'W OF IL53, DuPage, IL

Built 1989 Load: 32.4 t ADT: 1,100

VARSITY DR.

Good

Over: ROTT CREEK

N.OF UNIVERSITY LA., DuPage, IL

Built 1978 Load: 32.4 t ADT: 250

REGENCY WOODS DR.

Good

Over: WILLOW WAY CR.

W.OF LEASK LANE, DuPage, IL

Built 1989 Load: 32.4 t ADT: 175

Four Lakes Avenue

Good

Over: E. Br. DuPage River

0.4 MI W IL 53, DuPage, IL

Built 2016 Load: 32.4 t ADT: 3,800

HILLSIDE RD

Good

Over: WEST BR DUPAGE R

150 FT W MELODY LA., DuPage, IL

Built 1960 Load: 32.4 t ADT: 2,950

MAIN ST

Good

Over: DUPAGE RIVER

MAIN ST & CHICAGO AV, DuPage, IL

Built 2005 Load: 32.4 t ADT: 5,900

JEFFERSON AV

Good

Over: W. BR. DUPAGE RV

.5M E OF RIVER RD, DuPage, IL

Built 2010 Load: 32.4 t ADT: 2,200

Station Blvd

Good

Over: Waubonsie Creek

0.06 MI NE New York, DuPage, IL

Built 2007 Load: 32.4 t ADT: 1,450

Station Blvd.

Good

Over: Waubonsie Creek

.02 MI N Meridian Lk, DuPage, IL

Built 2016 Load: 32.4 t ADT: 1,000

S WOODLAWN ST

Good

Over: WINFIELD CRK

0.2 MI N IL-38, DuPage, IL

Built 1990 Load: 32.4 t ADT: 1,000

MAIN STREET

Good

Over: WINFIELD CREEK

500' S of Cole Av, DuPage, IL

Built 2013 Load: 32.4 t ADT: 6,450

MANCHESTER ROAD

Good

Over: SPRING BROOK

550 FT E OF EAST ST, DuPage, IL

Built 1978 Load: 32.4 t ADT: 2,350

SERVICE ROAD

Good

Over: SPRING BROOK CREEK

0.17 MI S MACK RD, DuPage, IL

Built 2015 Load: 32.4 t ADT: 100

IL 133 (FAP 749)

Good

Over: STREAM

3.0 MI W OF PARIS, Edgar, IL

Built 2006 Load: 32.4 t ADT: 2,100

FAP 323(US 36)

Good

Over: STREAM

EAST OF IL 1, Edgar, IL

Built 2009 Load: 32.4 t ADT: 1,350

IL 133(FAP 749)

Good

Over: STREAM

.25 MI E OF REDMON, Edgar, IL

Built 2012 Load: 32.4 t ADT: 2,100

FAS 681(CH 13)

Good

Over: SUGAR CREEK

2 MI N OF PARIS, Edgar, IL

Built 1976 Load: 32.4 t ADT: 725

CH 9

Good

Over: BROUILLETTS CREEK

1 MI N CHERRY PT RD, Edgar, IL

Built 1977 Load: 32.4 t ADT: 50

FAS 1678(CH 3)

Good

Over: SALT FORK

2 MI E WOODYARD STA, Edgar, IL

Built 1977 Load: 32.4 t ADT: 75

FAS 679(CH 8)

Good

Over: CRABAPPLE CREEK

2 MI W OF ST BERNICE, Edgar, IL

Built 1978 Load: 32.4 t ADT: 50

FAS 682(CH 9)

Good

Over: SHILOH #3 DRAINAGE

50 FT N OF US 36, Edgar, IL

Built 1979 Load: 32.4 t ADT: 25

FAS 681(CH 13)

Good

Over: SUGAR CREEK

6.5 MI E OF REDMON, Edgar, IL

Built 1983 Load: 32.4 t ADT: 150

FAS 681(CH 13)

Good

Over: SUGAR CREEK

6.5 MI E OF REDMON, Edgar, IL

Built 1984 Load: 32.4 t ADT: 150

FAS 1680 CONLOGUE

Good

Over: W FORK BIG CREEK

3.5 N OF CLARKSVILLE, Edgar, IL

Built 1987 Load: 32.4 t ADT: 250

CH 3(FAS 1678)

Good

Over: STREAM

0.7 MI S OF LOGAN, Edgar, IL

Built 1986 Load: 32.4 t ADT: 75

FAS 1682(CH 9)

Good

Over: N FORK BROUILLETTS C

2.8 MI W WOODYARD ST, Edgar, IL

Built 1990 Load: 32.4 t ADT: 150

TR 8

Good

Over: HOG BRANCH

2 MI SW OF BROCTON, Edgar, IL

Built 1990 Load: 32.4 t ADT: 50

CH 19

Good

Over: DRAINAGE DITCH

E EDGE OF REDMAN, Edgar, IL

Built 1993 Load: 32.4 t ADT: 75

FAS 685(CH 15)

Good

Over: STREAM

.5 MI N BELL RIDGE, Edgar, IL

Built 1994 Load: 32.4 t ADT: 150

TR 5

Good

Over: CRABAPPLE CREEK

2 MI S OF RIDGEFARM, Edgar, IL

Built 1997 Load: 32.4 t ADT: 50

Showing 16,551-16,600 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.