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

N. SATO ROAD-TR 12

Good

Over: TRIB TO BEAUCOUP CR

2.3 MI N IL 4, Jackson, IL

Built 1999 Load: 32.4 t ADT: 75

TR 254-MCMAHAN RD

Good

Over: TRIB TO GLENN CR

0.1 MI N ELKVILLE RD, Jackson, IL

Built 2000 Load: 32.4 t ADT: 150

TR309 W.PLEASANT H

Good

Over: MUD CREEK

1.5M E IL127, Jackson, IL

Built 2002 Load: 32.4 t ADT: 200

CH2 N MUDLINE RD

Good

Over: BEAUCOUP CREEK TRIB

JACK/PERRY CO LINE, Jackson, IL

Built 2002 Load: 32.4 t ADT: 250

TR194-MAPLE SPRG R

Good

Over: TRIB-JONES QUARRY CR

0.2 MI S TOWN CR RD, Jackson, IL

Built 2001 Load: 32.4 t ADT: 25

CH 23-TRICO ROAD

Good

Over: ROCKY BRANCH CREEK

NE CORNER SEC 6-7-3, Jackson, IL

Built 2001 Load: 32.4 t ADT: 250

TR 121 MAIN RD

Good

Over: CAMP CREEK

NW CORN SEC 7-8-2, Jackson, IL

Built 2003 Load: 32.4 t ADT: 10

TR 124A-PIERSON RD

Good

Over: TOWN CREEK

.1MI S CH5-FAS917, Jackson, IL

Built 2002 Load: 32.4 t ADT: 10

TR 252 CROW RD

Good

Over: GLENN CREEK TRIB

.75MI N OF TRAUX TRA, Jackson, IL

Built 2003 Load: 32.4 t ADT: 50

CAVALRY CEM RD

Good

Over: COX CREEK

W LINE SEC 18-7-4, Jackson, IL

Built 2008 Load: 32.4 t ADT: 75

TR 200

Good

Over: RATTLESNAKE CREEK

1 MI N OF IL RT 4, Jackson, IL

Built 2002 Load: 32.4 t ADT: 10

CH 17-DUTCH RIDGE

Good

Over: CEDAR CREEK

3.3MI NE.OF IL 127, Jackson, IL

Built 2002 Load: 32.4 t ADT: 150

ORCHARD HILL RD

Good

Over: SUGAR CREEK

1.66MI SW IL 127, Jackson, IL

Built 2005 Load: 32.4 t ADT: 200

CH 9

Good

Over: MISSISSIPPI TRIB

3.23MI S. RT 3, Jackson, IL

Built 2004 Load: 32.4 t ADT: 25

E PLEASANT HILL RD

Good

Over: CREEK

0.07MI W GIANT CITY, Jackson, IL

Built 2008 Load: 32.4 t ADT: 3,950

GLENN RD

Good

Over: SUGAR CREEK

NW 1/4 SEC 7-9-1, Jackson, IL

Built 2007 Load: 32.4 t ADT: 275

TR 110

Good

Over: RATTLESNAKE CRK TRIB

1 MI N OF IL 4, Jackson, IL

Built 2006 Load: 32.4 t ADT: 10

CH 32

Good

Over: DRAINAGE DITCH

0.74M N IL 3, Jackson, IL

Built 2005 Load: 32.4 t ADT: 150

ELKVILLE WATER RD

Good

Over: TRIB TO LITTLE MUDDY

0.5 MI E. OF ELKVILL, Jackson, IL

Built 2007 Load: 32.4 t ADT: 50

LICHLITER RD

Good

Over: CREEK

2 MI E OF 13/127, Jackson, IL

Built 2009 Load: 32.4 t ADT: 25

ETHERTON RD

Good

Over: CREEK

ETHERTON SWITCH, Jackson, IL

Built 2008 Load: 32.4 t ADT: 125

LITCHLITER ROAD

Good

Over: TRIB TO GLENN CREEK

1 MI E OF IL 13/127, Jackson, IL

Built 2009 Load: 32.4 t ADT: 25

BEAR ROAD

Good

Over: LITTLE CRAB ORC TRIB

.36MI S COUNTRY CLUB, Jackson, IL

Built 2008 Load: 32.4 t ADT: 50

FAS-919 (CH-12)

Good

Over: Drury Creek

0.25MI SE PLEASANT H, Jackson, IL

Built 2017 Load: 32.4 t ADT: 4,550

SIU ACCESS RD

Good

Over: PILES FORK CREEK

1.4 MI S IL 13, Jackson, IL

Built 2011 Load: 32.4 t ADT: 10

MAES RD

Good

Over: TRIB TO BIG MUDDY

1 MI N OF IL 149, Jackson, IL

Built 2011 Load: 32.4 t ADT: 250

TR-98 (Union Sch R

Good

Over: Unnamed Trib

1.1 MI N AVA, Jackson, IL

Built 2017 Load: 32.4 t ADT: 175

TR-98 (Union Sch R

Good

Over: Unnamed Trib.

1.1 MI N AVA, Jackson, IL

Built 2017 Load: 32.4 t ADT: 175

ROYALTON RD

Good

Over: LITTLE MUDDY RIVER

1.6 MI E OF US 51, Jackson, IL

Built 2016 Load: 32.4 t ADT: 1,550

CRANE ROAD

Good

Over: TRIB TO BEAUCOUP CK

2 MI W OF DESOTO, Jackson, IL

Built 2017 Load: 32.4 t ADT: 150

RESERVOIR RD

Good

Over: PILES FORK CREEK

0.08 MI W OF US 51 S, Jackson, IL

Built 1987 Load: 32.4 t ADT: 2,350

COUNTRY CLUB ROAD

Good

Over: TRIB TO MUD CREEK

1.5 MI S OLD IL 13, Jackson, IL

Built 1999 Load: 32.4 t ADT: 700

CRACKERS NECK ST

Good

Over: TRIB TO DRURY CR

VILLAGE OF MAKANDA, Jackson, IL

Built 1998 Load: 32.4 t ADT: 25

CH 11

Good

Over: W FK WETWEATHER CR

2.50 MI SE BOGOTA, Jasper, IL

Built 2006 Load: 32.4 t ADT: 200

FAS-707

Good

Over: LAWS CREEK

3.5 MI W NEWTON, Jasper, IL

Built 1976 Load: 32.4 t ADT: 625

TR-228

Good

Over: WEST CROOKED CREEK

2MI N SAM PARR ST PK, Jasper, IL

Built 1978 Load: 32.4 t ADT: 100

TR-11

Good

Over: WEBSTER BRANCH

8.5 MI N WHEELER, Jasper, IL

Built 1980 Load: 32.4 t ADT: 300

TR-317A

Good

Over: WOLF CREEK

2.5 MI SW BOGOTA, Jasper, IL

Built 1979 Load: 32.4 t ADT: 125

TR-20

Good

Over: CRABAPPLE CREEK

1.5 SW LATONA, Jasper, IL

Built 1981 Load: 32.4 t ADT: 50

FAS 2710 CH 19

Good

Over: N FORK EMBARRAS RV

5 MI NE YALE, Jasper, IL

Built 1980 Load: 32.4 t ADT: 350

TR-104

Good

Over: MINT CREEK

4.5 MI EAST WHEELER, Jasper, IL

Built 1982 Load: 32.4 t ADT: 35

TR-287

Good

Over: BIG MUDDY CREEK

4MI SW OF LATONA, Jasper, IL

Built 1980 Load: 32.4 t ADT: 100

TR-136

Good

Over: HURRICANE CREEK

3MI SE OF BOGOTA, Jasper, IL

Built 1981 Load: 32.4 t ADT: 50

TR-293

Good

Over: FOX RIVER

4 MI SE NEWTON, Jasper, IL

Built 1981 Load: 32.4 t ADT: 100

TR-53

Good

Over: WOLF CREEK

2 MI SW OF HIDALGO, Jasper, IL

Built 1981 Load: 32.4 t ADT: 75

TR-295

Good

Over: NORTH FORK EMBARRAS

2 MI EAST STE.MARIE, Jasper, IL

Built 1982 Load: 32.4 t ADT: 75

FAS-703 (CH-22)

Good

Over: TRIB HILL CREEK

0.5 MI N GILA, Jasper, IL

Built 1983 Load: 32.4 t ADT: 150

TR-317

Good

Over: BIG MUDDY CREEK

1 MI WEST CIPS LAKE, Jasper, IL

Built 1982 Load: 32.4 t ADT: 150

TR-32

Good

Over: ISLAND CREEK

1.5MI N ISLAND GROVE, Jasper, IL

Built 1982 Load: 32.4 t ADT: 100

TR-357

Good

Over: WOLF CREEK

5 MI SSW BAGOTA, Jasper, IL

Built 1982 Load: 32.4 t ADT: 125

Showing 17,901-17,950 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.