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

INTERMODEL DR

Good

Over: KYTE RIVER

S SIDE OF ROCHELLE, Ogle, IL

Built 2003 Load: 32.4 t ADT: 1,150

INTERMODAL DR.

Good

Over: FLAGG TRIB

SW SIDE OF ROCHELLE, Ogle, IL

Built 2003 Load: 32.4 t ADT: 450

School Avenue

Good

Over: Kyte Creek

City of Rochelle, Ogle, IL

Built 2014 Load: 32.4 t ADT: 950

SMITHVILLE EAST RO

Good

Over: BR LA MARSH CREEK

SE1/4-19-LIMESTONE, Peoria, IL

Built 1967 Load: 32.4 t ADT: 1,500

SPOON RIVER ROAD

Good

Over: SPOON RIVER

NE1/4-7-MILLBROOK, Peoria, IL

Built 1977 Load: 32.4 t ADT: 50

PARKS SCH RD

Good

Over: BRANCH KICKAPOO CR

CTR-3-JUBILEE TWP, Peoria, IL

Built 1990 Load: 32.4 t ADT: 425

SMITHVILLE WEST RD

Good

Over: BR COPPERAS CREEK

SE1/4-21-LOGAN TWP, Peoria, IL

Built 2007 Load: 32.4 t ADT: 800

PRINCEVILLE JUBILE

Good

Over: BR KICKAPOO CREEK

SE-2-T10NR6E, Peoria, IL

Built 1996 Load: 32.4 t ADT: 1,700

SHISSLER RD

Good

Over: WALNUT CREEK

SW 1/4-23-BRIMFIELD, Peoria, IL

Built 2004 Load: 32.4 t ADT: 675

TRIVOLI RD

Good

Over: BR COPPERAS CREEK RD

NW1/4 6 TIMBER TWP, Peoria, IL

Built 2008 Load: 32.4 t ADT: 250

ELMORE RD

Good

Over: FRENCH CREEK

NW1/4-5-BRIMFIELD, Peoria, IL

Built 2011 Load: 32.4 t ADT: 250

BOY SCOUT CAMP ROA

Good

Over: DICKINSON RUN

SW SE1/4 SEC 15 T10N, Peoria, IL

Built 2016 Load: 32.4 t ADT: 75

TR37 (Cloverdale R

Good

Over: Hallock Creek

E.CTR-26-Hallock, Peoria, IL

Built 2015 Load: 32.4 t ADT: 750

WOERTZ STREET

Good

Over: BR PRINCE RUN

CENT 18 AKRON TWP, Peoria, IL

Built 1973 Load: 32.4 t ADT: 125

HICKS HOLLOW ROAD

Good

Over: C&NW RR (175639P)

SW-36-T11NR7E, Peoria, IL

Built 1997 Load: 32.4 t ADT: 100

MAHER ROAD

Good

Over: BRANCH SPOON RIVER

NW-6-T11NR6E, Peoria, IL

Built 2004 Load: 32.4 t ADT: 50

ELLIOT ROAD

Good

Over: BR JUBILEE CREEK

SW-34-T11NR6E, Peoria, IL

Built 1996 Load: 32.4 t ADT: 75

MENDELL RD - TR 13

Good

Over: PRINCE RUN

NE 1/4 13 T11NR6E, Peoria, IL

Built 2013 Load: 32.4 t ADT: 175

W. SPOON RIVER RD

Good

Over: SPOON RIVER

NW 1/4 7 T11NR5E, Peoria, IL

Built 1988 Load: 32.4 t ADT: 75

LORANCE RD

Good

Over: BR.SPOON RIVER

SE 8 T11NR5E, Peoria, IL

Built 2001 Load: 32.4 t ADT: 25

WHITTAKER ROAD

Good

Over: BR FRENCH CREEK

NW1/4 35 T11NR5E, Peoria, IL

Built 2000 Load: 32.4 t ADT: 10

SCOTLAND PRAIRIE

Good

Over: FRENCH CR

SE QTR 26 MILLBROOK, Peoria, IL

Built 2000 Load: 32.4 t ADT: 50

MCCLELLAN RD

Good

Over: WALNUT CREEK

NWCOR,SW-33-T10NR5E, Peoria, IL

Built 1995 Load: 32.4 t ADT: 25

CLAYBAUGH ROAD

Good

Over: W BR OF WALNUT RUN

NE-34-T10NR5E, Peoria, IL

Built 2004 Load: 32.4 t ADT: 50

CEDAR BLUFF ROAD

Good

Over: E BR SWAB RUN

WLINENW1/4 31T10NR5E, Peoria, IL

Built 2007 Load: 32.4 t ADT: 25

$1000 ROAD

Good

Over: BR OF KICKAPOO CREEK

WLINESW1/4 21T10NR6E, Peoria, IL

Built 2004 Load: 32.4 t ADT: 150

SCHLINK ROAD

Good

Over: BR KICKAPOO CREEK

SLINESE1/4 33T10NR6E, Peoria, IL

Built 1999 Load: 32.4 t ADT: 250

TR 99 - CLINE RD

Good

Over: KICKAPOO CREEK

SE 1/4-12-T10N R7E, Peoria, IL

Built 1990 Load: 32.4 t ADT: 50

POTTSTOWN ROAD

Good

Over: NORWOOD CREEK

CENT.NE1/4 34T9NR7E, Peoria, IL

Built 1984 Load: 32.4 t ADT: 650

POWDER MILL RD

Good

Over: BR KICKAPOO CK

N LINESW1/4 19T9NR7E, Peoria, IL

Built 2009 Load: 32.4 t ADT: 150

TR173 (Pottstown R

Good

Over: Kickapoo Creek

NLINE-NE1/4-33T9NR7E, Peoria, IL

Built 2015 Load: 32.4 t ADT: 100

KRAMM ROAD

Good

Over: KICKAPOO CREEK

WLINESE1/4 14 TNR6E, Peoria, IL

Built 1998 Load: 32.4 t ADT: 225

DOREMBUS ROAD

Good

Over: NIXON RUN

NLINE SE1/4 31T9NR6E, Peoria, IL

Built 2006 Load: 32.4 t ADT: 25

DOG TOWN LANE

Good

Over: CLARK CREEK

SW-26-T9NR5E, Peoria, IL

Built 1989 Load: 32.4 t ADT: 50

BELL SCHOOL RD

Good

Over: TIBER CREEK

SW-3-T9NR5E, Peoria, IL

Built 1990 Load: 32.4 t ADT: 50

MEEHAN ROAD

Good

Over: CLARK BRANCH

NLINE NE1/4 14T9NR5E, Peoria, IL

Built 1992 Load: 32.4 t ADT: 50

QUARRY ROAD

Good

Over: CLARK BR KICKAPOO CR

NLINE SE1/4 34T9NR5E, Peoria, IL

Built 2000 Load: 32.4 t ADT: 75

PEABODY ROAD

Good

Over: W FORK KICKAPOO CR

NE-19-T9NR5E, Peoria, IL

Built 2007 Load: 32.4 t ADT: 50

MCDONALD RD - TR 2

Good

Over: E BR COPPERAS CREEK

NE-COR-30-T8NR6E, Peoria, IL

Built 1989 Load: 32.4 t ADT: 50

MC CULLOUGH ROAD

Good

Over: W BR. LA MARSH CREEK

SW1/4 8 HOLLIS TWP, Peoria, IL

Built 2010 Load: 32.4 t ADT: 225

TRIVOLI ROAD - TR

Good

Over: STREAM

WLINE SW1/4 20T7NR6E, Peoria, IL

Built 1968 Load: 32.4 t ADT: 250

Alta Rd/FAU 6641

Good

Over: Trib to Kickapoo Crk

SWCOR-SW-30-Medina, Peoria, IL

Built 2013 Load: 32.4 t ADT: 5,550

NEBRASKA AVE.

Good

Over: DRY RUN CREEK

1/4 Mi. N. of I-74, Peoria, IL

Built 2015 Load: 32.4 t ADT: 3,950

FAU-6595

Good

Over: Dry Run Creek

0.10 Mi. N. of I-74, Peoria, IL

Built 2016 Load: 32.4 t ADT: 2,975

PARK ROAD

Good

Over: DRY RUN CR

BRADLEY PARK, Peoria, IL

Built 2009 Load: 32.4 t ADT: 75

JUBILEE PARK RD

Good

Over: JUBILEE CREEK

JUBILEE STATE PARK, Peoria, IL

Built 1989 Load: 32.4 t ADT: 150

TR 191

Good

Over: BRANCH TO BEAUCOUP

2 MI SE PINKNEYVILLE, Perry, IL

Built 1980 Load: 32.4 t ADT: 100

TR 52

Good

Over: MUD CREEK

1 MI N SWANWICK, Perry, IL

Built 1980 Load: 32.4 t ADT: 25

TR 167

Good

Over: HOG CREEK

1.5 MILES E OF CH 20, Perry, IL

Built 1981 Load: 32.4 t ADT: 10

TR 138

Good

Over: SWANWICK CREEK

2 MI S FAS1822, Perry, IL

Built 1983 Load: 32.4 t ADT: 50

Showing 20,001-20,050 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.