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

FAU 9457 MCLEANSBO

Good

Over: MID FK BIG MUDDY TRB

S MCLEANSBORO ST, Franklin, IL

Built 2003 Load: 32.4 t ADT: 1,100

TR12 SQUARE DEAL R

Good

Over: FOX LAKE TRIB

5 MI S OF ILL 14, Franklin, IL

Built 2004 Load: 32.4 t ADT: 25

TR 105 MEADOWBROOK

Good

Over: LITTLE INDIAN CR TRB

MEADOWBROOK LN, Franklin, IL

Built 2004 Load: 32.4 t ADT: 25

TR 222

Good

Over: POND CREEK TRIB

OLD MARION RD, Franklin, IL

Built 2004 Load: 32.4 t ADT: 900

TR 369

Good

Over: DRAINAGE DITCH

RUSSELL ROAD, Franklin, IL

Built 2004 Load: 32.4 t

FAS 1887

Good

Over: SALINE RIVER TRIB

S THOMPSONVILLE ROAD, Franklin, IL

Built 2004 Load: 32.4 t ADT: 700

NEW LAKE RD

Good

Over: WEST FRANKFORT LAKE

NEW LAKE ROAD, Franklin, IL

Built 2005 Load: 32.4 t ADT: 250

FAS 1881

Good

Over: TRIB TO ANDY CREEK

PARK STREET, Franklin, IL

Built 2005 Load: 32.4 t ADT: 1,350

TR 242

Good

Over: LAKE MOSES

SAM PYLE BRIDGE ROAD, Franklin, IL

Built 2005 Load: 32.4 t ADT: 550

TR 164B

Good

Over: BIG MUDDY RIVER TRIB

EAKIN GRAVE ROAD, Franklin, IL

Built 2005 Load: 32.4 t ADT: 125

TR 154B

Good

Over: TRIB TO GREEN RIVER

JACKANICZ ROAD, Franklin, IL

Built 2005 Load: 32.4 t ADT: 100

BEAR POINT ROAD

Good

Over: LITTLE INDIAN CR TRB

1350N 425E, Franklin, IL

Built 2006 Load: 32.4 t ADT: 125

POPLAR STREET

Good

Over: LITTLE MUDDY TRIB

700N 250E, Franklin, IL

Built 2007 Load: 32.4 t ADT: 150

BAVES ROAD

Good

Over: WEBBS HILL BRANCH

1200N 1800E, Franklin, IL

Built 2006 Load: 32.4 t ADT: 50

BLACKBIRD ROAD

Good

Over: PRAIRIE CREEK TRIB

350N 450E, Franklin, IL

Built 2007 Load: 32.4 t ADT: 75

BOLEN STORE ROAD

Good

Over: EWING CREEK TRIB

725N 2150E, Franklin, IL

Built 2006 Load: 32.4 t ADT: 75

SESSER LAKE RD

Good

Over: TRIB TO SANDUSKY CRK

2.5 MI SE OF SESSER, Franklin, IL

Built 2008 Load: 32.4 t ADT: 350

BENTON FIELD RD

Good

Over: DRAINAGE DITCH

1.0MI S WEST CITY, Franklin, IL

Built 2008 Load: 32.4 t ADT: 250

POST OFFICE RD

Good

Over: TRIB TO CANE CREEK

900N 250E, Franklin, IL

Built 2008 Load: 32.4 t ADT: 150

KING RD

Good

Over: TRIB T'VILLE RES.

.5MI S T'VILLE LK RD, Franklin, IL

Built 2008 Load: 32.4 t ADT: 10

BASELINE RD

Good

Over: TRIB TO EWING CREEK

.5 MI S FOUR MILE LN, Franklin, IL

Built 2008 Load: 32.4 t ADT: 250

FRISCO RD

Good

Over: TAYLOR BRANCH

1.25 MI N EWING RD, Franklin, IL

Built 2010 Load: 32.4 t ADT: 175

LINN RD

Good

Over: TRIB TO BIG MUDDY

0.30MI E ST JOSEPH R, Franklin, IL

Built 2010 Load: 32.4 t ADT: 150

BLACKBIRD RD

Good

Over: TRIB TO PRAIRIE CR

0.88MI S RENFRO LAKE, Franklin, IL

Built 2010 Load: 32.4 t ADT: 50

TIMOTHY LN - TR 27

Good

Over: LITTLE BESSIE CK TRB

N HANAFORD, Franklin, IL

Built 2012 Load: 32.4 t ADT: 75

TR 308

Good

Over: EWING CREEK

0.5 MI NORTH OF IL 3, Franklin, IL

Built 2013 Load: 32.4 t ADT: 25

ESPY STREET

Good

Over: TRIB LITTLE INDIAN C

0.5 MI W. OF SESSER, Franklin, IL

Built 2012 Load: 32.4 t ADT: 50

EASTERN ROAD

Good

Over: EWING CREEK

HAMILTON CO LN, Franklin, IL

Built 2012 Load: 32.4 t ADT: 25

TR 22

Good

Over: PRAIRIE CREEK

0.1MI S YELLOW BANKS, Franklin, IL

Built 2013 Load: 32.4 t ADT: 100

GREEN MEADOW RD

Good

Over: EWING CREEK

0.6MI S OF UNITY RD, Franklin, IL

Built 2016 Load: 32.4 t ADT: 10

TR 164B

Good

Over: TRIB TO BIG MUDDY

500' So of SHORT CR, Franklin, IL

Built 2015 Load: 32.4 t ADT: 75

TR 164

Good

Over: TRIB BIG MUDDY

0.25 MI No of YELLOW, Franklin, IL

Built 2015 Load: 32.4 t ADT: 100

TR 274

Good

Over: TRIB TO GUN CR

500' So of WILLIAMS, Franklin, IL

Built 2015 Load: 32.4 t ADT: 25

KNOB PRAIRIE RD

Good

Over: UNNAMED CREEK

4.6 Mi S. of Ill. 14, Franklin, IL

Built 2016 Load: 32.4 t ADT: 50

CS 7080

Good

Over: BENTON LAKE

CS 7080, Franklin, IL

Built 1995 Load: 32.4 t ADT: 150

E TAYLOR STREET

Good

Over: TRIB OF BIG MUDDY RV

MIRROR LAKE SUBDVSN, Franklin, IL

Built 1997 Load: 32.4 t ADT: 200

MAIN STREET

Good

Over: UNNAMED CREEK

.25 MILES S. IL 149, Franklin, IL

Built 2013 Load: 32.4 t ADT: 175

FAS 450-CH 20

Good

Over: HORSESHOE LAKE

SW-12-TNR1E, Fulton, IL

Built 1999 Load: 32.4 t ADT: 150

FAU 6889-CH 5

Good

Over: BIG CREEK

W 1/2-34-T7NR4E, Fulton, IL

Built 1995 Load: 32.4 t ADT: 2,100

FAS 460-CH 14

Good

Over: STUART CREEK

NE-23-T5NR2E, Fulton, IL

Built 1997 Load: 32.4 t ADT: 200

CH 26

Good

Over: Trib to Spoon River

SE-30-T8NR2E, Fulton, IL

Built 2013 Load: 32.4 t ADT: 50

MANLEY RD (TR 18)

Good

Over: BRANCH OF GALLETT CR

SE-31-T8NR1E, Fulton, IL

Built 2007 Load: 32.4 t ADT: 50

TR 770

Good

Over: SWEGLE CREEK

S.CTR-11-T8NR2E, Fulton, IL

Built 2008 Load: 32.4 t ADT: 75

BARNS SCHOOL RD-TR

Good

Over: S FK SHAW CR

NE-8-T6NR1E, Fulton, IL

Built 2001 Load: 32.4 t ADT: 25

BARNS SCHOOL RD-TR

Good

Over: S FK SHAW CR

NE-8-T6NR1E, Fulton, IL

Built 2001 Load: 32.4 t ADT: 25

TR 523

Good

Over: Branch of Sugar Crk

W.CTR-7-T3NR1E, Fulton, IL

Built 2002 Load: 32.4 t ADT: 25

ELLIS RD = TR 73

Good

Over: STREAM

NE-25-T8NR1E, Fulton, IL

Built 2003 Load: 32.4 t ADT: 25

TARTERS FERRY-TR 1

Good

Over: FRANCIS CREEK

NE-24-T5NR1E, Fulton, IL

Built 1992 Load: 32.4 t ADT: 25

CYPRESS RD - TR 11

Good

Over: COPPERAS CREEK

NE-17-T7NR5E, Fulton, IL

Built 1988 Load: 32.4 t ADT: 75

CYPRESS RD - TR 11

Good

Over: COPPERAS CREEK

NE SEC 16 T7N R5E, Fulton, IL

Built 1995 Load: 32.4 t ADT: 75

Showing 17,151-17,200 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.