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

FAS-1695 (CH-13)

Fair

Over: N BR HUDSON CREEK

2 MI SW HUTSONVILLE, Crawford, IL

Built 1937 Load: 24.3 t ADT: 475

FAS-1695

Fair

Over: CREEK

1 MI NE EATON, Crawford, IL

Built 1909 Load: 24.3 t ADT: 425

TR-71

Fair

Over: CREEK

1 MI S HUTSONVILLE, Crawford, IL

Built 1909 Load: 24.3 t ADT: 100

TR-221

Fair

Over: TRIB BIG CREEK

3.5 MI S OBLONG, Crawford, IL

Built 1909 Load: 24.3 t ADT: 50

TR-236

Fair

Over: SUGAR CREEK

1 MI W TRIMBLE, Crawford, IL

Built 1976 Load: 24.3 t ADT: 50

FAS-1701

Fair

Over: CREEK

3 MI SW ROBINSON, Crawford, IL

Built 1933 Load: 24.3 t ADT: 800

ROSE STREET

Fair

Over: CREEK

HUTSONVILLE, Crawford, IL

Built 1959 Load: 24.3 t ADT: 100

HOWARD STREET

Fair

Over: CREEK

ROBINSON, Crawford, IL

Built 1909 Load: 24.3 t ADT: 1,050

TR 33 B

Fair

Over: OPOSSUM CREEK

2.0 MI SE DIONA, Cumberland, IL

Built 1965 Load: 24.3 t ADT: 125

TR 158

Fair

Over: BRUCE CREEK

2 MI SE OF JEWETT, Cumberland, IL

Built 1959 Load: 24.3 t ADT: 100

TR 122

Fair

Over: STREAM

3 MI N WAPELLA, De Witt, IL

Built 1957 Load: 24.3 t ADT: 50

TR 1(MACON CO)

Fair

Over: STREAM

4 MI SE OF KENNY, De Witt, IL

Built 1955 Load: 24.3 t ADT: 25

TR 119

Fair

Over: STREAM

2 MI E OF BIRKBECK, De Witt, IL

Built 1968 Load: 24.3 t ADT: 275

HAUMESSER RD

Fair

Over: KISHWAUKEE RV

1645N 400E, DeKalb, IL

Built 1968 Load: 24.3 t ADT: 10

SHABBONA GROVE RD

Fair

Over: BIG INDIAN CREEK

700N 495E, DeKalb, IL

Built 1956 Load: 24.3 t ADT: 375

LASHER ROAD

Fair

Over: BATTLE CREEK

1150N 1675E, DeKalb, IL

Built 1972 Load: 24.3 t ADT: 50

HINCKLEY RD

Fair

Over: W BR BIG ROCK CREEK

1015N 1600E, DeKalb, IL

Built 1963 Load: 24.3 t ADT: 1,100

CH-18

Fair

Over: Drainage Ditch

0.4 MI W OF MURDOCK, Douglas, IL

Built 1929 Load: 24.3 t ADT: 200

TR 161

Fair

Over: DRAINAGE DITCH

0.8 MI NW HINDSBORO, Douglas, IL

Built 1984 Load: 24.3 t ADT: 125

CH 8(FAS 679)

Fair

Over: BROUILLETTS CREEK

2 MI E OF IL 1, Edgar, IL

Built 1965 Load: 24.3 t ADT: 250

CH 15(FAS 685)

Fair

Over: BIG CREEK

4.6 MI S OF IL 16, Edgar, IL

Built 1958 Load: 24.3 t ADT: 150

TR 235A

Fair

Over: EAST DONICA CREEK

3 MI N KANSAS E .25, Edgar, IL

Built 1968 Load: 24.3 t ADT: 50

CH 1(FAS 678)

Fair

Over: COAL CREEK

1.5 MI N OF US 150, Edgar, IL

Built 1947 Load: 24.3 t ADT: 675

CH 20(FAS 686)

Fair

Over: STREAM

3.8 MI S GRANDVIEW, Edgar, IL

Built 1940 Load: 24.3 t ADT: 375

TR 117

Fair

Over: STREAM

4.5 MI S SCOTTLAND, Edgar, IL

Built 1940 Load: 24.3 t ADT: 75

TR 110

Fair

Over: DRAINAGE DITCH #7

2 M E .25 M N REDMON, Edgar, IL

Built 1958 Load: 24.3 t ADT: 50

TR 195 B

Fair

Over: DRAINAGE DITCH #7

2.6 MI E OF REDMON, Edgar, IL

Built 1936 Load: 24.3 t ADT: 350

TR 220

Fair

Over: S BRANCH CLEAR CREEK

2 MI S OF NEVINS, Edgar, IL

Built 1950 Load: 24.3 t ADT: 50

TR 50

Fair

Over: DRAINAGE DITCH

1 M E BROCTON 1.25S, Edgar, IL

Built 1920 Load: 24.3 t ADT: 50

TR 247

Fair

Over: STREAM

1 MI NW OF HUNTER, Edgar, IL

Built 1940 Load: 24.3 t ADT: 50

TR 327

Fair

Over: STREAM

0.1 MI E OF INCLOSE, Edgar, IL

Built 1926 Load: 24.3 t ADT: 50

TR 363

Fair

Over: STREAM

4 M S KANSAS E .25 M, Edgar, IL

Built 1926 Load: 24.3 t ADT: 50

TR 133 A

Fair

Over: SHILOH DRAIN DITCH 3

1 MI SW OF GARLAND, Edgar, IL

Built 1968 Load: 24.3 t ADT: 50

TR 237

Fair

Over: STREAM

1.8 MI W VERMILION, Edgar, IL

Built 1900 Load: 24.3 t ADT: 350

TR 23

Fair

Over: STREAM

3.5 MI N OF HUME, Edgar, IL

Built 1940 Load: 24.3 t ADT: 50

FAS-2815

Fair

Over: INDIAN CREEK

1 MI W BONE GAP, Edwards, IL

Built 1938 Load: 24.3 t ADT: 350

FAS-1884

Fair

Over: TRIB BUTTER CREEK

2 MI S ALBION, Edwards, IL

Built 1950 Load: 24.3 t ADT: 650

FAS-1710 (CH-24)

Fair

Over: FULFER CREEK

2.5 MI N MASON, Effingham, IL

Built 1968 Load: 24.3 t ADT: 375

TR-4

Fair

Over: LITTLE MOCCASIN CK

1.5 MI W MOCCASIN, Effingham, IL

Built 1909 Load: 24.3 t ADT: 125

TR-300

Fair

Over: LITTLE BISHOP CREEK

1 MI SE ELLIOTSTOWN, Effingham, IL

Built 1909 Load: 24.3 t ADT: 100

TR-14

Fair

Over: LITTLE MOCCASIN CK

1 MI W MOCCASIN, Effingham, IL

Built 1909 Load: 24.3 t ADT: 50

01900 VIRGINIA ST

Fair

Over: DIETERICH CREEK

DIETERICH, Effingham, IL

Built 1970 Load: 24.3 t ADT: 150

FAS-715

Fair

Over: SANDY RUN

2 MI S BROWNSTOWN, Fayette, IL

Built 1934 Load: 24.3 t ADT: 375

TR-96

Fair

Over: MAGGOT CREEK

1.5 MI E CARLYLE LK, Fayette, IL

Built 1965 Load: 24.3 t ADT: 50

TR-130

Fair

Over: BEAR CREEK

E CARLYLE GM MGMT AR, Fayette, IL

Built 1930 Load: 24.3 t ADT: 50

TR-272

Fair

Over: HICKORY CREEK

3 MI SE VANDALIA, Fayette, IL

Built 1966 Load: 24.3 t ADT: 300

TR-279

Fair

Over: BEAR CREEK

2.5 MI NW CORRECT CN, Fayette, IL

Built 1935 Load: 24.3 t ADT: 75

TR-416

Fair

Over: TRIB LITTLE HICKORY

2.5 MI NW ST PETER, Fayette, IL

Built 1925 Load: 24.3 t ADT: 50

TR-491

Fair

Over: TRIB LITTLE HICKORY

5 MI WNW ST PETER, Fayette, IL

Built 1940 Load: 24.3 t ADT: 75

TR-499

Fair

Over: TRIB LITTLE HICKORY

2 MI NW ST PETER, Fayette, IL

Built 1930 Load: 24.3 t ADT: 50

Showing 5,251-5,300 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.