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 895

Fair

Over: BLACKLAND DITCH

2.28 MI N ILL 13, Saline, IL

Built 1950 Load: 22.0 t ADT: 350

TR 103C 11.5E

Fair

Over: NO FORK CLEAR CREEK

1.0 E OF DAWSON, Sangamon, IL

Built 1900 Load: 22.0 t ADT: 50

E. RIVER ROAD

Fair

Over: BRANCH PECATONICA R

3.0 MI E FREEPORT, Stephenson, IL

Built 1937 Load: 22.0 t ADT: 375

LAKE RD

Fair

Over: WADDAMS CR

2.0 MI N LENA, Stephenson, IL

Built 1959 Load: 22.0 t ADT: 475

BROADWAY RD-TR 71A

Fair

Over: MUD CREEK

NW-1-T25NR3W, Tazewell, IL

Built 1967 Load: 22.0 t ADT: 1,150

RED SHALE HILL-TR1

Fair

Over: DILLON CREEK

NE-34-T24NR4W, Tazewell, IL

Built 1962 Load: 22.0 t ADT: 250

STRAUB RD - TR 167

Fair

Over: DILLON CREEK

NE COR-8-T23NR4W, Tazewell, IL

Built 1962 Load: 22.0 t ADT: 50

TR 65

Fair

Over: STREAM

NW-35-T25NR3W, Tazewell, IL

Built 1957 Load: 22.0 t ADT: 50

TR 113

Fair

Over: MOUTRAY SLOUGH

3 MI S WYNOOSE, Wayne, IL

Built 2003 Load: 22.0 t ADT: 10

CAPP ROAD

Fair

Over: JORDAN CREEK

5 MI N. STERLING, Whiteside, IL

Built 1966 Load: 22.0 t ADT: 50

I- 55 SB

Fair

Over: GRANT CREEK

5.6 M S OF US 6, Will, IL

Built 1956 Load: 22.0 t ADT: 24,700

CH 12

Fair

Over: MASTERS CREEK

2 MI. N.W. OF DOVER, Bureau, IL

Built 1952 Load: 22.4 t ADT: 75

TOWNSHIP ROAD 58A

Fair

Over: UNION SPECIAL DITCH

3.5 MI. E. YORKTOWN, Bureau, IL

Built 1940 Load: 22.4 t ADT: 50

TR 193

Fair

Over: EAST BUREAU CR.

0.5 MI. E. OF MALDEN, Bureau, IL

Built 1959 Load: 22.4 t ADT: 100

FAS 579

Fair

Over: MANNEL BRANCH

NWCL ARENZVILLE, Cass, IL

Built 1964 Load: 22.4 t ADT: 1,900

CH 5-FAS 639

Fair

Over: S. FORK SANGAMON R.

2.25 MI N BULPITT, Christian, IL

Built 1953 Load: 22.4 t ADT: 600

CH-9

Fair

Over: CREEK

4 MI E XENIA, Clay, IL

Built 1960 Load: 22.4 t ADT: 150

79TH ST

Fair

Over: FLAG CREEK

0.02 M E WOLF P10, Cook, IL

Built 1946 Load: 22.4 t ADT: 6,300

MS-3000 (LINCOLN S

Fair

Over: WELLER'S DRN DTCH

0.16 M E BUSSE RDP5, Cook, IL

Built 1947 Load: 22.4 t ADT: 2,250

VAN BUREN STREET

Fair

Over: UNION STATION TRACKS

400S 400W TO 500W, Cook, IL

Built 1920 Load: 22.4 t ADT: 6,200

TR-40

Fair

Over: MUDDY CREEK

4 MI N OBLONG, Crawford, IL

Built 1951 Load: 22.4 t ADT: 200

US 150(FAP 332)

Fair

Over: N FORK BROUILLETTS C

N EDGE OF CHRISMAN, Edgar, IL

Built 1954 Load: 22.4 t ADT: 3,500

TR 208

Fair

Over: SNAKE CREEK

1.2 MI NE OF AIRPORT, Edgar, IL

Built 1938 Load: 22.4 t ADT: 25

TR-40

Fair

Over: VILLAGE CREEK

3.5 MI NW ALBION, Edwards, IL

Built 1980 Load: 22.4 t ADT: 50

TR 64A WALL

Fair

Over: STREAM

610N,1700E, Ford, IL

Built 1966 Load: 22.4 t ADT: 75

US 24

Fair

Over: BUCKHEART CREEK

1 MI NE JCT IL 78&24, Fulton, IL

Built 1990 Load: 22.4 t ADT: 2,100

QUARTER RD - TR 44

Fair

Over: SUGAR CREEK

E1/2-18-T4NR1E, Fulton, IL

Built 1963 Load: 22.4 t ADT: 75

TR 256

Fair

Over: BEAR CREEK

6.5 M NW GREENFIELD, Greene, IL

Built 1974 Load: 22.4 t ADT: 225

TR 356

Fair

Over: BRONSON CREEK

1.5 MI NW PLYMOUTH, Hancock, IL

Built 1959 Load: 22.4 t ADT: 100

HANSON RD

Fair

Over: AUX SABLE CK

.5 MI N OF HOLT RD, Kendall, IL

Built 1972 Load: 22.4 t ADT: 100

CH 29 /E.15TH RD

Fair

Over: VERMILION RIVER

E 15TH,N 1610, LaSalle, IL

Built 1968 Load: 22.4 t ADT: 625

INDIAN HEAD ROAD

Fair

Over: BR OF GREEN RIVER

0.6 M N TAMPICO ROAD, Lee, IL

Built 1968 Load: 22.4 t ADT: 250

TR 218

Fair

Over: LOCAL DRAINAGE

3 MI E LAKE FORK, Logan, IL

Built 1962 Load: 22.4 t ADT: 100

TR 83

Fair

Over: HARDIN DITCH

3 MI NNW EASTON, Mason, IL

Built 1976 Load: 22.4 t ADT: 50

TR 271

Fair

Over: CAMP CREEK

CTR-22-T5NR1W, McDonough, IL

Built 1957 Load: 22.4 t ADT: 25

COTTAGE AVE/FAU638

Fair

Over: SUGAR CREEK

1.5 MI NW 51 & 9, McLean, IL

Built 1968 Load: 22.4 t ADT: 3,250

FOWLER RD

Fair

Over: BR. KYTE CREEK

1.5 N.W. FLAGG CENTE, Ogle, IL

Built 1971 Load: 22.4 t ADT: 175

RAZORVILLE ROAD

Fair

Over: UNNAMED CR

3.0 MI SW OF BYRON, Ogle, IL

Built 1967 Load: 22.4 t ADT: 175

ANDERSON RD

Fair

Over: BR KICKAPOO CREEK

SE-14-AKRON, Peoria, IL

Built 1964 Load: 22.4 t ADT: 75

HICKS HOLLOW RD

Fair

Over: KICKAPOO CREEK

SW-35-T11NR7E, Peoria, IL

Built 1969 Load: 22.4 t ADT: 100

TR 98

Fair

Over: HADLEY CR TRIBUTARY

0.5 MI S BARRY, Pike, IL

Built 1900 Load: 22.4 t ADT: 50

TR 116

Fair

Over: HORTON CR TRIBUTARY

2.75 MI NW ROCKPORT, Pike, IL

Built 1900 Load: 22.4 t ADT: 25

TR 258

Fair

Over: BAY CREEK TRIB

1 M N TR 455, Pike, IL

Built 1955 Load: 22.4 t ADT: 50

TR 224

Fair

Over: TRIB TO PLUM CREEK

1 MI S TILDEN, Randolph, IL

Built 1965 Load: 22.4 t ADT: 225

TR 97 A

Fair

Over: SAND CREEK

4.1 MI NW WINDSOR, Shelby, IL

Built 1969 Load: 22.4 t ADT: 75

IL 3 NB Ramp "F" P

Fair

Over: Abandoned Southern RR

ABUT F-1 TO PIER P-1, St. Clair, IL

Built 1971 Load: 22.4 t ADT: 23,900

WEST LILY CREEK RO

Fair

Over: BR OF PRESTON CREEK

0.7 MI S OF US RT 20, Stephenson, IL

Built 1969 Load: 22.4 t ADT: 750

TR 60

Fair

Over: WHISKY CREEK

2 MI E RANKIN, Vermilion, IL

Built 1970 Load: 22.4 t ADT: 50

TR 58

Fair

Over: CEDAR CR

N.CTR-26-T12NR3W, Warren, IL

Built 1974 Load: 22.4 t ADT: 50

HOLLY ROAD

Fair

Over: BR OF CATTAIL CR

2 MI SE FULTON, Whiteside, IL

Built 1950 Load: 22.4 t ADT: 850

Showing 4,851-4,900 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.