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

BURTONVIEW RD

Fair

Over: LOCAL DRAINAGE

2.5 W .5 N HARTSBURG, Logan, IL

Built 1940 Load: 13.0 t ADT: 450

TR 423 A

Fair

Over: STREAM

5.1 MI SW STEWARDSON, Shelby, IL

Built 1909 Load: 13.0 t ADT: 25

TR 42 A

Fair

Over: STREAM

IN ARMSTRONG, Vermilion, IL

Built 1945 Load: 13.0 t ADT: 200

TELEGRAPH RD

Fair

Over: UNNAMED CREEK

0.7 MI W EDDIE ROAD, Winnebago, IL

Built 1950 Load: 13.0 t ADT: 1,200

PARK ACCESS RD

Fair

Over: HENNEPIN CANAL

.75 MI W OF WYANET, Bureau, IL

Built 1904 Load: 13.3 t ADT: 50

TR 307

Fair

Over: BEAR CREEK

0.5 S MORRISONVILLE, Christian, IL

Built 1924 Load: 13.3 t ADT: 50

TR-33

Fair

Over: PANTHER CREEK

2 MI E HORD, Clay, IL

Built 1960 Load: 13.3 t ADT: 50

EASTHOLME AVE

Fair

Over: CNTRYCLB BR SUGAR CR

0.5 MI NE 9 & 150, McLean, IL

Built 1946 Load: 13.3 t ADT: 125

TR-11 (CLARK RD)

Fair

Over: BR OF ELKHORN CREEK

9 MI NO OF STERLING, Whiteside, IL

Built 1953 Load: 13.3 t ADT: 25

ILL 100

Fair

Over: OTTER CR

S EDGE OF ENION, Fulton, IL

Built 1934 Load: 13.6 t ADT: 550

TR-77

Fair

Over: FR EAST CROOKED CK

2.5 MI W YALE, Jasper, IL

Built 1909 Load: 13.6 t ADT: 50

DENSMORE ROAD

Fair

Over: BLACKBERRY CREEK

2.5 MI E SUGAR GROVE, Kane, IL

Built 1961 Load: 13.6 t ADT: 1,000

IL 176

Fair

Over: BANGS LAKE OUTLET

.8 M E OF IL 59,US12, Lake, IL

Built 1931 Load: 13.6 t ADT: 16,200

TR 207

Fair

Over: LAKE FORK CK TRIB.

2 MI NW LAKE FORK, Logan, IL

Built 1900 Load: 13.6 t ADT: 20

TR 219

Fair

Over: TROUBLESOME CREEK

CTR-10-T5NR2W, McDonough, IL

Built 1959 Load: 13.6 t ADT: 75

FT ARMSTRNG AV, RR

Fair

Over: US67,MISSRVR,L&D15,CPRR

ROCK ISLAND ARSENAL, Rock Island, IL

Built 1896 Load: 13.6 t ADT: 18,000

CH-7 (FAS-1481)

Fair

Over: STREAM

NE-1-T23NR5W, Tazewell, IL

Built 1956 Load: 13.6 t ADT: 1,650

TR 276

Fair

Over: TRIB TO LICK CR

.3 MI EASTJCT CH 20, Union, IL

Built 1987 Load: 13.6 t ADT: 125

TR-72

Fair

Over: JORDAN CREEK

1.5 MI S LANCASTER, Wabash, IL

Built 1957 Load: 13.6 t ADT: 35

CAMPBELL ROAD

Fair

Over: N. BR. PINK CR.

0.7 M E OF CO. LINE, Winnebago, IL

Built 1951 Load: 13.6 t ADT: 50

TR 36

Fair

Over: BUSH CREEK

4.0 MI NE NEOGA, Cumberland, IL

Built 1916 Load: 13.9 t ADT: 25

BARCHARD ROAD

Fair

Over: BRANCH OF OWENS CR

2990N 300E, DeKalb, IL

Built 1950 Load: 13.9 t ADT: 25

FAS-1884

Fair

Over: STINKING CREEK

4.5 MI NW GRAYVILLE, Edwards, IL

Built 1909 Load: 13.9 t ADT: 400

TR-183

Fair

Over: DIETRICH CREEK

1.5 MI SW DIETRICH, Effingham, IL

Built 1909 Load: 13.9 t ADT: 75

TR 107

Fair

Over: TRIB SCAT POINT CR

785E, 2100N, Livingston, IL

Built 1950 Load: 13.9 t ADT: 50

TR 195A

Fair

Over: CREEK

12650E, 1100 N, Livingston, IL

Built 1950 Load: 13.9 t ADT: 50

IL 161 - FAP 805

Fair

Over: W Trib Raccoon Crk

1.4mi E US51 in Centralia, Marion, IL

Built 1930 Load: 13.9 t ADT: 8,550

BUTTONS ROAD

Fair

Over: STREAM

0.8 SE FREEMAN RD, McHenry, IL

Built 1971 Load: 13.9 t ADT: 150

TR 316

Fair

Over: WOLF CREEK

4.5 MI SW STEWARDSON, Shelby, IL

Built 1965 Load: 13.9 t ADT: 50

US 51

Fair

Over: OHIO RIVER

1 MI S CAIRO, Alexander, IL

Built 1937 Load: 14.3 t ADT: 5,700

US 45(FAP 800)

Fair

Over: SALINE BRANCH

N OF FIVE POINTS, Champaign, IL

Built 1936 Load: 14.3 t ADT: 19,200

CH 8(FAS 679)

Fair

Over: SHILOH SPECIAL DRAIN

5 MI E OF BROCTON, Edgar, IL

Built 1955 Load: 14.3 t ADT: 225

TR 153

Fair

Over: WILLOW CREEK

2.2 MI SW OF HORACE, Edgar, IL

Built 1960 Load: 14.3 t ADT: 50

TR 19

Fair

Over: KICKAPOO CK OVERFLOW

2.5 E 1 MI N ATLANTA, Logan, IL

Built 1900 Load: 14.3 t ADT: 50

ALLEY W OF ROSNEY

Fair

Over: CNTRYCLB BR SUGAR CR

0.5 MI NE 150 & 9, McLean, IL

Built 1946 Load: 14.3 t ADT: 75

TR 0086

Fair

Over: MACOUPIN CK

1.5 MI E FARMERSVILL, Montgomery, IL

Built 1900 Load: 14.3 t ADT: 50

FAS-801

Fair

Over: STREAM

E EDGE DUNDAS, Richland, IL

Built 1941 Load: 14.3 t ADT: 725

TR 13

Fair

Over: HERZOG CREEK

3.5 MI NE HOYLETON, Washington, IL

Built 1957 Load: 14.3 t ADT: 50

TR 309A

Fair

Over: FIGLEY CREEK

2.75MI E COLUMBUS, Adams, IL

Built 1993 Load: 14.6 t ADT: 25

TR 329 A

Fair

Over: WILLOW CREEK

3MI S MORRISONVILLE, Christian, IL

Built 1917 Load: 14.6 t ADT: 10

TR 201(1550 N)

Fair

Over: BNSF RR

2 MI N ORION, Henry, IL

Built 1945 Load: 14.6 t ADT: 75

TR 41C

Fair

Over: GOOSEBERRY CREEK

3100 E, 2800 N, Livingston, IL

Built 1965 Load: 14.6 t ADT: 75

ROCKY FORD RD

Fair

Over: LOCAL DRAINAGE

3.5 MI N BROADWELL, Logan, IL

Built 1947 Load: 14.6 t ADT: 150

TR 284

Fair

Over: N.HENDERSON CREEK

NW-13-T13NR1W, Mercer, IL

Built 1960 Load: 14.6 t ADT: 25

CH-54

Fair

Over: UNNAMED CREEK

4 M SW EDGINGTON, Rock Island, IL

Built 1946 Load: 14.6 t ADT: 300

FACTORY ROAD

Fair

Over: BRNCH OF CEDAR CRK

0.5 MI N MCCONNEL RD, Stephenson, IL

Built 1951 Load: 14.6 t ADT: 100

TR 283

Fair

Over: LAKE FORK

3MI N PANA, Christian, IL

Built 1971 Load: 14.9 t ADT: 125

GEORGE ST

Fair

Over: WELLER CR

0.24 M N ILL 58 P5, Cook, IL

Built 1970 Load: 14.9 t ADT: 275

FAS-1805{CH-16}

Fair

Over: EMBARRAS RIVER

4N-21E {SE ST.MARIE}, Jasper, IL

Built 1968 Load: 14.9 t ADT: 725

TR 19B

Fair

Over: TRIB E FORK MAZON R

2950 E, 3100 N, Livingston, IL

Built 1967 Load: 14.9 t ADT: 50

Showing 4,151-4,200 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.