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

TR 241

Good

Over: TRIB INDIAN CREEK

2010E 510N, Livingston, IL

Built 2006 Load: 32.4 t ADT: 50

TR 137

Good

Over: SCATTERING POINT

430 E, 1600 N, Livingston, IL

Built 2006 Load: 32.4 t ADT: 75

TR 276B

Good

Over: TR N FORK VERMILLION

980 N, 3400 E, Livingston, IL

Built 2006 Load: 32.4 t ADT: 50

TR 40

Good

Over: TRIB VERMILLION R

3180 N, 675 E, Livingston, IL

Built 2007 Load: 32.4 t ADT: 350

TR 56B

Good

Over: TRIB PIKE CREEK

1195 N, 900 E, Livingston, IL

Built 2007 Load: 32.4 t ADT: 25

TR 134B

Good

Over: DEER CREEK

2310 N, 1700 E, Livingston, IL

Built 2008 Load: 32.4 t ADT: 50

TR 134A

Good

Over: NORTH CREEK

16486E, 1860N, Livingston, IL

Built 2006 Load: 32.4 t ADT: 75

TR 78

Good

Over: PIKE CREEK

1275 N, 1100 E, Livingston, IL

Built 2010 Load: 32.4 t ADT: 125

TR 119 1900 N

Good

Over: TRIB SHORT POINT CR

395 E 1900 N, Livingston, IL

Built 2013 Load: 32.4 t ADT: 275

TR 18 400E

Good

Over: TRIB SHORT POINT CR

1894 N, 400 E, Livingston, IL

Built 2013 Load: 32.4 t ADT: 600

TR 84

Good

Over: TRIB VERMILLION R

2995 N, 1100 E, Livingston, IL

Built 2008 Load: 32.4 t ADT: 100

2800 N TR 41 D

Good

Over: W FORK MAZON

1950 E 2800 N, Livingston, IL

Built 2012 Load: 32.4 t ADT: 50

TR 207A

Good

Over: TRIB S FORK VERM RIV

2080 E 1000 N, Livingston, IL

Built 2012 Load: 32.4 t ADT: 425

TR 91C 2300N

Good

Over: E FORK MAZON R

2845 E, 2300 N, Livingston, IL

Built 2013 Load: 32.4 t ADT: 75

TR 137

Good

Over: Morehouse Creek

3 mi. SW of Graymont, Livingston, IL

Built 2014 Load: 32.4 t ADT: 75

TR-141 (1600N)

Good

Over: Five Mile Creek

2685 E, 1600 N, Livingston, IL

Built 2016 Load: 32.4 t ADT: 50

TR 207A

Good

Over: TRIB N FK VERMILLION

3213E 1000N, Livingston, IL

Built 2007 Load: 32.4 t ADT: 50

TR 119

Good

Over: TRIB SCATTERING PT

785E 1900N, Livingston, IL

Built 2010 Load: 32.4 t ADT: 275

TR 47A

Good

Over: BROUGHTON CREEK

3408 E, 2700 N, Livingston, IL

Built 2010 Load: 32.4 t ADT: 75

TR 169

Good

Over: PIKE CREEK

1120E 1300 N, Livingston, IL

Built 2012 Load: 32.4 t ADT: 25

TR 248A

Good

Over: S FORK VERMILION RIV

5600 N 3000 E, Livingston, IL

Built 2013 Load: 32.4 t ADT: 50

TR 246

Good

Over: Indian Creek

30N. 2900, Livingston, IL

Built 2015 Load: 32.4 t ADT: 50

TR 54 800E

Good

Over: TRIB VERMILION RIVER

3235 N 800 E, Livingston, IL

Built 2013 Load: 32.4 t ADT: 50

TR-81

Good

Over: Broughton Creek

3462 E. , 2390 N., Livingston, IL

Built 2017 Load: 32.4 t ADT: 20

TR 56B

Good

Over: Trib to Pike Creek

2.1 mi. NW of Chenoa, Livingston, IL

Built 2014 Load: 32.4 t ADT: 25

TR 29 3000 N

Good

Over: TRIB W FORD MAZON RI

2365 E, 3000 N, Livingston, IL

Built 2013 Load: 32.4 t ADT: 75

TR 111

Good

Over: Drain Ditch

2000N 180E., Livingston, IL

Built 2014 Load: 32.4 t ADT: 50

TR 145

Good

Over: Pike Creek

1180 E 1500N, Livingston, IL

Built 2015 Load: 32.4 t ADT: 75

TR 61

Good

Over: Diamond Creek

345E 2550 N, Livingston, IL

Built 2015 Load: 32.4 t ADT: 275

TR-243A

Good

Over: S. Fork Vermillion

3117E., 500N, Livingston, IL

Built 2016 Load: 32.4 t ADT: 150

TR-209

Good

Over: Rooks Creek

1305 E, 950 N, Livingston, IL

Built 2016 Load: 32.4 t ADT: 75

TR 1E

Good

Over: West Fork Mazon Rive

2335 E 3300 N, Livingston, IL

Built 2015 Load: 32.4 t ADT: 50

TR-121

Good

Over: Felky Slough

2359 E, 1900 N, Livingston, IL

Built 2017 Load: 32.4 t ADT: 25

TR 31

Good

Over: Murry Ditch

780 E, 2950, Livingston, IL

Built 2015 Load: 32.4 t ADT: 150

TR-19C

Good

Over: Gooseberry Creek

2610 E, 3100 N, Livingston, IL

Built 2018 Load: 32.4 t ADT: 675

PINE ST.

Good

Over: DRAINAGE DITCH

N SIDE CHATSWORTH, Livingston, IL

Built 1988 Load: 32.4 t ADT: 350

FAS 1362 CH 8

Good

Over: TRIB E BR PANTHER CR

01E,1200N, Livingston, IL

Built 1991 Load: 32.4 t ADT: 300

FAS 473 (CH 22)

Good

Over: UNNAMED STREAM

200N, 1885E, Livingston, IL

Built 2002 Load: 32.4 t ADT: 150

FAS 342 CH 3

Good

Over: STREAM

445N 3350E, Livingston, IL

Built 2008 Load: 32.4 t ADT: 375

FAS-348 (CH-1)

Good

Over: Gooseberry Crk Trib

3105E,2700N., Livingston, IL

Built 2016 Load: 32.4 t ADT: 300

TR 157

Good

Over: CREEK

280 E, 1400 N, Livingston, IL

Built 1979 Load: 32.4 t ADT: 75

TR 10B

Good

Over: CREEK

1840 N, 200 E, Livingston, IL

Built 1979 Load: 32.4 t ADT: 50

FAU 6340

Good

Over: NORTH DITCH

1680 E, 2000 N, Livingston, IL

Built 1982 Load: 32.4 t ADT: 325

TR 118

Good

Over: DRAINAGE DITCH

2180 N, 1400 E, Livingston, IL

Built 1983 Load: 32.4 t ADT: 50

TR 269A

Good

Over: WATERWAY

2350 E, 100 N, Livingston, IL

Built 1983 Load: 32.4 t ADT: 25

TR 10B

Good

Over: TRIB TO SHORT PT CR

1940 N, 200 E, Livingston, IL

Built 1983 Load: 32.4 t ADT: 25

TR 4

Good

Over: MOON CREEK

3050 N, 100 E, Livingston, IL

Built 1985 Load: 32.4 t ADT: 75

TR 69

Good

Over: TRIB W FK MAZON R

2320 E, 2500 N, Livingston, IL

Built 1985 Load: 32.4 t ADT: 100

TR 84

Good

Over: TRIB TO MUD CREEK

2710 N, 1100 E, Livingston, IL

Built 1986 Load: 32.4 t ADT: 200

TR 205

Good

Over: STREAM

26 E, 1000 N, Livingston, IL

Built 1987 Load: 32.4 t ADT: 50

Showing 18,901-18,950 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.