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

THOMAS RD - TR 38

Good

Over: DRAINAGE DITCH

SW-15-T24NR6W, Tazewell, IL

Built 1988 Load: 32.4 t ADT: 50

TR 135

Good

Over: SPRING LAKE BRANCH A

CTR-35-T24NR7W, Tazewell, IL

Built 1989 Load: 32.4 t ADT: 10

TR 75

Good

Over: MACKINAW RIVER

CTR-4-T24NR2W, Tazewell, IL

Built 1993 Load: 32.4 t ADT: 100

TR 243

Good

Over: SUGAR CREEK

NW-34-T23NR2W, Tazewell, IL

Built 1994 Load: 32.4 t ADT: 10

TR 77

Good

Over: FUNKS BRANCH

N.CTR-1-T24NR2W, Tazewell, IL

Built 1993 Load: 32.4 t ADT: 75

FAS 2467-CH 3

Good

Over: MUD CREEK

NE-2-T24NR3W, Tazewell, IL

Built 2004 Load: 32.4 t ADT: 1,200

TR 255

Good

Over: STREAM

NE-33-T23NR3W, Tazewell, IL

Built 1996 Load: 32.4 t ADT: 25

TR 730(MAYFLOWER D

Good

Over: LOST CREEK

NW1/4-16-T24NR4W, Tazewell, IL

Built 1998 Load: 32.4 t ADT: 650

FAU 6775-FARMDALE

Good

Over: BRANCH TO FARM CREEK

N CTR-35-T26NR4W, Tazewell, IL

Built 1999 Load: 32.4 t ADT: 3,800

TR 185

Good

Over: TRIB TO MACKINAW RIV

W.CTR-11-T23NR4W, Tazewell, IL

Built 1997 Load: 32.4 t ADT: 175

TR 47

Good

Over: ALLOWAY CREEK

NW-23-T25NR2W, Tazewell, IL

Built 2001 Load: 32.4 t ADT: 775

FAS 467-CH 5

Good

Over: PRAIRIE CREEK

SE-5-T24NR3W, Tazewell, IL

Built 2002 Load: 32.4 t ADT: 1,200

TR 69

Good

Over: ALLOWAY CREEK

CTR-34-T25NR2W, Tazewell, IL

Built 2002 Load: 32.4 t ADT: 50

LAGOON RD - TR 237

Good

Over: SUGAR CREEK

E.CTR-27-T23NR2W, Tazewell, IL

Built 2003 Load: 32.4 t ADT: 75

TR 23(FARMDALE RD)

Good

Over: FARM CREEK

E1/2-SEC36-T26NR4W, Tazewell, IL

Built 2005 Load: 32.4 t ADT: 775

QUEENSWOOD RD-TR61

Good

Over: MUD CREEK

CTR-30-T25NR2W, Tazewell, IL

Built 2005 Load: 32.4 t ADT: 300

WAGONSELLER RD-CH

Good

Over: MAIN DRAINAGE DITCH

W.CTR-29-T22NR5W, Tazewell, IL

Built 2007 Load: 32.4 t ADT: 150

ZIMMERLY RD - TR 3

Good

Over: LITTLE MACKINAW RIVE

SW COR-24-T24NR2W, Tazewell, IL

Built 2007 Load: 32.4 t ADT: 10

TR 156

Good

Over: Farm Creek

SE-36-T26NR4W, Tazewell, IL

Built 2012 Load: 32.4 t ADT: 2,650

TR 65

Good

Over: Mud Creek

NW-31-T25NR2W, Tazewell, IL

Built 2013 Load: 32.4 t ADT: 75

Wagonseller Rd-CH

Good

Over: Drainage Ditch

N.CTR-20-T23NR5W, Tazewell, IL

Built 2013 Load: 32.4 t ADT: 1,000

FAS 1467 - CH 19

Good

Over: DILLON CREEK

NE COR-1-T25NR4W, Tazewell, IL

Built 1978 Load: 32.4 t ADT: 4,700

TR 71A

Good

Over: DEER CREEK

NW COR-2-T24NR3W, Tazewell, IL

Built 1980 Load: 32.4 t ADT: 1,650

DEE MACK RD-CH 6

Good

Over: MUD CREEK

2100N,3100E, Tazewell, IL

Built 1994 Load: 32.4 t ADT: 1,200

CH 8

Good

Over: Prairie Creek

S.CTR-20-T22NR3W, Tazewell, IL

Built 2012 Load: 32.4 t ADT: 100

FAU 6739

Good

Over: UNNAMED TRIB,FARM CR

NW1/4 T26NR3W, Tazewell, IL

Built 2000 Load: 32.4 t ADT: 2,200

LAWNDALE AVE

Good

Over: FARM CREEK

SW-13-T26NR3W, Tazewell, IL

Built 2002 Load: 32.4 t ADT: 475

SPRINGFIELD RD-967

Good

Over: COLE CREEK

0.10MI SE OF ILL 116, Tazewell, IL

Built 1992 Load: 32.4 t ADT: 2,800

FAHEY HOLLOW RD

Good

Over: KERFOOT CREEK

NE-4-T25NR4W, Tazewell, IL

Built 2006 Load: 32.4 t ADT: 550

MS-1690 GreenwoodS

Good

Over: Prairie Creek

EAST OF LEE ST, Tazewell, IL

Built 1982 Load: 32.4 t ADT: 575

FERNWOOD STREET

Good

Over: PRAIRIE CREEK

EAST OF LEE ST, Tazewell, IL

Built 1983 Load: 32.4 t ADT: 275

EDGEWOOD ST

Good

Over: PRAIRIE CREEK

EAST OF LEE AVE, Tazewell, IL

Built 1984 Load: 32.4 t ADT: 150

Heritage St

Good

Over: FARM CREEK

0.3 Mi. SE of Ill 40, Tazewell, IL

Built 2012 Load: 32.4 t ADT: 5,050

RIDGE RD- FAU6774

Good

Over: FARM CREEK

SE-36-T26NR4W, Tazewell, IL

Built 2014 Load: 32.4 t ADT: 1,450

LINCOLN AVE

Good

Over: BRANCH OF FARM CREEK

SE1/4-14-T26NR3W, Tazewell, IL

Built 2009 Load: 32.4 t ADT: 1,350

Sheridan-FAU 6759

Good

Over: Lick Creek

SW-30-T25NR4W, Tazewell, IL

Built 2014 Load: 32.4 t ADT: 1,350

Spinder-MS 2375

Good

Over: Farm Creek

0.5 SW of Camp St, Tazewell, IL

Built 2013 Load: 32.4 t ADT: 6,600

ILL 127

Good

Over: MILL CREEK

1.4 MI N MILL CREEK, Union, IL

Built 1985 Load: 32.4 t ADT: 900

ILL 127

Good

Over: MILL CR

2.4 MI N MILL CREEK, Union, IL

Built 1986 Load: 32.4 t ADT: 900

TR 79A

Good

Over: CLEAR CREEK TRIB

0.9 MI.E OF ILL 127, Union, IL

Built 1977 Load: 32.4 t ADT: 175

TR 174

Good

Over: CREEK

1.3M.N.JCT.FAS 1926, Union, IL

Built 1978 Load: 32.4 t ADT: 10

TR 131

Good

Over: CLEAR CREEK

2.0 MI NE OF WARE, Union, IL

Built 1978 Load: 32.4 t ADT: 175

TR 57

Good

Over: DRURY CREEK

0.05 MI E OF CH 1, Union, IL

Built 1978 Load: 32.4 t ADT: 225

FAS 924

Good

Over: CACHE RIVER TRIB

5.2 MI E OF ANNA, Union, IL

Built 1981 Load: 32.4 t ADT: 2,150

TR 91

Good

Over: TRIB TO CACHE RIVER

0.3 MI W OF US 51, Union, IL

Built 1982 Load: 32.4 t ADT: 175

TR 261

Good

Over: TRIB TO CLEAR CREEK

.4 MI N. FAIR CITY, Union, IL

Built 1982 Load: 32.4 t ADT: 175

FAS 924

Good

Over: TRIB TO CACHE RIVER

4 MI E ANNA, Union, IL

Built 1983 Load: 32.4 t ADT: 2,200

TR 185

Good

Over: TRIB TO GREEN CREEK

JCT IL 146W.JNSBORO, Union, IL

Built 1983 Load: 32.4 t ADT: 400

TR 276

Good

Over: LICK CREEK

.8 MI N. JCT FAS 924, Union, IL

Built 1985 Load: 32.4 t ADT: 150

TR 90

Good

Over: DUTCH CREEK TRIB

.4 MI S ILL 127, Union, IL

Built 1986 Load: 32.4 t ADT: 125

Showing 21,101-21,150 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.

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