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 238A

Good

Over: TRIB S FK VERMILLION

560 N, 2800 E, Livingston, IL

Built 1988 Load: 32.4 t ADT: 10

TR 1 (MCLEAN CO )

Good

Over: WATER WAY

075 E, 900 N, Livingston, IL

Built 1989 Load: 32.4 t ADT: 250

TR 69

Good

Over: GOOSEBERRY CREEK

2540 E, 2500 N, Livingston, IL

Built 1992 Load: 32.4 t ADT: 100

TR 41C

Good

Over: WATERWAY

3482E, 2800N, Livingston, IL

Built 1990 Load: 32.4 t ADT: 75

TR 70

Good

Over: TRIB VERMILLION RV

3010N, 975E, Livingston, IL

Built 1995 Load: 32.4 t ADT: 100

TR 243A

Good

Over: BR OF VERMILLION

500N,2980E, Livingston, IL

Built 1995 Load: 32.4 t ADT: 150

TR 157

Good

Over: DRAINAGE DITCH

1400N, 585E, Livingston, IL

Built 1997 Load: 32.4 t ADT: 75

TR 145

Good

Over: UNNAMED TRIB

805E, 1500N, Livingston, IL

Built 2005 Load: 32.4 t ADT: 75

TR 224A

Good

Over: TR S FORK VERMILLION

495N 2600E, Livingston, IL

Built 2006 Load: 32.4 t ADT: 50

TR 215A

Good

Over: TR N FORK VERMILLION

3564E, 900N, Livingston, IL

Built 2006 Load: 32.4 t ADT: 200

TR 268

Good

Over: GOOSEBERRY CREEK

2440 N, 3200 E, Livingston, IL

Built 2011 Load: 32.4 t ADT: 100

TR 195

Good

Over: Trib to Pike Creek

2.0 mi. NW of Chenoa, Livingston, IL

Built 2014 Load: 32.4 t ADT: 25

TR 207

Good

Over: HICKORY CREEK

2 Mi. N. of US 24, Livingston, IL

Built 2015 Load: 32.4 t ADT: 25

TR-233

Good

Over: Drainage Ditch

244E, 700N, Livingston, IL

Built 2017 Load: 32.4 t ADT: 50

OAK ST

Good

Over: S.FK VERMIION RIVER

OAK ST IN FORREST, Livingston, IL

Built 1982 Load: 32.4 t ADT: 100

E WATSON ST

Good

Over: TRIB TO VERMILLION C

E OF WABASH ST, Livingston, IL

Built 2003 Load: 32.4 t ADT: 25

VERMILION STREET

Good

Over: VERMILION RIVER

0.2 MI S OF ILL 116, Livingston, IL

Built 1925 Load: 32.4 t ADT: 2,600

FAU 6328

Good

Over: NORTH CREEK

N SIDE OF PONTIAC, Livingston, IL

Built 2004 Load: 32.4 t ADT: 2,000

FAU 6325

Good

Over: NORTH DITCH

0.3 M E OF RTE 23, Livingston, IL

Built 2005 Load: 32.4 t ADT: 1,300

MS 8455/SMITH-DOUG

Good

Over: TRIB VERMILLION R

600 E, 3180 N, Livingston, IL

Built 2004 Load: 32.4 t ADT: 300

TR 4

Good

Over: STREAM

1.7M SW WAYNESVILLE, Logan, IL

Built 1983 Load: 32.4 t ADT: 25

ATLANTA-BEASON RD

Good

Over: DEER CREEK

5 MI S OF ATLANTA, Logan, IL

Built 1996 Load: 32.4 t ADT: 375

FAS 566

Good

Over: PIKE CK

5 MI W ELKHART, Logan, IL

Built 1991 Load: 32.4 t ADT: 500

ATLANTA BEASONRD

Good

Over: DEEK CK TRIB

2 MI N BEASON, Logan, IL

Built 1994 Load: 32.4 t ADT: 375

ATLANTA-BEASON BR

Good

Over: LOCAL DRAINAGE

5 MI S OF ATLANTA, Logan, IL

Built 1996 Load: 32.4 t ADT: 375

PRIMM RD

Good

Over: DEER CR TRIB

2 MI S LINCOLN, Logan, IL

Built 1997 Load: 32.4 t ADT: 800

TR 43

Good

Over: CLEAR CREEK

3 E 1 MI S ATLANTA, Logan, IL

Built 1986 Load: 32.4 t ADT: 20

TR 314

Good

Over: CLEAR CREEK

2.5 MI E ATLANTA, Logan, IL

Built 1999 Load: 32.4 t ADT: 20

TR 158

Good

Over: SALT CREEK

5 S 1 MI W LINCOLN, Logan, IL

Built 1989 Load: 32.4 t ADT: 75

TR 175

Good

Over: SALT CREEK TRIBUTARY

5 MI S 2 MI E LINC., Logan, IL

Built 1983 Load: 32.4 t ADT: 100

TR 234

Good

Over: DEER CREEK TRIB

3 M SE LINCOLN, Logan, IL

Built 2005 Load: 32.4 t ADT: 50

TR 68

Good

Over: LAKE FORK TRIB

1 MI N ELKHART, Logan, IL

Built 1984 Load: 32.4 t ADT: 75

TR 185A

Good

Over: LAKE FORK TRIB

1.5 M S BROADWELL, Logan, IL

Built 2007 Load: 32.4 t ADT: 100

TR 207

Good

Over: LAKE FORK TRIBUTARY

1 E 3 MI N CORNLAND, Logan, IL

Built 1983 Load: 32.4 t ADT: 20

TR 193

Good

Over: PIKE CREEK

3 M W ELKHART, Logan, IL

Built 2008 Load: 32.4 t ADT: 25

TR 261

Good

Over: Trib to Lake Fork Di

1.5 Mi W Cornland, Logan, IL

Built 2015 Load: 32.4 t ADT: 50

TR 47

Good

Over: Trib to Sugar Creek

.51 mi E TR 46, Logan, IL

Built 2015 Load: 32.4 t ADT: 20

TR 22

Good

Over: PRAIRIE CK TRIB

3 M NE NEW HOLLAND, Logan, IL

Built 1989 Load: 32.4 t ADT: 10

TR 17

Good

Over: PRAIRIE CREEK

2MI S .5M E SAN JOSE, Logan, IL

Built 1990 Load: 32.4 t ADT: 20

TR 33

Good

Over: Prairie Creek Ditch

0.85 mi E Mason CL, Logan, IL

Built 2016 Load: 32.4 t ADT: 150

TR 59

Good

Over: PRAIRIE CREEK

2.5 N 1 W NEW HOLLND, Logan, IL

Built 1989 Load: 32.4 t ADT: 50

TR 103

Good

Over: SUGAR CR TRIB

3 MI SE NEW HOLLAND, Logan, IL

Built 2003 Load: 32.4 t ADT: 20

TR 71

Good

Over: PRAIRIE CK TRIB

2 N 1 MI E NEW HLLND, Logan, IL

Built 2005 Load: 32.4 t ADT: 50

UNION ST FAU 7719

Good

Over: BRAINARDS BRANCH

3 BLOCKS NIL10&UNION, Logan, IL

Built 1978 Load: 32.4 t ADT: 1,500

NICHOLSON ROAD

Good

Over: BRAINARDS BRANCH

AT FELDMAN DRIVE, Logan, IL

Built 1997 Load: 32.4 t ADT: 1,050

FAU 7716(State St)

Good

Over: Brainards Branch

0.15 mi S Bus 55, Logan, IL

Built 2016 Load: 32.4 t ADT: 450

IL 105 (EB)(FAP 74

Good

Over: LAKE DECATUR

IN DECATUR, Macon, IL

Built 1970 Load: 32.4 t ADT: 7,800

IL 105 (WB)(FAP 74

Good

Over: LAKE DECATUR

IN DECATUR, Macon, IL

Built 1970 Load: 32.4 t ADT: 7,800

FAP 322 (US 51)

Good

Over: DRY CREEK

.6 MI S OF MACON, Macon, IL

Built 2001 Load: 32.4 t ADT: 5,700

IL 121 (FAP 320)

Good

Over: STREAM

2 MI NW DALTON CITY, Macon, IL

Built 2007 Load: 32.4 t ADT: 3,950

Showing 18,951-19,000 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.