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

FAU8198/S JOHNSON

Fair

Over: TOWN BROOK

S JOHNSON @ BROOK, Morgan, IL

Built 1997 Load: 32.4 t ADT: 200

WADSWORTH DR.

Fair

Over: TRIB/MAUVAISE TERRE

WADSWORTH DRIVE, Morgan, IL

Built 1996 Load: 32.4 t ADT: 300

SO FAYETTE STREET

Fair

Over: TOWN BROOK

ON FAYETTE @ BROOK, Morgan, IL

Built 2002 Load: 32.4 t ADT: 550

CH 8(FAS 659)

Fair

Over: JONATHAN CREEK

3 MI S OF CADWELL, Moultrie, IL

Built 1986 Load: 32.4 t ADT: 2,100

CH 8(FAS 659)

Fair

Over: CREEK

3.5 MI E OF SULLIVAN, Moultrie, IL

Built 1986 Load: 32.4 t ADT: 2,000

CH 15(FAS 637)

Fair

Over: MARROWBONE CREEK

.25 MI S BETHANY, Moultrie, IL

Built 1981 Load: 32.4 t ADT: 900

CH 13

Fair

Over: UNNAMED TRIBUTARY

2.2 MI SSW BETHANY, Moultrie, IL

Built 2006 Load: 32.4 t ADT: 450

TR 4

Fair

Over: MARROWBONE CREEK

.25 MI SE DALTON CIT, Moultrie, IL

Built 1983 Load: 32.4 t ADT: 50

TR 37

Fair

Over: MARROWBONE CREEK

1.25 M SW DALTON CIT, Moultrie, IL

Built 2012 Load: 32.4 t ADT: 275

TR 119

Fair

Over: JONATHAN CREEK

2.2 MI E OF SULLIVAN, Moultrie, IL

Built 1997 Load: 32.4 t ADT: 425

TR 67

Fair

Over: TWO MILE BRANCH

4 MI N OF SULLIVAN, Moultrie, IL

Built 1985 Load: 32.4 t ADT: 100

TR 39

Fair

Over: JONATHON CREEK

1 MI N OF CADWELL, Moultrie, IL

Built 1996 Load: 32.4 t ADT: 75

TR 80

Fair

Over: W OKAW RIVER

2.1 MI NW LOVINGTON, Moultrie, IL

Built 1977 Load: 32.4 t ADT: 50

TR 58

Fair

Over: STRINGTOWN BRANCH

2 MI W LOVINGTON, Moultrie, IL

Built 1982 Load: 32.4 t ADT: 100

TR 40

Fair

Over: W OKAW RIVER

2.2 MI NW LOVINGTON, Moultrie, IL

Built 1991 Load: 32.4 t ADT: 50

TR 61

Fair

Over: W OKAW RIVER

3.3 MI SW LOVINGTON, Moultrie, IL

Built 1988 Load: 32.4 t ADT: 50

TR 58

Fair

Over: STREAM

2.4 MI NE LAKE CITY, Moultrie, IL

Built 1990 Load: 32.4 t ADT: 75

TR 5

Fair

Over: HAMMOND MUTUAL DITCH

2.2 MI S OF HAMMOND, Moultrie, IL

Built 1991 Load: 32.4 t ADT: 20

TR 38A (CR 2300N)

Fair

Over: Drainage Ditch

625E CR 2300N, Moultrie, IL

Built 1992 Load: 32.4 t ADT: 20

TR 17

Fair

Over: CRABAPPLE CREEK

1.6 MI NW ARTHUR, Moultrie, IL

Built 1978 Load: 32.4 t ADT: 200

TR 17

Fair

Over: STREAM

2.0 MI NW ARTHUR, Moultrie, IL

Built 1981 Load: 32.4 t ADT: 200

TR 132

Fair

Over: HAMMOND MUTUAL DITCH

0.5 MI S OF HAMMOND, Moultrie, IL

Built 1986 Load: 32.4 t ADT: 50

TR 9

Fair

Over: NEUTRAL DITCH

3 MI N OF ARTHUR, Moultrie, IL

Built 1988 Load: 32.4 t ADT: 75

TR 172

Fair

Over: DRAINAGE DITCH

1 MI W OF ARTHUR, Moultrie, IL

Built 1990 Load: 32.4 t ADT: 175

TR 172

Fair

Over: DRAINAGE DITCH

1.8 MI NW OF ARTHUR, Moultrie, IL

Built 1996 Load: 32.4 t ADT: 50

TR 25

Fair

Over: JONATHON CREEK

4 MI W OF ARTHUR, Moultrie, IL

Built 1991 Load: 32.4 t ADT: 75

TR 10

Fair

Over: WILBORN CREEK

4.5 MI S OF BETHANY, Moultrie, IL

Built 1986 Load: 32.4 t ADT: 75

TR 4 A

Fair

Over: STREAM

2 MI S DALTON CITY, Moultrie, IL

Built 1991 Load: 32.4 t ADT: 25

TR 57

Fair

Over: MARROWBONE CREEK

3 MI S DALTON CITY, Moultrie, IL

Built 1992 Load: 32.4 t ADT: 50

TR 99

Fair

Over: MARROWBONE CREEK

1.7 MI SE BETHANY, Moultrie, IL

Built 2003 Load: 32.4 t ADT: 200

TR 42

Fair

Over: W OKAW RIVER

2.2 MI SE BETHANY, Moultrie, IL

Built 1988 Load: 32.4 t ADT: 100

TR 99 A

Fair

Over: ASA CREEK

1.6 MI N OF SULLIVAN, Moultrie, IL

Built 2000 Load: 32.4 t ADT: 75

TR 142 A

Fair

Over: LYNN CREEK

3.6 MI NW GAYS, Moultrie, IL

Built 1984 Load: 32.4 t ADT: 50

PROGRESS ST(MS 260

Fair

Over: LOWE DITCH #2

W EDGE OF ARTHUR, Moultrie, IL

Built 1994 Load: 32.4 t ADT: 1,400

ILL 2

Fair

Over: SILVER CREEK

3.8 MI N JCT ILL 64, Ogle, IL

Built 1924 Load: 32.4 t ADT: 4,850

IL 72

Fair

Over: LEAF RIVER

.7 MI W LEAF RIVER, Ogle, IL

Built 1929 Load: 32.4 t ADT: 1,550

IL 72

Fair

Over: LEAF RIVER

.5 MI E LEAF RIVER, Ogle, IL

Built 1985 Load: 32.4 t ADT: 1,700

WEST GROVE RD

Fair

Over: BRANCH LEAF RIVER

3.0 MI SE FORRESTON, Ogle, IL

Built 1962 Load: 32.4 t ADT: 200

EGAN RD.

Fair

Over: MILL CREEK

5.0 N.W. BYRON, Ogle, IL

Built 1962 Load: 32.4 t ADT: 50

GALENA TRAIL RD.

Fair

Over: BUFFALO CREEK

0.5 MI W POLO, Ogle, IL

Built 1963 Load: 32.4 t ADT: 150

COLUMBINE ROAD

Fair

Over: BRANCH LEAF RIVER

3 MI SE FORRESTON, Ogle, IL

Built 1972 Load: 32.4 t ADT: 75

MOWERS RD

Fair

Over: BR KILLBUCK CREEK

4 MI SE LINDENWOOD, Ogle, IL

Built 1977 Load: 32.4 t ADT: 50

OREGON TRAIL ROAD

Fair

Over: PINE CREEK

3.0 MI SW MT MORRIS, Ogle, IL

Built 1979 Load: 32.4 t ADT: 125

BLACKHAWK ROAD

Fair

Over: BR KYTE CREEK

2.0 MI E DAYSVILLE, Ogle, IL

Built 1979 Load: 32.4 t ADT: 100

FORK CREEK ROAD

Fair

Over: BR ELKHORN CREEK

4.0 MI N BROOKVILLE, Ogle, IL

Built 1981 Load: 32.4 t ADT: 50

ELKHORN RD

Fair

Over: ELKHORN CR

1.0 MI E BROOKVILLE, Ogle, IL

Built 1983 Load: 32.4 t ADT: 25

ROCK CITY ROAD

Fair

Over: MUD CREEK

2.2 MI NE ADELINE, Ogle, IL

Built 1981 Load: 32.4 t ADT: 50

BRUSH ROAD

Fair

Over: MUD CREEK

3.5 MI NW ADELINE, Ogle, IL

Built 1984 Load: 32.4 t ADT: 75

CHAMBERLAIN ROAD

Fair

Over: KILLBUCK CREEK

3.0 M NW CRESTON, Ogle, IL

Built 1981 Load: 32.4 t ADT: 25

OAK GROVE RD - TR

Fair

Over: MILL CREEK

5.5 MI NW OF BYRON, Ogle, IL

Built 1982 Load: 32.4 t ADT: 25

Showing 9,101-9,150 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.

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.