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

LAKEVIEW DRIVE

Fair

Over: EUREKA LAKE

SW1/4-13-T26NR2W, Woodford, IL

Built 2003 Load: 32.4 t ADT: 150

MAIN ST WASHBURN

Fair

Over: SNAG CREEK

0.1 MILE N.WATER ST, Woodford, IL

Built 1994 Load: 32.4 t ADT: 425

CHURCH STREET

Fair

Over: SNAG CREEK

.2 MI W OF ILL 89, Woodford, IL

Built 1999 Load: 32.4 t ADT: 100

PATTEN ROAD

Fair

Over: PAVED ROAD

0.5 KM N OF FINLEY ROAD, Lake, IL

Built 2005 Load: 32.6 t ADT: 1,050

CONNECICUT AVE

Fair

Over: CREEK

50M E. OF MISSISSIPPI ST., Lake, IL

Built 1957 Load: 32.6 t ADT: 210

US 24

Fair

Over: HOMAN CREEK

.05M N 12TH ST., Adams, IL

Built 1968 Load: 32.7 t ADT: 3,800

CH 3

Fair

Over: CREEK

6.5 MI NE OF QUINCY, Adams, IL

Built 1940 Load: 32.7 t ADT: 325

I-180

Fair

Over: ILLINOIS RIVER

1.82 MI E OF ILL 26, Bureau, IL

Built 1969 Load: 32.7 t ADT: 2,900

ILL 64 AND US 52

Fair

Over: STRADDLE CREEK

3.4 MI E JCT ILL 78, Carroll, IL

Built 1952 Load: 32.7 t ADT: 2,950

FAP 709 (US 136)

Fair

Over: E BR SALT FORK RIVER

3 MI E OF RANTOUL, Champaign, IL

Built 1988 Load: 32.7 t ADT: 3,750

TR 196 A

Fair

Over: OHLMAN BRANCH

1 MI NW OHLMAN, Christian, IL

Built 1964 Load: 32.7 t ADT: 100

US 14 (DEMPSTER ST

Fair

Over: CREEK

0.1 M E I-294, Cook, IL

Built 1928 Load: 32.7 t ADT: 36,100

I-290 IKE

Fair

Over: S BR CHICAGO RIVER

W FRANKLIN AVE, Cook, IL

Built 1956 Load: 32.7 t ADT: 80,900

ARLINGTON HEIGHTS

Fair

Over: SALT CREEK

1.6 M S ILL 72 P5, Cook, IL

Built 1971 Load: 32.7 t ADT: 20,300

STEGER RD

Fair

Over: DEER CREEK

0.45 M E STATE P2, Cook, IL

Built 1925 Load: 32.7 t ADT: 8,950

I295,I55,RAMPS

Fair

Over: SEWAGE DISPOSAL RD

.16M N OF JOLIET RD, Cook, IL

Built 1958 Load: 32.7 t ADT: 40,100

IL 54 (FAP 71)

Fair

Over: CREEK

3 MI NE FULLERTON, De Witt, IL

Built 1931 Load: 32.7 t ADT: 2,000

I-57 (SB)

Fair

Over: DRAINAGE DITCH

2.25 MI S OF US 36, Douglas, IL

Built 1968 Load: 32.7 t ADT: 10,150

TR 117 C

Fair

Over: DRAINAGE DITCH

0.5 MI W OF BROCTON, Edgar, IL

Built 1970 Load: 32.7 t ADT: 200

FAS-1710 (CH-6)

Fair

Over: SECOND CREEK

4 MI S FUNKHOUSER, Effingham, IL

Built 1909 Load: 32.7 t ADT: 300

FAP-750 (ILL-185)

Fair

Over: LONE GROVE BR

1.2 MI E. ST PETER, Fayette, IL

Built 1932 Load: 32.7 t ADT: 1,200

TR 9 MONA

Fair

Over: STREAM

1240E 3500N, Ford, IL

Built 1973 Load: 32.7 t ADT: 50

TURL RD - TR 103

Fair

Over: MID BR COPPERAS CR

NE-1-T7NR4E, Fulton, IL

Built 1977 Load: 32.7 t ADT: 75

ILL 13

Fair

Over: STREAM

1 MI E SHAWNEETOWN, Gallatin, IL

Built 1955 Load: 32.7 t ADT: 2,650

ILL 13

Fair

Over: CYPRESS DITCH

JUNCTION, Gallatin, IL

Built 1965 Load: 32.7 t ADT: 2,700

TR-83

Fair

Over: BIRCH CREEK

6.6 MI NE WHITE HALL, Greene, IL

Built 1982 Load: 32.7 t ADT: 50

TR 252

Fair

Over: EDWARDS RIVER

6.0 MI SE CAMBRIDGE, Henry, IL

Built 1963 Load: 32.7 t ADT: 50

TR 378

Fair

Over: W BR WALKER CREEK

1 MI NW KEWANEE, Henry, IL

Built 1980 Load: 32.7 t ADT: 50

TR 367

Fair

Over: SPRING CR

.3M S-.5M E OF LODA, Iroquois, IL

Built 1965 Load: 32.7 t ADT: 75

TR 255A

Fair

Over: TRIB TO SPRING CREEK

3 Mi. E.OF THAWVILLE, Iroquois, IL

Built 1973 Load: 32.7 t ADT: 10

DOGWOOD RD

Fair

Over: DRURY CREEK

0.8MI E OF FAS 1919, Jackson, IL

Built 1980 Load: 32.7 t ADT: 350

IL 38

Fair

Over: MILL CREEK

3.5 M E OF IL 47, Kane, IL

Built 1965 Load: 32.7 t ADT: 11,200

FRANCIS RD

Fair

Over: VIRGIL DITCH NO 1

0.6 MI N. IL Rte 38, Kane, IL

Built 1978 Load: 32.7 t ADT: 75

TR 226B

Fair

Over: STREAM

0.5 MI E. MOMENCE, Kankakee, IL

Built 1972 Load: 32.7 t ADT: 100

TR 172

Fair

Over: EXLINE SLOUGH

.5 MI SW ST GEORGE, Kankakee, IL

Built 1974 Load: 32.7 t ADT: 500

FAS 311 CH 9

Fair

Over: BRANCH ROCK CREEK

3.9 MI W OF US 45, Kankakee, IL

Built 1977 Load: 32.7 t ADT: 2,800

I-39 NB/US 51 NB

Fair

Over: C & NW RR

0.2 MI N OF US 52, LaSalle, IL

Built 1977 Load: 32.7 t ADT: 9,350

TR 71

Fair

Over: STREAM

N 4350TH E 10TH, LaSalle, IL

Built 1964 Load: 32.7 t ADT: 50

FAS 269 (CH 12 N46

Fair

Over: STREAM

N46TH RD E 650, LaSalle, IL

Built 1978 Load: 32.7 t ADT: 325

TR 310

Fair

Over: BR COVEL CREEK

E 18TH N2190, LaSalle, IL

Built 1979 Load: 32.7 t ADT: 100

FAS268 A/CH 15

Fair

Over: MILL RACE

CH 15 N MILL RACE, LaSalle, IL

Built 1912 Load: 32.7 t ADT: 3,450

TR 254

Fair

Over: CREEK

1180 N, 3100 E, Livingston, IL

Built 1961 Load: 32.7 t ADT: 50

TR 92C

Fair

Over: BAKER RUN

2295 N, 1200 E, Livingston, IL

Built 1980 Load: 32.7 t ADT: 100

IL 121

Fair

Over: SALT CREEK

3.9M N IL54-MT PUL.*, Logan, IL

Built 1928 Load: 32.7 t ADT: 3,500

US 136

Fair

Over: W FORK SUGAR CREEK

1.2M W ARMINGTON RD, Logan, IL

Built 1936 Load: 32.7 t ADT: 1,900

I-55 NB

Fair

Over: SALT CREEK OVERFLOW

1.6M S IL 10, Logan, IL

Built 1973 Load: 32.7 t ADT: 13,750

I-55 SB

Fair

Over: SALT CREEK OVERFLOW

1.6M S IL 10, Logan, IL

Built 1973 Load: 32.7 t ADT: 13,750

NICHOLSON RD

Fair

Over: KICKAPOO CK

3 MI N LINCOLN, Logan, IL

Built 1970 Load: 32.7 t ADT: 400

ILL 138

Fair

Over: SUGAR CREEK

1.0MI W I-55/138 INT, Macoupin, IL

Built 1932 Load: 32.7 t ADT: 2,700

US 136

Fair

Over: DITCH

1.08 E IL 10, Mason, IL

Built 1966 Load: 32.7 t ADT: 1,700

Showing 10,201-10,250 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.