Total Bridges
27,743
Public highway bridges in Illinois
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
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
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
NE
Nebraska
7.73% top marginal rate
IL
Illinois
7.88% top marginal rate
MA
Massachusetts
7.96% top marginal rate
MO
Missouri
8.53% top marginal rate
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
PoorOver: DRAINAGE CANAL
2.2 MI E MEYER, Adams, IL
Built 1980 Load: 0.6 t ADT: 200
CH 15
PoorOver: E FK MAZONRIVER
0.05 MI W CH 16, Grundy, IL
Built 1977 Load: 1.0 t ADT: 1,400
MOOSE RD - TR 240
PoorOver: WILSON CREEK
NE-35-T3NR2E, Fulton, IL
Built 1935 Load: 1.3 t ADT: 10
TR 10-B
PoorOver: KING CREEK
W EDGE OF MINERAL, Bureau, IL
Built 1899 Load: 1.6 t ADT: 10
TR-6
PoorOver: DRAINAGE DITCH
3.5 MI NE DIETERICH, Effingham, IL
Built 1909 Load: 1.6 t ADT: 25
TR208K(TWIN BRIDGE
PoorOver: BIG CREEK
NE EDGE MT ZION, Macon, IL
Built 1967 Load: 1.9 t ADT: 375
All Bridges in Illinois
FAU 8153
FairOver: PANTHER CREEK
2.0 SE CHATHAM, Sangamon, IL
Built 1970 Load: 22.7 t ADT: 250
MILL ST
FairOver: BLACK BRANCH
MILL ST IN ROCHESTER, Sangamon, IL
Built 1930 Load: 22.7 t ADT: 75
ILES AVE
FairOver: STREAM
ILES @ CHATHAM RD, Sangamon, IL
Built 1970 Load: 22.7 t ADT: 1,750
FAS 1631(CH 9)
FairOver: DRAKE CREEK
6 MI E OF STRASBURG, Shelby, IL
Built 1958 Load: 22.7 t ADT: 325
FAS 1631(CH 9)
FairOver: STREAM
2.2 MI N TROWBRIDGE, Shelby, IL
Built 1958 Load: 22.7 t ADT: 350
Shelbyville Dam
FairOver: Lake Shelbyville
Shelbyville, IL, Shelby, IL
Built 1970 Load: 22.7 t ADT: 900
DOUGLAS ST/ FAU 92
FairOver: RICHLAND CREEK
BELLEVILLE, St. Clair, IL
Built 1948 Load: 22.7 t ADT: 3,600
BROADWAY RD
FairOver: BULL RUN CREEK
SE COR-32-T24NR3W, Tazewell, IL
Built 1954 Load: 22.7 t ADT: 2,050
FAU 6699
FairOver: STREAM
NE-5-T25NR4W, Tazewell, IL
Built 1954 Load: 22.7 t ADT: 2,350
MS#6470A
FairOver: BULL RUN CREEK
NE COR-5-T24NR3W, Tazewell, IL
Built 1963 Load: 22.7 t ADT: 950
TR 260
FairOver: STREAM
SE-12-T22NR3W, Tazewell, IL
Built 1955 Load: 22.7 t ADT: 75
TR 253A
FairOver: STREAM
NE COR-4-T22NR3W, Tazewell, IL
Built 1948 Load: 22.7 t ADT: 10
TR 257
FairOver: STREAM
SE-1-T22NR3W, Tazewell, IL
Built 1950 Load: 22.7 t ADT: 75
TR 236A
FairOver: CYPRESS CK
.6 M N CH 11, Union, IL
Built 1984 Load: 22.7 t ADT: 25
TR 176
FairOver: STREAM
4 MI NW ROSSVLE, Vermilion, IL
Built 1968 Load: 22.7 t ADT: 50
TR 482
FairOver: EAST BRANCH
6 MI SE ROSSVILLE, Vermilion, IL
Built 1960 Load: 22.7 t ADT: 75
TR 725 A
FairOver: GRAPE CREEK
1 MI E OF BELGIUM, Vermilion, IL
Built 1964 Load: 22.7 t ADT: 50
FAS-883
FairOver: BEAR CREEK
1 MI W NORRIS CITY, White, IL
Built 1952 Load: 22.7 t ADT: 1,150
FULFS RD
FairOver: ELKHORN CREEK
3 MI NO OF STERLING, Whiteside, IL
Built 1964 Load: 22.7 t ADT: 600
BLUE GOOSE RD
FairOver: COUNTY DITCH NO. 1
3.5 MI NW TAMPICO, Whiteside, IL
Built 1971 Load: 22.7 t ADT: 25
ROMEOVILLE RD
FairOver: ILL & MICH CANAL
1.2 MI E ILL 53, Will, IL
Built 1953 Load: 22.7 t ADT: 14,200
CHERRY HILL RD
FairOver: JACKSON CR
0.6M N.MAN-ELWOOD RD, Will, IL
Built 1900 Load: 22.7 t ADT: 775
FAS 904
FairOver: CRAB ORCHARD CREEK
0.67 MI SO PITTSBURG, Williamson, IL
Built 1972 Load: 22.7 t ADT: 2,850
BEST RD
FairOver: S BR OTTER CREEK
0.5 MI N DURAND RD, Winnebago, IL
Built 1955 Load: 22.7 t ADT: 3,000
PATTERSON ROAD
FairOver: N BR OTTER CREEK
0.5 MI S ROCK GROVE, Winnebago, IL
Built 1968 Load: 22.7 t ADT: 225
ALPINE RD
FairOver: SPRING CREEK
0.1 MI S OF SPRG CK, Winnebago, IL
Built 1955 Load: 22.7 t ADT: 20,900
MARSHALL ST
FairOver: S.E. DRAINAGEWAY
0.05 MI S HARRISON, Winnebago, IL
Built 1966 Load: 22.7 t ADT: 575
CHESTERFIELD AVE
FairOver: UNNAMED DRAIN. DITCH
0.01 MI N SAMUELSON, Winnebago, IL
Built 1965 Load: 22.7 t ADT: 300
TR 61
FairOver: THURMAN CRK.
0.8 MI E LORAINE, Adams, IL
Built 1969 Load: 23.0 t ADT: 100
TR 0085
FairOver: CROOKED CREEK
3.8 MI W GOLDEN, Adams, IL
Built 1970 Load: 23.0 t ADT: 50
CH 10/FAS 782
FairOver: AVERY BRANCH
3M S MULBERRY GROVE, Bond, IL
Built 1957 Load: 23.0 t ADT: 475
TR 41
FairOver: WALNUT DITCH
0.5 MI S OF WALNUT, Bureau, IL
Built 1967 Load: 23.0 t ADT: 200
E FAIRHAVEN ROAD
FairOver: LITTLE ROCK CREEK
5 MI SW CHADWICK, Carroll, IL
Built 1963 Load: 23.0 t ADT: 100
CH10-FAS 732
FairOver: S. FORK SANGAMON R.
7.75 M E MORRISONVIL, Christian, IL
Built 1956 Load: 23.0 t ADT: 450
TR-342
FairOver: CREEK
5.5 MI S CLAY CITY, Clay, IL
Built 1961 Load: 23.0 t ADT: 50
FAS 676(CH 5)
FairOver: W BR HURRICANE CREEK
.5 MI W HUTTON, Coles, IL
Built 1941 Load: 23.0 t ADT: 200
FAS 667(CH 7)
FairOver: DRAINAGE DITCH
1 MI W OF I-57, Coles, IL
Built 1970 Load: 23.0 t ADT: 3,550
IL 72 & UP RR
FairOver: HIGGINS CREEK
2.9 M W US 45, Cook, IL
Built 1931 Load: 23.0 t ADT: 31,500
US 6 (159TH)
FairOver: ALONG US 6 EB LANES
FROM I57 TO I294, Cook, IL
Built 1962 Load: 23.0 t ADT: 25,100
FAP-332 (ILL-1)
FairOver: BR LAMOTTE CREEK
3 MI S ILL-33, Crawford, IL
Built 1962 Load: 23.0 t ADT: 4,100
W. COUNTY LINE RD
FairOver: RICKELSON CREEK
1330N 00E, DeKalb, IL
Built 1956 Load: 23.0 t ADT: 475
TR 298
FairOver: STREAM
0.25 MI S OF HUNTER, Edgar, IL
Built 1940 Load: 23.0 t ADT: 75
TR 68
FairOver: EAST DONICA CREEK
1.5 MI NNE OF KANSAS, Edgar, IL
Built 1971 Load: 23.0 t ADT: 50
TR 21
FairOver: STREAM
0.75 MI W OF QUAKER, Edgar, IL
Built 1971 Load: 23.0 t ADT: 50
TR 231
FairOver: STREAM
3 MI NE VERMILION, Edgar, IL
Built 1974 Load: 23.0 t ADT: 50
PEACH ORCHARD TR 6
FairOver: THE BIG FOUR
930 E 1100N, Ford, IL
Built 1971 Load: 23.0 t ADT: 25
TR 46
FairOver: LARRY CREEK
6.0 S NAUVOO, Hancock, IL
Built 1969 Load: 23.0 t ADT: 50
TR 210
FairOver: HENDERSON CR
NW-25-T10NR4W, Henderson, IL
Built 1971 Load: 23.0 t ADT: 25
TR 340
FairOver: IROQUOIS RIVER
1.25 MI N. US 24, Iroquois, IL
Built 1912 Load: 23.0 t ADT: 200
TR-343
FairOver: Trib. to Mud Creek
3 MI E. ILL RTE 1, Iroquois, IL
Built 1965 Load: 23.0 t ADT: 50
Showing 4,951-5,000 of 27,743 bridges
Related
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.