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
TR 38
PoorOver: PRAIRIE CK
4 S 3 MI E SAN JOSE, Logan, IL
Built 1954 Load: 25.3 t ADT: 50
LONG CR RD(MS 5000
PoorOver: LONG CREEK
CITY OF LONG CREEK, Macon, IL
Built 1969 Load: 25.3 t ADT: 1,250
THAYER ROAD
PoorOver: NIPPERSINK CREEK
0.3 MI W OF IL 47, McHenry, IL
Built 1975 Load: 25.3 t ADT: 800
ILL 9
PoorOver: STREAM
15 MI E OF BISN 55, McLean, IL
Built 1925 Load: 25.3 t ADT: 2,100
MS-1070 Seward St
PoorOver: Ditch
HILLSBORO, Montgomery, IL
Built 1920 Load: 25.3 t ADT: 1,350
ILL 8
PoorOver: TRIB OF KICKAPOO CR
IN POTTSTOWN, Peoria, IL
Built 1991 Load: 25.3 t ADT: 1,650
SWITZER ROAD
PoorOver: BR.OF KICKAPOO CREEK
ELINENE1/4 4T9NR6E, Peoria, IL
Built 1983 Load: 25.3 t ADT: 100
CH 18
PoorOver: MUD CREEK
1.8 MI W OF HENTON, Shelby, IL
Built 1961 Load: 25.3 t ADT: 250
BLUE GOOSE RD
PoorOver: DEER CREEK
6 MI S.E. MORRISON, Whiteside, IL
Built 1972 Load: 25.3 t ADT: 25
MADISON ST
PoorOver: MILNE CRK
BET. 7TH E8TH STREET, Will, IL
Built 1978 Load: 25.3 t ADT: 1,900
TR 63
PoorOver: DRY FORK
4M N OLD RIPLEY, Bond, IL
Built 1978 Load: 25.6 t ADT: 50
TOWNSHIP ROAD 317
PoorOver: BR OF BUREAU CREEK
1.5 M NW TISKILWA, Bureau, IL
Built 1979 Load: 25.6 t ADT: 50
FAU 7123(IL 10)
PoorOver: COPPER SLOUGH
W EDGE OF CHAMPAIGN, Champaign, IL
Built 1940 Load: 25.6 t ADT: 12,100
TR 255
PoorOver: STREAM
3.0 MI W PHILO, Champaign, IL
Built 1982 Load: 25.6 t ADT: 300
ILL 115
PoorOver: DRAINAGE DITCH
3.66 MI S OF ILL 116, Ford, IL
Built 1981 Load: 25.6 t ADT: 675
CLARENCE RD FAS 5
PoorOver: SUGAR CREEK
240N,2600E, Ford, IL
Built 1959 Load: 25.6 t ADT: 250
CH19 PIPER THAWVIL
PoorOver: N FK VERMILION RIVER
2320N 1700E, Ford, IL
Built 1976 Load: 25.6 t ADT: 75
TR159A STONEWALL R
PoorOver: TRIB E FK MAZON RIV
0.30 MI W OF CH-16, Grundy, IL
Built 1974 Load: 25.6 t ADT: 50
NORTHERN AVE
PoorOver: NETTLE CREEK
NORT AVE OV NETTLE C, Grundy, IL
Built 1969 Load: 25.6 t ADT: 700
2ND STREET
PoorOver: RAILROAD CREEK
CITY OF HAMILTON, Hancock, IL
Built 1974 Load: 25.6 t ADT: 150
TR 263
PoorOver: TRIB TO SPOON RIVER
NW-24-T10NR3E, Knox, IL
Built 1983 Load: 25.6 t ADT: 50
MS-1130 (JUDSON AV
PoorOver: RAVINE
.1 E C&NW 1 M N CO L, Lake, IL
Built 1963 Load: 25.6 t ADT: 300
TR-332
PoorOver: COVEL CREEK
E 20TH N 2440, LaSalle, IL
Built 1970 Load: 25.6 t ADT: 50
TR-263
PoorOver: RACCOON CREEK
6.25 MI S BRIDGEPORT, Lawrence, IL
Built 1995 Load: 25.6 t ADT: 50
US RTE 24
PoorOver: STREAM
2.8 M W OF ILL 115, Livingston, IL
Built 1951 Load: 25.6 t ADT: 2,150
NEW HOLLAND-SAN JO
PoorOver: PRAIRIE CK
4 MI N NEW HOLLAND, Logan, IL
Built 1961 Load: 25.6 t ADT: 150
MS-3020 Center St
PoorOver: Stream
.7MI SW ROBERTS RD, McHenry, IL
Built 1991 Load: 25.6 t ADT: 575
SB ILL 6
PoorOver: HOERR'S POND
0.7 MI N OF US 150, Peoria, IL
Built 1981 Load: 25.6 t ADT: 21,100
TR 56
PoorOver: STREAM
2.0 MI SW MONTICELLO, Piatt, IL
Built 1969 Load: 25.6 t ADT: 50
OLD US 36
PoorOver: WALNUT CREEK
1 MI N WINCHESTER, Scott, IL
Built 1940 Load: 25.6 t ADT: 2,750
TR 209
PoorOver: E. BUREAU CR.
1 MI. S. OF MALDEN, Bureau, IL
Built 1960 Load: 25.9 t ADT: 150
TR 94
PoorOver: STREAM
0.2 MI N OF RISING, Champaign, IL
Built 1932 Load: 25.9 t ADT: 1,300
FAU 7200(PERKINS R
PoorOver: SALINE BRANCH DITCH
NE EDGE OF URBANA, Champaign, IL
Built 1977 Load: 25.9 t ADT: 1,450
TR 64
PoorOver: SANGAMON RIVER
4 MI N FISHER, Champaign, IL
Built 1980 Load: 25.9 t ADT: 50
FAU-1405 (Lake St)
PoorOver: S BR CHICAGO RIV
356 W LAKE ST, Cook, IL
Built 1916 Load: 25.9 t ADT: 10,250
VAN BUREN ST
PoorOver: ADDISON CR
0.7 M E US 45, Cook, IL
Built 1928 Load: 25.9 t ADT: 450
ADAMS ST
PoorOver: ADDISON CR
0.72 M E MANHEIM P20, Cook, IL
Built 1928 Load: 25.9 t ADT: 150
30TH AVE
PoorOver: ADDISON CR
0.7 M E. US 45, Cook, IL
Built 1928 Load: 25.9 t ADT: 150
GAYNELLE RD
PoorOver: MIDLOTHIAN CR
6200W-16900S P3, Cook, IL
Built 1968 Load: 25.9 t ADT: 325
TR 61 A
PoorOver: CRABAPPLE CREEK
1 MI E OF CHRISMAN, Edgar, IL
Built 1960 Load: 25.9 t ADT: 275
HEITZ RD - TR 459
PoorOver: OTTER CREEK
E1/2-21-T4NR1E, Fulton, IL
Built 1955 Load: 25.9 t ADT: 50
SBI 13 (UNMARKED)
PoorOver: CYPRESS DITCH
0.1 MI N OF JUNCTION, Gallatin, IL
Built 1940 Load: 25.9 t ADT: 10
US 6
PoorOver: CSX Railroad
5.27 E OF ROUTE 47, Grundy, IL
Built 1974 Load: 25.9 t ADT: 7,050
PRAIRIE RD TR-123A
PoorOver: MURRAY RUN
.27 MI E DWIGHT RD, Grundy, IL
Built 1976 Load: 25.9 t ADT: 75
FAP-853 (ILL-14)
PoorOver: BEAR CREEK
.5 MI W MCLEANSBORO, Hamilton, IL
Built 1923 Load: 25.9 t ADT: 3,200
TR 7
PoorOver: CAMP CREEK
2.5 SE DALLAS CITY, Hancock, IL
Built 1962 Load: 25.9 t ADT: 100
TR 83A
PoorOver: WILDCAT CREEK
5.0 MI SW LAHARPE, Hancock, IL
Built 1970 Load: 25.9 t ADT: 75
TR 352
PoorOver: TRIB MUD CR
2MIW.5MIS GREER, Iroquois, IL
Built 1967 Load: 25.9 t ADT: 50
W COUNCIL HILL ROA
PoorOver: E FK OF GALENA RIVER
5 MI NE OF GALENA, Jo Daviess, IL
Built 1940 Load: 25.9 t ADT: 275
SCHAFER RD
PoorOver: ROB ROY CK
BY ELDAMAIN RD, Kendall, IL
Built 1978 Load: 25.9 t ADT: 1,000
Showing 26,651-26,700 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.