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 192
GoodOver: MAIDS RUN
SE-12-T13NR3W, Mercer, IL
Built 2021 Load: 56.1 t ADT: 10
GRANGE RD
GoodOver: WALNUT CREEK
SE-27-T10NR5E, Peoria, IL
Built 1975 Load: 56.1 t ADT: 10
TR 18
GoodOver: TRIB TO BOAR CREEK
1 MI N-VILLA RIDGE, Pulaski, IL
Built 1987 Load: 56.1 t ADT: 150
Happ Road
GoodOver: Skokie River
0.5 Mi S of Winnetka, Cook, IL
Built 2017 Load: 56.4 t ADT: 3,700
WHEELER DRIVE
GoodOver: TINLEY CREEK
SEE REMARKS, Cook, IL
Built 1976 Load: 56.4 t ADT: 1,400
TR 9
GoodOver: Little Creek
4 Mi. NNE Ramsey, Fayette, IL
Built 2018 Load: 56.4 t ADT: 100
IL 9
GoodOver: W. Br. Drummer Creek
1.04 MI W OF IL 47, Ford, IL
Built 2013 Load: 56.4 t ADT: 1,500
IL 116 (FAP 681)
GoodOver: TRIB TO KELLY CREEK
0.5 MI E OF IL 115, Ford, IL
Built 2011 Load: 56.4 t ADT: 775
TR 245A
GoodOver: So Fork Vermilion Rv
4 Mi. S. of Chatswor, Livingston, IL
Built 2020 Load: 56.4 t ADT: 50
IL 255 SB
GoodOver: UPRR, KCSRR
0.25mi NW of Humbert Rd, Madison, IL
Built 2009 Load: 56.4 t ADT: 9,850
IL 160
GoodOver: SILVER CREEK
.6 MI S.OF GRANTFORK, Madison, IL
Built 2006 Load: 56.4 t ADT: 2,100
FAU 8998/SEMINARY
GoodOver: TRIB TO HONEY BR
1.0 MI N OF ALTON, Madison, IL
Built 1980 Load: 56.4 t ADT: 5,300
US 51 NB
GoodOver: SUGAR CREEK
0.8 M N OF ILL 9, McLean, IL
Built 2015 Load: 56.4 t ADT: 11,300
FAP 327 (US 50)
GoodOver: Big Muddy Creek
Clay-Richland Co. Ln, Richland, IL
Built 2017 Load: 56.4 t ADT: 4,000
COUNTY HIGHWAY 4
GoodOver: ZUMA CREEK
2 MI SW OF JOSLIN, Rock Island, IL
Built 1978 Load: 56.4 t ADT: 175
IL 1 US 150 (FAP 3
GoodOver: Norfolk Southern Railway
JUST S OF DANVILLE, Vermilion, IL
Built 2003 Load: 56.4 t ADT: 19,500
MULFORD ROAD
GoodOver: S BR KEITH CR
0.3 MI N RT 20, Winnebago, IL
Built 1971 Load: 56.4 t ADT: 21,600
ATWOOD ROAD
GoodOver: MCDONALD CREEK
AT MCMICHAEL ROAD, Winnebago, IL
Built 1976 Load: 56.4 t ADT: 2,050
FAS 2466/US 150
GoodOver: Tributary to Rock Creek
.6MI E CONGERVILLE, Woodford, IL
Built 2022 Load: 56.4 t ADT: 1,200
ARGO FAY RD
GoodOver: DRAINAGE
.06 MI W BIG CUT RD, Carroll, IL
Built 1994 Load: 56.7 t ADT: 1,600
I-70 (EB)
GoodOver: MILL CREEK
W MARSHALL, Clark, IL
Built 1968 Load: 56.7 t ADT: 11,700
IL 161
GoodOver: Crooked Crk Overflow
1 MI W CENTRALIA, Clinton, IL
Built 2018 Load: 56.7 t ADT: 6,100
17TH AVE
GoodOver: SALT CREEK
1.4 M S I-90, Cook, IL
Built 1999 Load: 56.7 t ADT: 9,200
I 24 WB
GoodOver: LITTLE CACHE CREEK
0.6 MI N ILL 146, Johnson, IL
Built 1971 Load: 56.7 t ADT: 10,650
FAI 39 RMP#15.90
GoodOver: CONVEYOR BELT/PVT RD
600 FT S OF US 6, LaSalle, IL
Built 1985 Load: 56.7 t ADT: 950
ILL 116
GoodOver: 5 MILE CREEK
2.23 MI E OF ILL 47, Livingston, IL
Built 2004 Load: 56.7 t ADT: 1,100
MASON HILL RD
GoodOver: STREAM
0.6 MI W CRYST LK RD, McHenry, IL
Built 1967 Load: 56.7 t ADT: 2,600
IL 16
GoodOver: E FK SHOAL CREEK
2.1M W SPRUCE-NOKOMI, Montgomery, IL
Built 2001 Load: 56.7 t ADT: 1,750
IL 100
GoodOver: WILSON CREEK
E EDGE BLUFF CITY, Schuyler, IL
Built 1999 Load: 56.7 t ADT: 525
TR153 BENSON RD
GoodOver: TRIB TO SPRING CREEK
400 FT W KENNEDY RD, Whiteside, IL
Built 2022 Load: 56.7 t ADT: 50
ILL 94
GoodOver: S FORK BEAR CREEK
1.6 S GOLDEN, Adams, IL
Built 1990 Load: 57.0 t ADT: 800
IL 83 (OAKTON ST)
GoodOver: HIGGINS CREEK
0.4 M W ELMHURST RD, Cook, IL
Built 1972 Load: 57.0 t ADT: 20,900
US 30 FAP 573
GoodOver: Somonauk Creek
1.34 mi e of IL 23, DeKalb, IL
Built 2016 Load: 57.0 t ADT: 3,100
FAP-328 (US-45)
GoodOver: RAMSEY CREEK
5.25 MI S ILL-37 JCT, Effingham, IL
Built 1977 Load: 57.0 t ADT: 3,150
ILL 9
GoodOver: WALL TOWN DR. DITCH
0.67 MI E OF ILL 115, Ford, IL
Built 2005 Load: 57.0 t ADT: 2,500
ILL 14
GoodOver: DRUMMOND BRANCH
2.4 MI E BENTON, Franklin, IL
Built 2008 Load: 57.0 t ADT: 1,850
IL 47
GoodOver: BLACKBERRY CREEK TRB
0.4 M S OF I-88, Kane, IL
Built 1971 Load: 57.0 t ADT: 9,300
FAP 325(IL 16)
GoodOver: Piasa Creek
1.9 mi E FAP10/IL111, Macoupin, IL
Built 2023 Load: 57.0 t ADT: 2,200
NOKOMIS RD
GoodOver: SHOAL CREEK
W. EDGE NOKOMIS, Montgomery, IL
Built 2004 Load: 57.0 t ADT: 850
DRAINAGE DICTH
GoodOver: CH 48 (303RD ST)
3.5 MI N HILLSDALE, Rock Island, IL
Built 1988 Load: 57.0 t ADT: 475
IL 104
GoodOver: PANTHER CREEK
.8 W AUBURN, Sangamon, IL
Built 2008 Load: 57.0 t ADT: 3,500
FAP 840 (IL 49)
GoodOver: Drainage Ditch
0.5 Mi. N. of US 136 (E), Vermilion, IL
Built 2022 Load: 57.0 t ADT: 1,700
TR 173
GoodOver: Drainage Ditch
1.5 Mi. S Keensburg, Wabash, IL
Built 2020 Load: 57.0 t ADT: 50
LOGISTICS PKWY
GoodOver: CREEK
.04MI N BLACKHAWK RD, Winnebago, IL
Built 2006 Load: 57.0 t ADT: 375
IL 140 & IL 127
GoodOver: Little Shoal Creek
0.5mi W Greenville, Bond, IL
Built 2009 Load: 57.3 t ADT: 4,350
TR 214
GoodOver: Trib Plow Hollow Creek
2 MI SW Tiskilwa, Bureau, IL
Built 2023 Load: 57.3 t ADT: 150
I- 57 SB RMP T 294
GoodOver: DIXIE CREEK
RAMP C OVER CREEK, Cook, IL
Built 2021 Load: 57.3 t
CHICAGO RD
GoodOver: INDIAN CREEK
4.5 MI S OF SHABBONA, DeKalb, IL
Built 1969 Load: 57.3 t ADT: 900
IL 64
GoodOver: RR - EJ&E AND UP
1.35 M W OF IL 59, DuPage, IL
Built 2012 Load: 57.3 t ADT: 31,700
HILL AVENUE
GoodOver: E. BR. DUPAGE RIV
N. IL 38 & W. IL 53, DuPage, IL
Built 2016 Load: 57.3 t ADT: 2,650
Showing 25,101-25,150 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.