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
HENRY RD - TR 311
PoorOver: PINE CREEK
8.0 M SW OF OREGON, Ogle, IL
Built 1982 Load: 31.4 t ADT: 50
CONGER ROAD
PoorOver: MILL CREEK
3 MI NW OF BYRON, Ogle, IL
Built 1987 Load: 31.4 t ADT: 250
TR 348 AGG SURF RO
PoorOver: HONEY CREEK
2 MI W 1.5 MI S TIME, Pike, IL
Built 1981 Load: 31.4 t ADT: 25
OTTEN RD/ TR 107
PoorOver: HICKMAN CREEK
0.2 MI E WAGNER RD, St. Clair, IL
Built 1978 Load: 31.4 t ADT: 250
TR-589
PoorOver: FOUR MILE CREEK
2MI SW OF WAYNE CITY, Wayne, IL
Built 1979 Load: 31.4 t ADT: 100
I- 80 EB
PoorOver: DUPAGE RIVER
0.8 M W OF I-55, Will, IL
Built 1960 Load: 31.4 t ADT: 25,150
CUNNINGHAM RD
PoorOver: CN RR
0.5 MI E PIERPONT, Winnebago, IL
Built 1955 Load: 31.4 t ADT: 2,650
FAS 364 CH 13
PoorOver: WBR PANTHER CREEK
FRONT ST ROANOKE, Woodford, IL
Built 1981 Load: 31.4 t ADT: 1,200
TR 89
PoorOver: FLATVILLE DRAIN DIT
1 MI N FLATVILLE, Champaign, IL
Built 1975 Load: 31.8 t ADT: 25
CH 22-FAS 636
PoorOver: SANGAMON RIVER
2.3 MI N MT AUBURN, Christian, IL
Built 1969 Load: 31.8 t ADT: 600
HUMBOLDT DR
PoorOver: HUMBOLDT PK LAGOON
1400 N. & 3000 W., Cook, IL
Built 1953 Load: 31.8 t ADT: 13,700
FAS-96 (Somonauk R
PoorOver: Buck Br Somonauk Cr
110N , 1460E, DeKalb, IL
Built 1996 Load: 31.8 t ADT: 3,250
TR-123
PoorOver: DRAINAGE DITCH
2 MI ESE BONE GAP, Edwards, IL
Built 1909 Load: 31.8 t ADT: 25
TR 229A
PoorOver: ANOY CREEK
TR 229A OUER ANOY CK, Franklin, IL
Built 1986 Load: 31.8 t ADT: 125
TR-14 Nettle Crk R
PoorOver: Trib To Nettle Crk
0.21 MI S OF TR 13, Grundy, IL
Built 1977 Load: 31.8 t ADT: 100
FAP-849 (ILL-142)
PoorOver: STREAM
1.8 MI S MT VERNON, Jefferson, IL
Built 1928 Load: 31.8 t ADT: 3,650
CANYON RD
PoorOver: CLEAR CREEK
3.4 MI WEST ILL 78, Jo Daviess, IL
Built 1935 Load: 31.8 t ADT: 125
TR 158
PoorOver: SALT CREEK
5 MI S LINCOLN, Logan, IL
Built 1991 Load: 31.8 t ADT: 75
CH 18(SCHOOL RD)
PoorOver: FRIENDS CREEK
1.5 MI N ARGENTA, Macon, IL
Built 1977 Load: 31.8 t ADT: 200
FAS 773/ ALHAMBRA
PoorOver: SILVER CK
1.0MI N ALHAMBRA, Madison, IL
Built 1971 Load: 31.8 t ADT: 600
FAS-1824 (CH-27)
PoorOver: SIXMILE CREEK
1 MI W OF US 51, Perry, IL
Built 1900 Load: 31.8 t ADT: 1,000
IL 107
PoorOver: MIDDLE FORK MCKEE CR
.14M S 104, Pike, IL
Built 1956 Load: 31.8 t ADT: 775
I 57 NB & US 51 NB
PoorOver: LITTLE CREEK
1.5 MI S UNION CO, Pulaski, IL
Built 1964 Load: 31.8 t ADT: 6,900
ILL 89
PoorOver: CLEAR CREEK TRIB
2.79 MI N OF ILL 18, Putnam, IL
Built 1928 Load: 31.8 t ADT: 1,700
27TH ST.-MOLINE
PoorOver: STREAM
.19MI N JOHN DEER RD, Rock Island, IL
Built 1937 Load: 31.8 t ADT: 10,050
FAU 7030(TR 333)
PoorOver: GRAPE CREEK
E EDGE BELGIUM, Vermilion, IL
Built 1985 Load: 31.8 t ADT: 425
TR-147 (EAST ELM R
PoorOver: OTTER CREEK
6 MI E CHADWICK, Carroll, IL
Built 1975 Load: 32.1 t ADT: 50
TR 32
PoorOver: LOST CREEK
2 MI NE BEARDSTOWN, Cass, IL
Built 1968 Load: 32.1 t ADT: 75
FAP 725(EB)
PoorOver: Canadian National Railwa
W OF CHAMPAIGN, Champaign, IL
Built 1966 Load: 32.1 t ADT: 10,900
FAP 725 (WB)
PoorOver: CN Railwy & Copper Sloug
W OF CHAMPAIGN, Champaign, IL
Built 1966 Load: 32.1 t ADT: 10,900
TR 17
PoorOver: SANGAMON RIVER
4.5 MI NW FISHER, Champaign, IL
Built 1984 Load: 32.1 t ADT: 75
CH 6-FAS 642
PoorOver: BRUSHY BRANCH
6.5 MI E TAYLORVILLE, Christian, IL
Built 1915 Load: 32.1 t ADT: 1,300
TR 189
PoorOver: CLEAR CREEK
3.5 MI S SICILY, Christian, IL
Built 1954 Load: 32.1 t ADT: 50
US 40(FAS 1707)
PoorOver: EMBARRAS RIVER
.7 MI W OF GREENUP, Cumberland, IL
Built 1950 Load: 32.1 t ADT: 1,800
SUYDAM ROAD
PoorOver: PAW PAW CREEK
180N 200E, DeKalb, IL
Built 1983 Load: 32.1 t ADT: 200
WALNUT ST
PoorOver: BIG CREEK
ON WALNUT E OF AVE F, Fulton, IL
Built 1970 Load: 32.1 t ADT: 850
TR70 SCOTTSCHOOL R
PoorOver: WEST FORK NETTLE CR
.18 MI S HOGE RD, Grundy, IL
Built 1981 Load: 32.1 t ADT: 225
TR 172 JUGTOWN RD
PoorOver: CLAYPOOL DRAIN DITCH
.11 MI S WHITETIE RD, Grundy, IL
Built 1986 Load: 32.1 t ADT: 900
HIGGINS RD TR-130
PoorOver: JOHNNY RUN
.41 MI N SPRING RD, Grundy, IL
Built 1977 Load: 32.1 t ADT: 125
TR 6A (WARREN)
PoorOver: CEDAR CREEK
E.CTR-25-T12NR4W, Henderson, IL
Built 1985 Load: 32.1 t ADT: 75
LASHER ROAD
PoorOver: WELCH CREEK
2.0 MI SW KANEVILLE, Kane, IL
Built 1955 Load: 32.1 t ADT: 100
TR-173 (Scott Rd)
PoorOver: Malgren Drain
1.5 MI NW BIG ROCK, Kane, IL
Built 1978 Load: 32.1 t ADT: 175
FARNSWORTH AVE.
PoorOver: WAUBONSEE CR.TRIB.
0.6M.N.OF US-34, Kane, IL
Built 1989 Load: 32.1 t ADT: 3,300
CH 15 INDIAN HEAD
PoorOver: MAIN DITCH
1.0 MI S VAN PETTEN, Lee, IL
Built 1966 Load: 32.1 t ADT: 275
DRY GULCH RD
PoorOver: TRIB OF GREEN RIVER
1.2 MI S MORMAN RD, Lee, IL
Built 1979 Load: 32.1 t ADT: 225
IL 111
PoorOver: MCT trail,UPRR,abandon R
0.25 mi N of IL 162, Madison, IL
Built 1940 Load: 32.1 t ADT: 8,850
TODD SCHOOL ROAD
PoorOver: COPPERAS CREEK
E 1/2-5-TIMBER TWP, Peoria, IL
Built 2003 Load: 32.1 t ADT: 225
203SB RMP TO 55/70
PoorOver: DRNG TO CAHOKIA CNL
S of Gateway Racetrk, St. Clair, IL
Built 1960 Load: 32.1 t ADT: 7,600
ILL 15 & 4
PoorOver: KASKASKIA RIVER
0.2 M E JCT ILL 4, St. Clair, IL
Built 1946 Load: 32.1 t ADT: 3,600
FREEBURG TWP.TR 20
PoorOver: DRUM HILL BR
1.0 MI W ILL. 4, St. Clair, IL
Built 1966 Load: 32.1 t ADT: 75
Showing 27,101-27,150 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.