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
127TH ST BURR OAK
FairOver: STONY CREEK
2 M E IL 50, Cook, IL
Built 1968 Load: 54.8 t ADT: 20,900
I- 94 EB
FairOver: THORN CREEK
I-94 RAMP @ I-80, Cook, IL
Built 2006 Load: 54.8 t ADT: 36,750
WILSON DR
FairOver: SHARED USE PATH
4640 N & 550 W, Cook, IL
Built 1936 Load: 54.8 t ADT: 850
I-294 NB
FairOver: C&NW RR
0.4 M S US 20 P20, Cook, IL
Built 1958 Load: 54.8 t ADT: 75,250
ILL 108
FairOver: TRIB TO BEAR CREEK
3.0 M W OF ILL 267, Greene, IL
Built 1932 Load: 54.8 t ADT: 1,000
FAI 74EB
FairOver: HENDERSON CREEK
5.4 MI S HENRY CO LI, Knox, IL
Built 2015 Load: 54.8 t ADT: 8,150
TR 320
FairOver: TRIB TO FITCH CR
SW-24-T13NR4E, Knox, IL
Built 1986 Load: 54.8 t ADT: 10
ILL 38
FairOver: FRANKLIN CREEK
.6 MI W FRANKLIN GR, Lee, IL
Built 1955 Load: 54.8 t ADT: 2,600
FAI 72 EB
FairOver: N FK MAUVAISE TERRE
1.1MI E I72/BUS I72, Morgan, IL
Built 1975 Load: 54.8 t ADT: 7,250
FAI 72 WB
FairOver: N FK MAUVAISE TERRE
1.1MI E I72/BUS I72, Morgan, IL
Built 1975 Load: 54.8 t ADT: 7,250
FAU 8193 CLAY ST.
FairOver: TOWN BROOK
ON S.CLAY AT BROOK, Morgan, IL
Built 1973 Load: 54.8 t ADT: 3,850
MAPLE RIDGE ROAD
FairOver: LITTLE LAMARSH CR
SW1/4 13 TIMBER TWP, Peoria, IL
Built 1978 Load: 54.8 t ADT: 350
US 136(FAP 709)
FairOver: MIDDLE FORK RIVER
1.8 MI W ILL 49, Vermilion, IL
Built 1928 Load: 54.8 t ADT: 1,550
IL 135
FairOver: JOHNS CREEK
1.5 MI S.LITTLE YORK, Warren, IL
Built 1999 Load: 54.8 t ADT: 1,150
TR-296
FairOver: DRY FORK
7.7 MI N SIMS, Wayne, IL
Built 1965 Load: 54.8 t ADT: 50
CROCKETT ROAD
FairOver: UNNAMED CREEK
0.5 MI N BURR OAK RD, Winnebago, IL
Built 1968 Load: 54.8 t ADT: 950
CH-12
FairOver: ELM CREEK
3.5 MI SE FLORA, Clay, IL
Built 1974 Load: 55.1 t ADT: 100
I- 94 SB BISHOP FO
FairOver: RR - NS & WOODLAWN A
1.7 M SE I-57, Cook, IL
Built 1960 Load: 55.1 t ADT: 66,250
WASHINGTON AVE
FairOver: SALT CREEK
1.5 M E US 45, Cook, IL
Built 1936 Load: 55.1 t ADT: 4,450
I-57 (NB)
FairOver: CNRL RR/BIKE TR
ARCOLA, Douglas, IL
Built 1968 Load: 55.1 t ADT: 10,150
I-57 (SB)
FairOver: CNRL RR/BIKE TR
ARCOLA, Douglas, IL
Built 1968 Load: 55.1 t ADT: 10,150
IL 56
FairOver: SALT CREEK
.3 M NE OF IL 38, DuPage, IL
Built 1964 Load: 55.1 t ADT: 21,100
FAP777 - IL 185
FairOver: HURRICANE CREEK
.3MI SE MONT CO LINE, Fayette, IL
Built 2003 Load: 55.1 t ADT: 1,700
ILL 34
FairOver: M FORK B MUDDY RIVER
2.2 MI E BENTON, Franklin, IL
Built 1957 Load: 55.1 t ADT: 3,650
US 136 / IL 100
FairOver: STREAM
WEST OF JCT ILL 100, Fulton, IL
Built 1976 Load: 55.1 t ADT: 1,700
ILL 94
FairOver: HENDERSON OVERFLOW
1 MI S BALD BLUFF, Henderson, IL
Built 1934 Load: 55.1 t ADT: 275
I 74
FairOver: STREAM
0.9 MI E ROCK IS. CO, Henry, IL
Built 1962 Load: 55.1 t ADT: 15,000
ILL 49
FairOver: SPRING CREEK
2.47 MI N OF US 24, Iroquois, IL
Built 1961 Load: 55.1 t ADT: 2,300
IL 31
FairOver: RR - CN
3.2 M S OF US 20, Kane, IL
Built 1955 Load: 55.1 t ADT: 6,250
FAI 74WB
FairOver: HENDERSON CREEK
5.4 MI S HENRY CO LI, Knox, IL
Built 2015 Load: 55.1 t ADT: 8,150
MONTGOMERY RD
FairOver: W FK N BR CHGO RIVER
.3 M E 94 1.5 M S 22, Lake, IL
Built 1965 Load: 55.1 t ADT: 20
OLD RT 66 FAS 294
FairOver: ROOKS CR
4.45 MI S ILL 116, Livingston, IL
Built 1939 Load: 55.1 t ADT: 3,400
IL 111
FairOver: PIASA CR BRANCH
.8M S IL 16, Macoupin, IL
Built 1930 Load: 55.1 t ADT: 4,200
HEURMANN ROAD-TR 2
FairOver: BR.COPPERAS CREEK
NW COR33 T8NR6E, Peoria, IL
Built 1984 Load: 55.1 t ADT: 50
IL Route 14
FairOver: Reese Creek
3.7mi E of US 51, Perry, IL
Built 2012 Load: 55.1 t ADT: 3,550
CH-2
FairOver: COON CREEK
4 MI E WAKEFIELD, Richland, IL
Built 1947 Load: 55.1 t ADT: 75
US 24
FairOver: TP&W RR
W OF EUREKA, Tazewell, IL
Built 1994 Load: 55.1 t ADT: 5,400
TR-372
FairOver: MARTIN CREEK
0.5 MI W GEFF, Wayne, IL
Built 1972 Load: 55.1 t ADT: 35
FAP 328/ US 45
FairOver: LUCAS CREEK
.2 MI S EFFINGHAM CL, Clay, IL
Built 2010 Load: 55.4 t ADT: 2,750
ILL 100
FairOver: ELSAH CREEK
AT ELSAH, Jersey, IL
Built 1961 Load: 55.4 t ADT: 4,150
EASTPORT PLAZA DR
FairOver: SCHOOL HOUSE BRANCH
.05 S OF SA 30, Madison, IL
Built 1963 Load: 55.4 t ADT: 3,000
I-39 & US 51
FairOver: STREAM
0.25 MI N OF IL 72, Ogle, IL
Built 1981 Load: 55.4 t ADT: 32,800
US ROUTE 6
FairOver: SCHAFFER CREEK
1 MI W HENRY CO., Rock Island, IL
Built 2014 Load: 55.4 t ADT: 6,200
FAP 774 (IL 128)
FairOver: KASKASKIA RIVER
1 MI SE OF COWDEN, Shelby, IL
Built 1976 Load: 55.4 t ADT: 2,700
FAP-332 (ILL-1)
FairOver: RACCOON CREEK
3 MI N ALLENDALE, Wabash, IL
Built 1957 Load: 55.4 t ADT: 1,850
HOFF RD
FairOver: PRAIRIE CREEK
2 M W OF US 52, Will, IL
Built 1942 Load: 55.4 t ADT: 600
IL 26 FAS 2245
FairOver: STREAM
1 MI SE FAI 180, Bureau, IL
Built 1935 Load: 55.7 t ADT: 625
ILL 94
FairOver: DIXSON CREEK
0.24 M N STRONGHURST, Henderson, IL
Built 2012 Load: 55.7 t ADT: 1,350
ILL 94 & 116
FairOver: WOLF CR
2.8 MI N STRONGHURST, Henderson, IL
Built 2012 Load: 55.7 t ADT: 1,400
IL 82
FairOver: CREEK
.14MI S OF 300N, Henry, IL
Built 1933 Load: 55.7 t ADT: 350
Showing 13,601-13,650 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.