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
I 57 SB
FairOver: PROGRESSIVE RAIL
IN MARION, Williamson, IL
Built 2009 Load: 59.0 t ADT: 15,400
FAP 322 (US 51)
FairOver: RICHLAND CREEK
4 MI S US 40, Fayette, IL
Built 2009 Load: 59.3 t ADT: 3,000
PAW PAW RD
FairOver: STEWARD CREEK
0.5 MI S PERRY RD, Lee, IL
Built 1964 Load: 59.3 t ADT: 100
FAS 1488/OLD RT 66
FairOver: TIMBER CREEK
4.5 MI NE OF US 136, McLean, IL
Built 2015 Load: 59.3 t ADT: 1,200
MAHER ROAD
FairOver: BRANCH SPOON RIVER
SW QTR 6 T11N R6E, Peoria, IL
Built 1965 Load: 59.3 t ADT: 50
Arsenal Rd
FairOver: Exxon Pipeline Under
.48M E OF IL55, Will, IL
Built 1971 Load: 59.3 t ADT: 11,000
FAI 90 S B
FairOver: DRY CREEK
1.0 MI SOUTH RT 75, Winnebago, IL
Built 2012 Load: 59.3 t ADT: 25,500
IL 96
FairOver: FRAZIER CREEK
.9M N US 24, Adams, IL
Built 1971 Load: 59.6 t ADT: 4,300
IL 58 EVANSTON-EL
FairOver: WELLER'S CREEK
0.2 M E MT PROSPECT, Cook, IL
Built 1928 Load: 59.6 t ADT: 29,700
CLARENDON HILLS RD
FairOver: SAWMILL CREEK
0.3 MI N I-55, DuPage, IL
Built 1963 Load: 59.6 t ADT: 5,250
ILL 100
FairOver: SEAHORNE BRANCH
2.25 MI N MARBLETOWN, Fulton, IL
Built 1936 Load: 59.6 t ADT: 550
IL 47
FairOver: BLACKBERRY CK.
1 M N OF US 34, Kendall, IL
Built 1994 Load: 59.6 t ADT: 15,300
FAS-1808 (SBI-12)
FairOver: ALLISON DITCH NO 1
4.5 MI E LAWRENCEVIL, Lawrence, IL
Built 1992 Load: 59.6 t ADT: 2,450
HARRISON ROAD
FairOver: STREAM
.9 MI N OF ILL 75, Winnebago, IL
Built 1973 Load: 59.6 t ADT: 350
I-57(SB)
FairOver: PHINNEY BRANCH
SW OF CHAMPAIGN, Champaign, IL
Built 1963 Load: 59.9 t ADT: 12,900
I-57(NB)
FairOver: PHINNEY BRANCH
SW OF CHAMPAIGN, Champaign, IL
Built 1963 Load: 59.9 t ADT: 12,900
I-74
FairOver: MADDEN CREEK TRIB
0.8 MI E MANSFIELD, Piatt, IL
Built 1971 Load: 59.9 t ADT: 22,800
I-57
FairOver: KICKAPOO CREEK
1.0 MI SE OF MATTOON, Coles, IL
Built 1965 Load: 60.3 t ADT: 19,800
I- 57 SB
FairOver: ABANDONED RR
0.5 M S US 30, Cook, IL
Built 1966 Load: 60.3 t ADT: 32,050
I- 57 NB
FairOver: ABANDONED RR
0.5 M S US 30, Cook, IL
Built 1966 Load: 60.3 t ADT: 32,050
IL 9
FairOver: LAHARPE CREEK
3.8M E IL 94,LAHARPE, Hancock, IL
Built 2011 Load: 60.3 t ADT: 1,300
US20 EB
FairOver: LITTLE MENOMINEE RIV
4.8 MI W JCT ILL84, Jo Daviess, IL
Built 1965 Load: 60.3 t ADT: 10,900
US20 WB
FairOver: LITTLE MENOMINEE RIV
4.8 MI W JCT ILL84, Jo Daviess, IL
Built 1965 Load: 60.3 t ADT: 10,900
US 30
FairOver: 5 MILE BRANCH CREEK
2.5 MI. W. OF IL 26, Lee, IL
Built 1993 Load: 60.3 t ADT: 1,850
US 51 NB(FAP 710AL
FairOver: SPRING CREEK
0.3MI N PERSHING RD, Macon, IL
Built 1965 Load: 60.3 t ADT: 9,500
IL 161 - FAP 805
FairOver: TRIB TO RACCOON CRK
4.5 MI E CENTRALIA, Marion, IL
Built 1974 Load: 60.3 t ADT: 5,150
IL 32 (FAP 758)
FairOver: WEST OKAW RIVER
2 MI W OF LOVINGTON, Moultrie, IL
Built 2004 Load: 60.3 t ADT: 2,050
US RT 150
FairOver: COAL CREEK
E EDGE COAL VALLEY, Rock Island, IL
Built 2005 Load: 60.3 t ADT: 6,000
BUS 24
FairOver: FARM CREEK
PEORIA ST WASHINGTON, Tazewell, IL
Built 1992 Load: 60.3 t ADT: 10,300
BUSSE HIGHWAY
FairOver: PRAIRE CREEK
0.4 M SE US 14, Cook, IL
Built 1930 Load: 60.6 t ADT: 2,800
I-90 SKYWAY
FairOver: GROUND NW COMM AVE
0.03 M NW COMM AV, Cook, IL
Built 1958 Load: 60.6 t ADT: 28,700
FAP-777 (ILL-185)
FairOver: HURRICANE CR BRANCH
.5 MI SE MONT CO LN, Fayette, IL
Built 1935 Load: 60.6 t ADT: 1,700
ILL 95
FairOver: BNSF RR (063798L)
.5 MI E OF ILL 41, McDonough, IL
Built 2016 Load: 60.6 t ADT: 1,650
TR 253(DUMMERMUTH
FairOver: STREAM
2.7 MI NW MACON, Macon, IL
Built 1983 Load: 60.9 t ADT: 50
NEW IL 13
FairOver: TRIB TO BANKSTON FK
1.3 MI E SAL/WMSN CL, Saline, IL
Built 1996 Load: 60.9 t ADT: 7,600
US 67
FairOver: E FORK CRANE CR TRIB
4.7M S US24@RSHVILLE, Schuyler, IL
Built 1959 Load: 60.9 t ADT: 3,100
I-88 RAMP WB
FairOver: ELKHORN CREEK
5.10 MI W IL 40, Whiteside, IL
Built 1972 Load: 60.9 t ADT: 700
TORRENCE AV
FairOver: GRAND CALUMET
1.5 M N OF IL 83, Cook, IL
Built 2017 Load: 61.2 t ADT: 17,800
US 40(FAS 1707)
FairOver: STREAM
3.39 MI E OF GREENUP, Cumberland, IL
Built 1950 Load: 61.2 t ADT: 2,150
FAP 332 (IL 1)
FairOver: NORFOLK SOUTHERN RR
.75 MI. SW MT CARMEL, Wabash, IL
Built 2012 Load: 61.2 t ADT: 2,100
ILL 94
FairOver: HONEY CR
1.5 MI S STRONGHURST, Henderson, IL
Built 1932 Load: 61.6 t ADT: 1,350
IL 92
FairOver: PHENIX DITCH
1.3 MI. E. OF IL 82, Henry, IL
Built 1996 Load: 61.6 t ADT: 1,650
US RTE 52
FairOver: E BR AUX SABLE CR
6.5 MI E OF ILL 47, Kendall, IL
Built 2000 Load: 61.6 t ADT: 5,000
EAST LAKE SHORE DR
FairOver: ILLINOIS CENTRAL RR
.6M E I-55, Sangamon, IL
Built 1998 Load: 61.6 t ADT: 2,500
IL 53 SB
FairOver: PRAIRIE CREEK
4.0 M N OF IL 102, Will, IL
Built 1978 Load: 61.6 t ADT: 5,250
SPRINGFIELD AVE
FairOver: S BR KENT CREEK
700 FT.S CUNNINGHAM, Winnebago, IL
Built 2002 Load: 61.6 t ADT: 7,700
US 20 EB
FairOver: MENOMINEE RIVER
3.8 MI E JCT ILL 35, Jo Daviess, IL
Built 1964 Load: 61.9 t ADT: 9,450
US 20 WB
FairOver: MENOMINEE RIVER
3.8 MI E JCT ILL 35, Jo Daviess, IL
Built 1964 Load: 61.9 t ADT: 9,450
US 51-FAP 322
FairOver: DRURY CR-CNIC RR
2.7 MI S JACKSON CO, Union, IL
Built 2005 Load: 61.9 t ADT: 5,500
WEBER ROAD
FairOver: ROCK RUN CREEK
0.2 MI NE OF US30, Will, IL
Built 1984 Load: 61.9 t ADT: 21,000
Showing 13,751-13,800 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.