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
BLISS ROAD
GoodOver: BLACKBERRY CREEK
1.0 MI N SUGAR GROVE, Kane, IL
Built 2017 Load: 51.2 t ADT: 7,100
IL 167
GoodOver: Trib to Cadwell Cr
0.55 mi w of IL 180, Knox, IL
Built 2019 Load: 51.2 t ADT: 600
CH 53 E
GoodOver: TRIB TO LAKE FORK
2 M E BROADWELL, Logan, IL
Built 2010 Load: 51.2 t ADT: 300
IL 173
GoodOver: PISCASAW CREEK
2 M E OF CNTY LINE, McHenry, IL
Built 2007 Load: 51.2 t ADT: 4,550
ILL 71
GoodOver: COFFEE CREEK
5.14 MI W OF ILL 89, Putnam, IL
Built 1977 Load: 51.2 t ADT: 3,600
RALEIGH RD
GoodOver: ELDORADO RES'R SPWAY
1.25 MI E RALEIGH, Saline, IL
Built 2009 Load: 51.2 t ADT: 2,250
IL 34-FAP 869
GoodOver: MIDDLE FORK SALINE R
1.7 MI E FRANKLIN CO, Saline, IL
Built 2002 Load: 51.2 t ADT: 2,100
ILL 106
GoodOver: TRIB LITTLE SANDY CR
1.5 MI S ALSEY, Scott, IL
Built 2001 Load: 51.2 t ADT: 1,150
DRAPER STREET
GoodOver: SPRING CREEK
0.1 M N OF US 6, Will, IL
Built 1998 Load: 51.2 t ADT: 3,700
IL 125
GoodOver: TRIB TO LOST CREEK
3.5 M E BLUFFS RD, Cass, IL
Built 2009 Load: 51.5 t ADT: 3,500
ASHLAND AVE
GoodOver: LITTLE CAL RIVER
0.01 M N Thornton Rd, Cook, IL
Built 1930 Load: 51.5 t ADT: 9,900
FAU 8324
GoodOver: STREAM
ROBINSON, Crawford, IL
Built 2001 Load: 51.5 t ADT: 4,150
INTERSTATE 57 SB
GoodOver: UP RR
S OF SCL WEST CITY, Franklin, IL
Built 2013 Load: 51.5 t ADT: 18,600
INTERSTATE 57 NB
GoodOver: UP RR
S OF SCL WEST CITY, Franklin, IL
Built 2013 Load: 51.5 t ADT: 18,600
IL 49 FAP 840
GoodOver: PIDGEON CREEK
16.12 MI S OF US 24, Iroquois, IL
Built 2008 Load: 51.5 t ADT: 2,100
IL 25
GoodOver: NORTON CREEK
2.2 M N OF IL 64, Kane, IL
Built 1967 Load: 51.5 t ADT: 9,600
US 150
GoodOver: BNSF RR(063001F)
3 M SE GALESBURG, Knox, IL
Built 2018 Load: 51.5 t ADT: 3,850
IL 60
GoodOver: SQUAW CREEK
AT NW OF PETERSON RD, Lake, IL
Built 1978 Load: 51.5 t ADT: 9,800
CH 11
GoodOver: Trib to Raccoon Crk
6 Mi SW Bridgeport, Lawrence, IL
Built 2021 Load: 51.5 t ADT: 25
TR 4A
GoodOver: DIAMOND CREEK
2285 N, 100 E, Livingston, IL
Built 2009 Load: 51.5 t ADT: 25
TR 30A(STRAWN RD)
GoodOver: WILLOW BRANCH
3.25 MI NE NIANTIC, Macon, IL
Built 2021 Load: 51.5 t ADT: 50
FAU 7374 (CENTER S
GoodOver: STEVENS CREEK
1.5 MI W OF FAU 7429, Macon, IL
Built 2021 Load: 51.5 t ADT: 550
TR 123
GoodOver: Trib to Silver Ck
2 Mi N. Alhambra, Madison, IL
Built 2022 Load: 51.5 t ADT: 75
I-90 WB
GoodOver: COON CREEK
0.5 MI E ANTHONY RD, McHenry, IL
Built 2013 Load: 51.5 t ADT: 28,500
I-90 EB
GoodOver: COON CREEK
0.5 MI E/ ANTHONY RD, McHenry, IL
Built 2013 Load: 51.5 t ADT: 28,500
US ROUTE 150
GoodOver: COAL CREEK
1.4 MI SE JCT US 6, Rock Island, IL
Built 2005 Load: 51.5 t ADT: 9,250
ILL 145-FH 12
GoodOver: TRIB-BATTLEFORD CR
0.6 MI N OF POPE CO, Saline, IL
Built 1948 Load: 51.5 t ADT: 1,600
IL 4
GoodOver: LITTLE MUD CREEK
0.3 M SOUTH IL 15, St. Clair, IL
Built 1994 Load: 51.5 t ADT: 2,400
IL 4
GoodOver: LITTLE MUD CREEK
.8 M N JCT DRMSDT RD, St. Clair, IL
Built 2012 Load: 51.5 t ADT: 2,400
ORANGEVILLE RD.
GoodOver: RICHLAND CREEK
ORANGEVILLE, Stephenson, IL
Built 1959 Load: 51.5 t ADT: 1,450
FAP 821 (IL 15)
GoodOver: DRY FORK
1.75 MI E SIMS RD, Wayne, IL
Built 2017 Load: 51.5 t ADT: 3,250
IL 172
GoodOver: BRANCH DITCH
2 MI. N. OF TAMPICO, Whiteside, IL
Built 1994 Load: 51.5 t ADT: 950
TR 4C
GoodOver: BURKETT HOLLOW
3 MI W GERMANTOWN, Woodford, IL
Built 1983 Load: 51.5 t ADT: 500
A-3 ROAD
GoodOver: PIGEON CREEK
0.5 MI NW OF HDQRTRS, Williamson, IL
Built 1990 Load: 51.7 t ADT: 400
FAP 322 (US 51)
GoodOver: Ditch
0.9 mi N IL 16, Christian, IL
Built 2019 Load: 51.8 t ADT: 3,600
ILL 161
GoodOver: SUGAR CREEK
4 M E NEW BADEN, Clinton, IL
Built 2010 Load: 51.8 t ADT: 4,500
IL 47 FAP 326
GoodOver: SARATOGA CREEK
0.38 MI N/NELSON RD, Grundy, IL
Built 2016 Load: 51.8 t ADT: 6,900
ILL RT 92
GoodOver: PENNY SLOUGH
1.0 MI W JCT ILL 82, Henry, IL
Built 1934 Load: 51.8 t ADT: 2,200
STEARNS RD WB
GoodOver: N ARM BREWSTER CRK
0.3 MI W OF IL 25, Kane, IL
Built 2010 Load: 51.8 t ADT: 15,400
FAS2258, CH21
GoodOver: FOX RIVER
E 2153,N 3440, LaSalle, IL
Built 1960 Load: 51.8 t ADT: 800
BUCHTA ROAD/TR 153
GoodOver: TRIB TO INDIAN CREEK
4.0 M NW EDWARDSVLL, Madison, IL
Built 1984 Load: 51.8 t ADT: 1,300
CHARLES RD
GoodOver: SILVER CR
0.6 M NW OF ILL 47, McHenry, IL
Built 1978 Load: 51.8 t ADT: 6,500
FEAZEL RD
GoodOver: PANKEY BRANCH
@ US 45 INTERSECTION, Saline, IL
Built 2021 Load: 51.8 t ADT: 750
LEWIS RD
GoodOver: BRUSHY CREEK
2 MI NW HARRISBUG, Saline, IL
Built 2017 Load: 51.8 t ADT: 25
TR 112B
GoodOver: STREAM
5.4 MI SE TOWER HILL, Shelby, IL
Built 2013 Load: 51.8 t ADT: 75
CH 32(FAS 1507)
GoodOver: HUNGRY HOLLOW CREEK
3 MI NW DANVILLE, Vermilion, IL
Built 1968 Load: 51.8 t ADT: 675
TR 243
GoodOver: Locust Creek
4 Mi S of Nashville, Washington, IL
Built 2021 Load: 51.8 t ADT: 225
IL 1
GoodOver: LICK CREEK
3 MI S BROWNSVILLE, White, IL
Built 2021 Load: 51.8 t ADT: 3,250
US 20 W B
GoodOver: E CHANNEL ROCK RIV
.7 MI E OF ILL 2, Winnebago, IL
Built 2015 Load: 51.8 t ADT: 32,000
PERRYVILLE RD
GoodOver: UNNAMED CREEK
0.03MI N OF IL 173, Winnebago, IL
Built 2004 Load: 51.8 t ADT: 7,800
Showing 24,851-24,900 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.