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
DUFFY LANE
GoodOver: W FK N BR CHICAGO RV
1.3 MI E CH 58, Lake, IL
Built 1958 Load: 32.4 t ADT: 1,350
WADSWORTH RD.
GoodOver: DESPLAINES RIVER
0.25M.E.OF US-41, Lake, IL
Built 1987 Load: 32.4 t ADT: 14,600
OAK KNOLLS RD.
GoodOver: FLINT CREEK
0.5M.N.LAKE COOK RD., Lake, IL
Built 1988 Load: 32.4 t
IL 120
GoodOver: DRAIN DITCH
.2 EAST OF GILMER RD, Lake, IL
Built 1993 Load: 32.4 t ADT: 26,300
KELSEY RD
GoodOver: FLINT CR
1 MI N OF IL 22, Lake, IL
Built 2006 Load: 32.4 t ADT: 11,100
HUNT CLUB RD
GoodOver: MILL CREEK
2M N OF IL132, Lake, IL
Built 2006 Load: 32.4 t ADT: 10,250
MILLBURN ROAD
GoodOver: NORTH MILL CREEK
0.4 MI E OF US45, Lake, IL
Built 2007 Load: 32.4 t ADT: 9,000
ROLLINS ROAD
GoodOver: MILL CREEK
1.1 MI. W. OF US 45, Lake, IL
Built 1991 Load: 32.4 t ADT: 22,200
MILLER ROAD
GoodOver: STONE CREEK
.3MI E OF IL 59, Lake, IL
Built 2013 Load: 32.4 t ADT: 4,800
KILBOURNE RD
GoodOver: DES PLAINES TRIB.
0.7M S OF STATE LINE, Lake, IL
Built 1954 Load: 32.4 t ADT: 2,450
GRANDWOOD DRIVE
GoodOver: MILL CREEK
0.2 MI N OF IL-132, Lake, IL
Built 1999 Load: 32.4 t ADT: 1,450
MS-52 (Hubbard Lan
GoodOver: Bruce Tributary
0.1 MI S CHV77, Lake, IL
Built 2017 Load: 32.4 t ADT: 375
EASTWAY DRIVE
GoodOver: MUTTON CREEK
S OF BURNETT RD, Lake, IL
Built 1995 Load: 32.4 t ADT: 1,150
W. Concord Court
GoodOver: Unnamed Creek
0.15 M W of CHY W26, Lake, IL
Built 2011 Load: 32.4 t ADT: 35
Cuba & Merry Oaks
GoodOver: Flint Creek
0.25 Mi S OF US14, Lake, IL
Built 2016 Load: 32.4 t ADT: 575
ELM AVE
GoodOver: FLINT CREEK TRIB
.1 M N 14,.3 M E 59, Lake, IL
Built 1991 Load: 32.4 t ADT: 225
BUSCH PKWY.
GoodOver: APTAKISIC CREEK
0.3M.W.MILWAUKEE AVE, Lake, IL
Built 1984 Load: 32.4 t ADT: 2,850
CENTRAL STREET
GoodOver: W FRK N BR CHGO RIV
.9 M E 94 2.3 M S 22, Lake, IL
Built 2011 Load: 32.4 t ADT: 1,550
MOFFETT RD
GoodOver: DRAINAGE RAVINE
0.56 MI N SHERIDAN, Lake, IL
Built 2006 Load: 32.4 t ADT: 300
EVERETT-OLD ELM RD
GoodOver: N.BR.CHICAGO RIVER
0.5M.E.OF IL-43, Lake, IL
Built 1987 Load: 32.4 t ADT: 575
WESTLEIGH AVE
GoodOver: E BR SKOKIE DITCH
.4 M E OF US41, Lake, IL
Built 2001 Load: 32.4 t ADT: 8,000
OLD ELM RD
GoodOver: SKOKIE RIV-E DRAIN D
0.3 MI E OF US 41, Lake, IL
Built 2008 Load: 32.4 t ADT: 5,600
Lake Street
GoodOver: Bull Creek
3000FT W of IL 21, Lake, IL
Built 2008 Load: 32.4 t ADT: 4,300
OAKWOOD ROAD
GoodOver: INDIAN CREEK
0.2 MI E.OF IL83, Lake, IL
Built 2014 Load: 32.4 t ADT: 475
HAZELNUT CROSSING
GoodOver: BULL CREEK
.2M W CH48, Lake, IL
Built 2005 Load: 32.4 t ADT: 50
PHILLIP ROAD
GoodOver: SEAVEY DRAIN DITCH
PHILLIP RD W LKVIEW, Lake, IL
Built 1989 Load: 32.4 t ADT: 3,050
Edward Road
GoodOver: Dutch Gap Canal
0.3 MI E of US 45, Lake, IL
Built 2020 Load: 32.4 t ADT: 400
IL 23 SB IN STREAT
GoodOver: PRAIRIE CREEK
14.30 MI S OF ILL 71, LaSalle, IL
Built 1965 Load: 32.4 t ADT: 7,700
IL 71
GoodOver: INTER STREAM
.27 MILE N US 6, LaSalle, IL
Built 1999 Load: 32.4 t ADT: 7,400
IL 178 FAS 1279
GoodOver: CLARK RUN
0.92 MI S OF US 6, LaSalle, IL
Built 2007 Load: 32.4 t ADT: 3,550
I-80 EB & WB
GoodOver: CLARK RUN CREEK
1.8 MI E JC I 80 178, LaSalle, IL
Built 2004 Load: 32.4 t ADT: 29,300
IL 178 FAS 1279
GoodOver: CREEK
2.25 MI S OF IL 71, LaSalle, IL
Built 2007 Load: 32.4 t ADT: 2,750
IL 178 FAS 1279
GoodOver: STREAM
0.60 MI S OF IL 71, LaSalle, IL
Built 2007 Load: 32.4 t ADT: 2,750
IL 71 FAP 311
GoodOver: INTERM. STREAM
2.57 MI N OF I-80, LaSalle, IL
Built 2008 Load: 32.4 t ADT: 5,600
IL 17 FAP 649
GoodOver: S BR MOON CREEK
0.8 MI E/OLD IL 179, LaSalle, IL
Built 2009 Load: 32.4 t ADT: 900
IL 71/FAP 619
GoodOver: UNNAMED TRIB.VERM RV
0.40 MI NE IL 251, LaSalle, IL
Built 2011 Load: 32.4 t ADT: 1,300
US 6 / FAP 623
GoodOver: creek
1.91 mi W of IL 170, LaSalle, IL
Built 2013 Load: 32.4 t ADT: 2,850
IL 170 FAP 786
GoodOver: Hog Run
5.93 mi S of US 6, LaSalle, IL
Built 2014 Load: 32.4 t ADT: 1,200
IL 170 FAP 786
GoodOver: Unnamed Creek
6.98 mi S of US 6, LaSalle, IL
Built 2014 Load: 32.4 t ADT: 1,200
CO HWY 43
GoodOver: PECUMSAGANCREEK
3 MI N OF UTICA ILL, LaSalle, IL
Built 1979 Load: 32.4 t ADT: 950
TR 270 E 1525TH
GoodOver: INDIAN CREEK
E 1525 N 4750, LaSalle, IL
Built 1979 Load: 32.4 t ADT: 125
CH 43 E 8TH RD
GoodOver: TOMAHAWK CREEK
E 8TH N3690, LaSalle, IL
Built 1980 Load: 32.4 t ADT: 900
TR 52 E 3RD
GoodOver: LITTLE VERMILION
E 3RD N 4100, LaSalle, IL
Built 1980 Load: 32.4 t ADT: 825
TR 160 E 9TH
GoodOver: SUTPHENS RUN
E 9TH N 4615, LaSalle, IL
Built 1980 Load: 32.4 t ADT: 25
TR 571
GoodOver: STREAM
N 1ST E 1050, LaSalle, IL
Built 1982 Load: 32.4 t ADT: 50
TR 284 E 16TH
GoodOver: BUCK CREEK
E16TH N 3450TH, LaSalle, IL
Built 1983 Load: 32.4 t ADT: 200
TR 198 E 11TH
GoodOver: STREAM
E11TH N3075TH, LaSalle, IL
Built 1983 Load: 32.4 t ADT: 50
TR 230
GoodOver: CREEK
E 13TH RD N 3550, LaSalle, IL
Built 1984 Load: 32.4 t ADT: 25
TR 322 B
GoodOver: COAL RUN
E 19th N 1250, LaSalle, IL
Built 1984 Load: 32.4 t ADT: 450
TR 166
GoodOver: CREEK
E 10TH RD N 750, LaSalle, IL
Built 1984 Load: 32.4 t ADT: 25
Showing 18,551-18,600 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.