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
E FARM SCHOOL ROAD
GoodOver: ROCK RUN CREEK
1.5 MI SE ROCK CITY, Stephenson, IL
Built 1984 Load: 32.4 t ADT: 50
W BLOCK ROAD
GoodOver: YELLOW CREEK
1.6 MI E OF ILL 73, Stephenson, IL
Built 1985 Load: 32.4 t ADT: 50
N EXCELSIOR ROAD
GoodOver: CEDAR CREEK
2.0 MI SW WINSLOW, Stephenson, IL
Built 1984 Load: 32.4 t ADT: 75
HERSHEY RD
GoodOver: E PLUM CR BRANCH
0.1 MI E LORAN RD, Stephenson, IL
Built 1986 Load: 32.4 t ADT: 35
E KNAUP RD
GoodOver: ROCK RUN CREEK
.1 MI W FARWEL BR RD, Stephenson, IL
Built 1987 Load: 32.4 t ADT: 25
NO WAYNE ROAD
GoodOver: SPAFFORD CREEK BRANC
0.75 MI N WARREN RD, Stephenson, IL
Built 1985 Load: 32.4 t ADT: 50
W RICHLAND ROAD
GoodOver: RICHLAND CREEK
2.3 MI W OF ILL 26, Stephenson, IL
Built 1987 Load: 32.4 t ADT: 50
E BRICK SCHOOL RD
GoodOver: BROWN CREEK
3.5 MI S ROCK CITY, Stephenson, IL
Built 1988 Load: 32.4 t ADT: 50
W HERSHEY ROAD
GoodOver: BR OF E PLUM RIVER
4 MI SW PEARL CITY, Stephenson, IL
Built 1988 Load: 32.4 t ADT: 50
W STATE LINE ROAD
GoodOver: RICHLAND CREEK
1 MI E ILL26, Stephenson, IL
Built 1987 Load: 32.4 t ADT: 50
N SIEDSCHLAG ROAD
GoodOver: ROCK RUN
4 MI N OF ROCK CITY, Stephenson, IL
Built 1986 Load: 32.4 t ADT: 50
W. GODDARD ROAD
GoodOver: BR OF YELLOW CREEK
1.4 MI W OF ILL 73, Stephenson, IL
Built 1991 Load: 32.4 t ADT: 50
ST. JAMES RD.(TR 3
GoodOver: BRANCH MUDDY CREEK
3.5 MI W ORANGEVILLE, Stephenson, IL
Built 1991 Load: 32.4 t ADT: 75
N COCKRELL RD(TR17
GoodOver: CEDAR CREEK
1.5 MI W CEDARVILLE, Stephenson, IL
Built 1991 Load: 32.4 t ADT: 200
N. BOLENDER ROAD
GoodOver: E BR RICHLAND CREEK
2.5 MI N ORANGEVILLE, Stephenson, IL
Built 1992 Load: 32.4 t ADT: 100
N FAWVER ROAD
GoodOver: WINNESHEIK CREEK
6.0 MI S OF DAKOTA, Stephenson, IL
Built 2010 Load: 32.4 t ADT: 75
W. STEES ROAD
GoodOver: YELLOW CREEK
0.1MI E JODAVIESS CO, Stephenson, IL
Built 1995 Load: 32.4 t ADT: 25
W. STEPHENSON ST R
GoodOver: BR. OF PRESTON CREEK
1 MI. E OF BOLTON RD, Stephenson, IL
Built 1993 Load: 32.4 t ADT: 650
RED OAK RD - CH 5
GoodOver: CEDAR CREEK
NW EDGE CEDARVILLE, Stephenson, IL
Built 1994 Load: 32.4 t ADT: 300
CEDARVILLE RD
GoodOver: PECATONICA RIVER
3.6 MI W CEDARVILLE, Stephenson, IL
Built 1999 Load: 32.4 t ADT: 1,150
W. STATE LINE RD
GoodOver: HONEY CREEK
1 MI NE OF WINSLOW, Stephenson, IL
Built 1998 Load: 32.4 t ADT: 50
CEDARVILLE ROAD
GoodOver: CEDAR CREEK
0.7 MI W CEDARVILLE, Stephenson, IL
Built 1996 Load: 32.4 t ADT: 1,100
LORAN ROAD
GoodOver: PLUM RIVER
4 MI. W. IL 73, Stephenson, IL
Built 1999 Load: 32.4 t ADT: 150
WEST LOTT ROAD
GoodOver: BR OF E FK E PLUM
0.75 MI W OF IL 73, Stephenson, IL
Built 1998 Load: 32.4 t ADT: 50
N.VAN BROCKLYN ROA
GoodOver: BR OF PRESTON CREEK
500' S OF LILY CR RD, Stephenson, IL
Built 2000 Load: 32.4 t ADT: 900
SOUTH SCHUMAN ROAD
GoodOver: SPRING BRANCH
200' S OF LORAN RD, Stephenson, IL
Built 2000 Load: 32.4 t ADT: 50
SOUTH KOCH ROAD
GoodOver: BR OF E PLUM RIVER
4.0 MI SW PEARL CITY, Stephenson, IL
Built 2002 Load: 32.4 t ADT: 75
N HENDERSON ROAD
GoodOver: CEDAR CREEK
1.0 MI E CEDARVILLE, Stephenson, IL
Built 2004 Load: 32.4 t ADT: 275
CEDARVILLE RD.
GoodOver: ROCK RUN
3 MI. SO DAVIS, Stephenson, IL
Built 2007 Load: 32.4 t ADT: 900
GOLD MINE RD
GoodOver: E PLUM RIVER
3 MI. WEST PEARL CTY, Stephenson, IL
Built 2010 Load: 32.4 t ADT: 625
CEDARVILLE RD
GoodOver: RICHLAND CREEK
2 MI W CEDARVILLE, Stephenson, IL
Built 2009 Load: 32.4 t ADT: 1,000
BOLTON RD
GoodOver: LOST CREEK
8 MI SW OF FREEPORT, Stephenson, IL
Built 2014 Load: 32.4 t ADT: 900
NORTH REES RD
GoodOver: BR OF YELLOW CRK
2 MI SE OF LENA, Stephenson, IL
Built 2013 Load: 32.4 t ADT: 100
W DAMEIER RD
GoodOver: BR OF YELLOW CREEK
2 MI S OF LENA, Stephenson, IL
Built 2013 Load: 32.4 t ADT: 125
FAS-78 (N AYP Rd)
GoodOver: Br. Pecatonica River
4 MI W OF CEDARVILLE, Stephenson, IL
Built 2017 Load: 32.4 t ADT: 250
AFOLKEY RD
GoodOver: CEDAR CREEK
2.5 MI NW OF DAKOTA, Stephenson, IL
Built 2023 Load: 32.4 t ADT: 525
N IRISH GROVE ROAD
GoodOver: PINK CREEK
4.5 MI S OF DAVIS, Stephenson, IL
Built 1976 Load: 32.4 t ADT: 75
NORTH EGGERT ROAD
GoodOver: ROCK RUN CREEK
3.0 MI N ROCK CITY, Stephenson, IL
Built 1978 Load: 32.4 t ADT: 50
EAST AIRPORT ROAD
GoodOver: SMALL CREEK
2.5 MI SE FREEPORT, Stephenson, IL
Built 1978 Load: 32.4 t ADT: 25
ST JAMES ROAD
GoodOver: BRUSH CREEK
2.2 MI E OF ILL 26, Stephenson, IL
Built 1978 Load: 32.4 t ADT: 75
WEST DUBLIN ROAD
GoodOver: BR OF YELLOW CREEK
3.2 MI E OF ILL 73, Stephenson, IL
Built 1980 Load: 32.4 t ADT: 100
WEST RANGE ROAD
GoodOver: BR OF WADDAMS CREEK
1.0 MI E OF LENA, Stephenson, IL
Built 1979 Load: 32.4 t ADT: 75
KUHLEMEYER ROAD
GoodOver: UNNAMED STREAM
3 MI NW RIDOTT, Stephenson, IL
Built 1984 Load: 32.4 t ADT: 50
W RICHLAND ROAD
GoodOver: BR OF RICHLAND CR
1.3 MI W OF ILL 26, Stephenson, IL
Built 1986 Load: 32.4 t ADT: 25
E FARM SCHOOL ROAD
GoodOver: BROWN CREEK
0.1 MI E OF ILL 75, Stephenson, IL
Built 1985 Load: 32.4 t ADT: 75
MAIZE ROAD
GoodOver: MORRISON SPRING BR
.9 MI E ROCK CITY RD, Stephenson, IL
Built 1985 Load: 32.4 t ADT: 75
N BELLVIEW RD
GoodOver: BR OF RICHLAND CR
2.5 MI N CEDARVILLE, Stephenson, IL
Built 1986 Load: 32.4 t ADT: 25
KERMIT ROAD
GoodOver: BR OF YELLOW CREEK
0.6 M W OF BOLTON RD, Stephenson, IL
Built 1986 Load: 32.4 t ADT: 50
E MONTAGUE ROAD
GoodOver: BR OF MUD CREEK
1 M S GERMAN VALLEY, Stephenson, IL
Built 1987 Load: 32.4 t ADT: 775
WEST MAIN ROAD
GoodOver: YELLOW CREEK
4.5 MI W OF LENA, Stephenson, IL
Built 1988 Load: 32.4 t ADT: 75
Showing 21,001-21,050 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.