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
TR 320
GoodOver: HOG CREEK
0.2 MI N FAS 867, Perry, IL
Built 1987 Load: 32.4 t ADT: 25
TR 63
GoodOver: GALUM CREEK
2 MI SW OF SWANWICK, Perry, IL
Built 1988 Load: 32.4 t ADT: 10
TR 5
GoodOver: HALFMILE CREEK
0.34 MI E OF US 51, Perry, IL
Built 1991 Load: 32.4 t ADT: 75
TR 255
GoodOver: SLOUGH
2 MI E OF DUQUOIN, Perry, IL
Built 1994 Load: 32.4 t ADT: 25
OR 40
GoodOver: PIPESTONE CREEK
1 MI SW DENMARK, Perry, IL
Built 1993 Load: 32.4 t ADT: 10
TR 233-CUDGETOWN R
GoodOver: PANTHER CREEK
NE SEC 8, T6S,R2W, Perry, IL
Built 1998 Load: 32.4 t ADT: 150
TR 318-SANDPIPER R
GoodOver: LITTLE MUDDY RIVER
1.3 MI N CH 17, Perry, IL
Built 1999 Load: 32.4 t ADT: 25
SAWMILL RD
GoodOver: DODDS BRANCH
4.3 MI W OF ILL 127, Perry, IL
Built 2010 Load: 32.4 t ADT: 10
TR 133 PINTAIL RD
GoodOver: REESE CREEK
2 MI E OF US 51, Perry, IL
Built 2003 Load: 32.4 t ADT: 25
TR 164
GoodOver: SLADE BRANCH
.2 MI S WASHINGTON C, Perry, IL
Built 2005 Load: 32.4 t ADT: 10
SWAN RD
GoodOver: BEAUCOUP CREEK
0.6 MI N OF FAS 866, Perry, IL
Built 2008 Load: 32.4 t ADT: 25
OAK RIDGE RD
GoodOver: RUSSIAN CREEK
SEC 19 T4S R3W, Perry, IL
Built 2007 Load: 32.4 t ADT: 25
TR 170
GoodOver: WALKERS CREEK
0.1 MI S OF ILL 13, Perry, IL
Built 2007 Load: 32.4 t ADT: 25
SUNFIELD RD
GoodOver: UNNAMED CREEK
2.5MI N OF DUQUOIN, Perry, IL
Built 2008 Load: 32.4 t ADT: 150
TR-71 (Park Road)
GoodOver: Rocky Branch
0.25 MI W CROSSBILL, Perry, IL
Built 2017 Load: 32.4 t ADT: 100
SASSAFRAS RD
GoodOver: UNNAMED CREEK
1.0 MI NE OF DUQUOIN, Perry, IL
Built 2009 Load: 32.4 t ADT: 75
TR-292 (Pecan Road
GoodOver: Reese Creel Trib.
T5S R1W SEC 34, Perry, IL
Built 2016 Load: 32.4 t ADT: 275
SANDPIPER RD
GoodOver: PUNCHEON CREEK
4.5 MI NE TAMAROA, Perry, IL
Built 2010 Load: 32.4 t ADT: 25
GERANIUM ROAD
GoodOver: TRIB TO SWANWICK CREEK
0.75 MI N OF FOXGLOVE RD, Perry, IL
Built 2022 Load: 32.4 t ADT: 175
TR-92 (Crocus Rd)
GoodOver: Trib Little Galum Cr
T5S R3W SEC 17, Perry, IL
Built 2018 Load: 32.4 t ADT: 75
TR 172
GoodOver: BRANCH TO BEAUCOUP
2 MI SE PINCKNEYVILE, Perry, IL
Built 1980 Load: 32.4 t ADT: 75
TR 298
GoodOver: COLLIER CR
1.3 MI N CH 6, Perry, IL
Built 1984 Load: 32.4 t ADT: 50
TR 298
GoodOver: EATON CREEK
1.3 MI N CH 6, Perry, IL
Built 1984 Load: 32.4 t ADT: 50
TR 189 A
GoodOver: CHICKEN CR
0.5 MI W OF ILL 13, Perry, IL
Built 1984 Load: 32.4 t ADT: 300
FAS 530 (TR 2)
GoodOver: STREAM
2.5 MI S IVESDALE, Piatt, IL
Built 1981 Load: 32.4 t ADT: 825
CH 16
GoodOver: LAKE FORK
.5 MI W OF ATWOOD, Piatt, IL
Built 1963 Load: 32.4 t ADT: 450
FAS 529(CH 7)
GoodOver: STREAM
0.2 MI E OF BEMENT, Piatt, IL
Built 1962 Load: 32.4 t ADT: 900
FAS 535(CH 2)
GoodOver: SANGAMON RIVER
5 MI N of Monticello, Piatt, IL
Built 2003 Load: 32.4 t ADT: 1,350
FAP 758(IL 32)
GoodOver: STREAM
1.2 MI N OF LA PLACE, Piatt, IL
Built 1996 Load: 32.4 t ADT: 1,450
FAP 760 (IL 32)
GoodOver: STREAM
1.8 MI N CERRO GORDO, Piatt, IL
Built 2000 Load: 32.4 t ADT: 1,250
FAS 1531
GoodOver: WILD CAT CREEK
5 MI E OF CISCO, Piatt, IL
Built 2011 Load: 32.4 t ADT: 1,650
FAS 1531
GoodOver: WOLF RUN CREEK
2 MI E OF CISCO, Piatt, IL
Built 2011 Load: 32.4 t ADT: 900
TR 13
GoodOver: MADDEN CREEK
1 MI N OF MANSFIELD, Piatt, IL
Built 1970 Load: 32.4 t ADT: 50
TR 92
GoodOver: STREAM
1.0 MI SW BEMENT, Piatt, IL
Built 1977 Load: 32.4 t ADT: 250
TR 113
GoodOver: STREAM
2.5 MI SE MONTICELLO, Piatt, IL
Built 1976 Load: 32.4 t ADT: 50
TR 172
GoodOver: STREAM
2.8 MI NNW ATWOOD, Piatt, IL
Built 1978 Load: 32.4 t ADT: 50
TR 64
GoodOver: GOOSE CREEK
2.2 MI W GALESVILLE, Piatt, IL
Built 1978 Load: 32.4 t ADT: 75
TR 157
GoodOver: STREAM
0.25 MI E MILMINE, Piatt, IL
Built 1978 Load: 32.4 t ADT: 50
TR 150
GoodOver: MADDEN CREEK
1.5 MI S MANSFIELD, Piatt, IL
Built 1979 Load: 32.4 t ADT: 50
TR 101
GoodOver: CAMP CREEK DRAIN DIT
4.5 MI E MONTICELLO, Piatt, IL
Built 1979 Load: 32.4 t ADT: 25
TR 185
GoodOver: STREAM
1 MI S OF VOORHIES, Piatt, IL
Built 1979 Load: 32.4 t ADT: 50
TR 161
GoodOver: LAKE FORK DRAIN DIT
3 MI ESE OF BEMENT, Piatt, IL
Built 1979 Load: 32.4 t ADT: 50
TR 126
GoodOver: DRAINAGE DITCH
4 MI SE OF BEMENT, Piatt, IL
Built 1985 Load: 32.4 t ADT: 25
TR 177
GoodOver: DRAINAGE DITCH
3.5 MI E VOORHIES, Piatt, IL
Built 1981 Load: 32.4 t ADT: 50
TR 164
GoodOver: STREAM
3.0 MI SE MANSFIELD, Piatt, IL
Built 1979 Load: 32.4 t ADT: 75
TR 5
GoodOver: S BRANCH SALT CREEK
4.0 MI NW MANSFIELD, Piatt, IL
Built 1980 Load: 32.4 t ADT: 75
TR 19
GoodOver: MADDEN CREEK
0.5 MI E MANSFIELD, Piatt, IL
Built 1981 Load: 32.4 t ADT: 50
TR 38
GoodOver: GOOSE CREEK
1.5 MI S DELAND, Piatt, IL
Built 1981 Load: 32.4 t ADT: 50
TR 105
GoodOver: WOLF RUN TRIB
3.3 MI E CISCO, Piatt, IL
Built 1981 Load: 32.4 t ADT: 150
TR 138
GoodOver: LAKE FORK DRAIN DIT
3 MI SE BEMENT, Piatt, IL
Built 1981 Load: 32.4 t ADT: 50
Showing 20,051-20,100 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.