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 182 A
GoodOver: BROUILLETTS CREEK
.25 MI S CHERRY PT, Edgar, IL
Built 1990 Load: 32.4 t ADT: 75
TR 61
GoodOver: BROUILLETTS CREEK
2 MI N OF CHRISMAN, Edgar, IL
Built 1997 Load: 32.4 t ADT: 350
TR 89 A
GoodOver: BRUSHY FORK
1 MI E OF MELWOOD, Edgar, IL
Built 1979 Load: 32.4 t ADT: 75
TR 79 A
GoodOver: DRAINAGE DITCH
1 MI S OF HUME, Edgar, IL
Built 1981 Load: 32.4 t ADT: 50
TR 89
GoodOver: DRAINAGE DITCH
2.5 MI N OF BROCTON, Edgar, IL
Built 1980 Load: 32.4 t ADT: 50
TR 79 B
GoodOver: BRUSHY FORK
1 MI SE OF HUME, Edgar, IL
Built 1982 Load: 32.4 t ADT: 50
TR 30
GoodOver: DRAINAGE DITCH
3 MI SW OF HUME, Edgar, IL
Built 1985 Load: 32.4 t ADT: 50
TR 79
GoodOver: TRIB TO BRUSHY FORK
4 MI N OF BROCTON, Edgar, IL
Built 1988 Load: 32.4 t ADT: 50
TR 116
GoodOver: SHILOH DRAIN DITCH 3
3.2 MI S OF METCALF, Edgar, IL
Built 1994 Load: 32.4 t ADT: 50
TR 326
GoodOver: STREAM
2.7 MI E VERMILLION, Edgar, IL
Built 1981 Load: 32.4 t ADT: 50
TR 298 B
GoodOver: STREAM
2.0 MI NE VERMILION, Edgar, IL
Built 1984 Load: 32.4 t ADT: 50
TR 298 A
GoodOver: COAL CREEK
2 MI E OF VERMILION, Edgar, IL
Built 1989 Load: 32.4 t ADT: 75
TR 373
GoodOver: S BRANCH CLEAR CREEK
1.0 MI NE OF OLIVER, Edgar, IL
Built 1980 Load: 32.4 t ADT: 50
TR 343
GoodOver: S BRANCH CLEAR CREEK
1.75 MI N OF OLIVER, Edgar, IL
Built 1983 Load: 32.4 t ADT: 50
TR 297
GoodOver: CLEAR CREEK
6.1 MI S OF PARIS, Edgar, IL
Built 1988 Load: 32.4 t ADT: 150
TR 315
GoodOver: E FORK BIG CREEK
5 MI SW PARIS, Edgar, IL
Built 2010 Load: 32.4 t ADT: 50
TR 158 / N 1200th
GoodOver: Big Creek
1.5 MI NE BELL RIDGE, Edgar, IL
Built 2016 Load: 32.4 t ADT: 75
TR 84
GoodOver: BRUSHY FORK
0.50 MI N OF HUME, Edgar, IL
Built 1978 Load: 32.4 t ADT: 50
TR 61
GoodOver: DITCH
1.33 MI E OF HUME, Edgar, IL
Built 1978 Load: 32.4 t ADT: 125
TR 61
GoodOver: DRAINAGE DITCH
1 MI E OF METCALF, Edgar, IL
Built 1979 Load: 32.4 t ADT: 150
TR 32
GoodOver: BRUSHY FORK
0.3 MI N OF MCCOWN, Edgar, IL
Built 1982 Load: 32.4 t ADT: 50
TR 13
GoodOver: DRAINAGE DITCH
2.5 MI W OF PALERMO, Edgar, IL
Built 1980 Load: 32.4 t ADT: 25
TR 59
GoodOver: DRAINAGE DITCH
1.25 MI NW OF HUME, Edgar, IL
Built 1980 Load: 32.4 t ADT: 50
TR 84
GoodOver: DRAINAGE DITCH
1.25 MI N OF HUME, Edgar, IL
Built 1982 Load: 32.4 t ADT: 50
TR 27
GoodOver: DRAINAGE DITCH
3.5 NE OF HUME, Edgar, IL
Built 1983 Load: 32.4 t ADT: 50
TR 45
GoodOver: DITCH
2.5 MI N OF HUME, Edgar, IL
Built 1984 Load: 32.4 t ADT: 50
TR 61
GoodOver: BRUSHY FORK
.5 MI NW OF HUME, Edgar, IL
Built 1989 Load: 32.4 t ADT: 125
TR 63 A
GoodOver: DRAINAGE DITCH
IN MCCOWN, Edgar, IL
Built 1987 Load: 32.4 t ADT: 50
TR 59
GoodOver: DRAINAGE DITCH
1 MI N OF MCCOWN, Edgar, IL
Built 1991 Load: 32.4 t ADT: 50
TR 52
GoodOver: POPE BRANCH
3 MI NW OF HUME, Edgar, IL
Built 1995 Load: 32.4 t ADT: 50
TR 61
GoodOver: TRIB CLARK BRANCH
1.25 MI W METCALF, Edgar, IL
Built 2010 Load: 32.4 t ADT: 125
TR 330
GoodOver: SUGAR CREEK
INDIANA STATE LINE, Edgar, IL
Built 1999 Load: 32.4 t ADT: 400
TR 326 B
GoodOver: DITCH
0.5 MILE S SANDFORD, Edgar, IL
Built 1997 Load: 32.4 t ADT: 50
BUENA VISTA(FAU 75
GoodOver: CSX RR
@ UNION ST IN PARIS, Edgar, IL
Built 2002 Load: 32.4 t ADT: 475
TR-52
GoodOver: BEAR CREEK
2.5 MI SE BLOOD, Edwards, IL
Built 1982 Load: 32.4 t ADT: 50
TR-112
GoodOver: WALSER CREEK
1.5 MI S WEST SALEM, Edwards, IL
Built 1983 Load: 32.4 t ADT: 50
TR-70
GoodOver: VILLAGE CREEK
3 MI N ALBION, Edwards, IL
Built 1983 Load: 32.4 t ADT: 75
TR-31
GoodOver: MADDEN CREEK
3.5 MI NE BLOOD, Edwards, IL
Built 1984 Load: 32.4 t ADT: 100
TR-201
GoodOver: HAM CREEK
5 MI. SW ALBION, Edwards, IL
Built 1990 Load: 32.4 t ADT: 35
TR-143
GoodOver: VILLAGE CREEK
2.5 MI N ALBION, Edwards, IL
Built 1985 Load: 32.4 t ADT: 50
TR-229
GoodOver: CAMP CR
6.25 MI W GRAYVILLE, Edwards, IL
Built 1986 Load: 32.4 t ADT: 50
TR-235
GoodOver: FRENCH CREEK
1 MI W GRAYVILLE, Edwards, IL
Built 1988 Load: 32.4 t ADT: 35
TR-54
GoodOver: STINKING CREEK
5 MI W GRAYVILLE, Edwards, IL
Built 1989 Load: 32.4 t ADT: 50
TR-72
GoodOver: WEST VILLAGE CREEK
2 MI SW SAMSVILLE, Edwards, IL
Built 1991 Load: 32.4 t ADT: 75
TR-131
GoodOver: INDIAN CREEK
1 MI SW BONE GAP, Edwards, IL
Built 1991 Load: 32.4 t ADT: 50
TR-117
GoodOver: BONPAS CREEK
2.5 MI E BONE GAP, Edwards, IL
Built 1988 Load: 32.4 t ADT: 35
TR-173
GoodOver: CREEK
1 MI SW BROWNS, Edwards, IL
Built 1997 Load: 32.4 t ADT: 50
FAS-813 (CH-1)
GoodOver: BIG CREEK
1.75 MI S BONE GAP, Edwards, IL
Built 1991 Load: 32.4 t ADT: 450
FAS-1814
GoodOver: TRIB BONPAS CREEK
2 MI S BROWNS, Edwards, IL
Built 1992 Load: 32.4 t ADT: 325
FAS-1813
GoodOver: WEST VILLAGE CREEK
5 MI NW ALBION, Edwards, IL
Built 1993 Load: 32.4 t ADT: 100
Showing 16,651-16,700 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.