Total Bridges
27,743
Public highway bridges in Illinois
State profile · Near national median SD
Illinois bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Illinois — drawn straight from the FHWA National Bridge Inventory.
- 27,743
- Public bridges
- 41.2%
- Good condition
- 7.9%
- Poor condition
- 7.9%
- Structurally deficient
Good Condition
41.2%
11,426 bridges rated 7-9
-8.8pp vs 50% benchmark
Poor Condition
7.9%
2,186 bridges rated 0-4
Structurally Deficient
7.9%
2,186 bridges flagged for repair priority
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 — Structurally deficient share 26.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — Illinois (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Illinois on the same metric.
44
Rhode Island
7.69% top marginal rate
31
Nebraska
7.73% top marginal rate
17
Illinois
7.88% top marginal rate
25
Massachusetts
7.96% top marginal rate
29
Missouri
8.53% top marginal rate
Bridges Needing Most Attention in Illinois
Six lowest-condition bridges in Illinois, ranked by composite NBI rating. Each is inspected at least every 24 months.
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
Structurally DeficientOver: WILSON CREEK
NE-35-T3NR2E, Fulton, IL
Built 1935 Load: 1.3 t ADT: 10
TR 10-B
Structurally DeficientOver: KING CREEK
W EDGE OF MINERAL, Bureau, IL
Built 1899 Load: 1.6 t ADT: 10
TR-6
Structurally DeficientOver: DRAINAGE DITCH
3.5 MI NE DIETERICH, Effingham, IL
Built 1909 Load: 1.6 t ADT: 25
TR208K(TWIN BRIDGE
Structurally DeficientOver: BIG CREEK
NE EDGE MT ZION, Macon, IL
Built 1967 Load: 1.9 t ADT: 375
All Bridges in Illinois
TR 616
GoodOver: DRAINAGE DITCH
1 MI E GOLDED GATE, Wayne, IL
Built 2000 Load: 32.4 t ADT: 25
FAS 2812 (TR 536)
GoodOver: STREAM
6 MI SE BARNHILL, Wayne, IL
Built 2000 Load: 32.4 t ADT: 100
TR 74
GoodOver: FOURMILE CREEK
2 MI SW KEENES, Wayne, IL
Built 2002 Load: 32.4 t ADT: 50
TR 4
GoodOver: ELM CREEL
3.5 MI NW KEENES, Wayne, IL
Built 2003 Load: 32.4 t ADT: 50
TR 23
GoodOver: BRUSH CREEK
4 MI N ZENITH, Wayne, IL
Built 2002 Load: 32.4 t ADT: 50
TR 120
GoodOver: RATTLE SNAKE CREEK
1 MI W SAM DALE LAKE, Wayne, IL
Built 2000 Load: 32.4 t ADT: 50
TR 537
GoodOver: DRAINAGE DITCH
2 MI SW FAIRFEILD, Wayne, IL
Built 2008 Load: 32.4 t ADT: 75
TR 210
GoodOver: CREEK
E EDGE SAM DALE LAKE, Wayne, IL
Built 2000 Load: 32.4 t ADT: 100
TR 210
GoodOver: CREEK
E EDGE SAM DALE LAKE, Wayne, IL
Built 2000 Load: 32.4 t ADT: 100
TR 210
GoodOver: CREEK
E EDGE SAM DALE LAKE, Wayne, IL
Built 2001 Load: 32.4 t ADT: 100
TR 655
GoodOver: CREEK
7.5 SE FAIRFIELD, Wayne, IL
Built 2006 Load: 32.4 t ADT: 100
TR 456
GoodOver: JOHNSON CREEK
1.5 MI SE FAIRFIELD, Wayne, IL
Built 2005 Load: 32.4 t ADT: 100
TR 439
GoodOver: WHITE OAK SLOUGH
2 MI NNE GOLDEN GATE, Wayne, IL
Built 2004 Load: 32.4 t ADT: 35
TR 439
GoodOver: DRAINAGE DITCH
2 MI NE GOLDEN GATE, Wayne, IL
Built 2004 Load: 32.4 t ADT: 35
FAS 2821
GoodOver: CREEK
7 MI N GOLDEN GATE, Wayne, IL
Built 2005 Load: 32.4 t ADT: 50
TR 406 A
GoodOver: ENDSLEY CREEK
6 MI NE CISNE, Wayne, IL
Built 2005 Load: 32.4 t ADT: 75
TR 515
GoodOver: DRAINAGE DITCH
3 MI E SIMA, Wayne, IL
Built 2005 Load: 32.4 t ADT: 35
CH 8
GoodOver: DRAINAGE DITCH
3 MI SW FAIRFIELD, Wayne, IL
Built 2006 Load: 32.4 t ADT: 75
TR 587
GoodOver: TRIB FOUR MILE CREEK
4.5 MI SW WAYNE CITY, Wayne, IL
Built 2006 Load: 32.4 t ADT: 50
TR- 82
GoodOver: TURNER CREEK
1.5 MI. S ORCHARDVIL, Wayne, IL
Built 2007 Load: 32.4 t ADT: 50
TR 293
GoodOver: DRAINAGE DITCH
4.3 MI SSE MT ERIE, Wayne, IL
Built 2007 Load: 32.4 t ADT: 10
TR 331
GoodOver: MARTIN CREEK
0.7 MI SW GEFF, Wayne, IL
Built 2008 Load: 32.4 t ADT: 50
FAS 2821
GoodOver: MARTIN CREEK
1.25 MI E GEFF, Wayne, IL
Built 2010 Load: 32.4 t ADT: 250
TR 390A
GoodOver: ENDSLEY CREEK
E MI NE CISNE, Wayne, IL
Built 2009 Load: 32.4 t ADT: 75
FAS 2823
GoodOver: WATSON CREEK
0.3 MI W OF BARNHILL, Wayne, IL
Built 2011 Load: 32.4 t ADT: 125
TR 329
GoodOver: DRY FORK
4.5 MI N OF SIMS, Wayne, IL
Built 2009 Load: 32.4 t ADT: 50
TR 622
GoodOver: BR LITTLE WABASH
1 MI SE GOLDEN GATE, Wayne, IL
Built 2010 Load: 32.4 t ADT: 50
TR 443
GoodOver: MILLER CREEK
1.5 MI NW SIMS, Wayne, IL
Built 2010 Load: 32.4 t ADT: 50
TR 273
GoodOver: DRAINAGE DITCH
3 MI SSE MT ERIE, Wayne, IL
Built 2011 Load: 32.4 t ADT: 25
FAS 2821
GoodOver: MARTIN CREEK
1.5 MI E GEFF, Wayne, IL
Built 2012 Load: 32.4 t ADT: 250
TR 493
GoodOver: BR OF LITTLE WABASH
1.5 MI W GOLDEN GATE, Wayne, IL
Built 2013 Load: 32.4 t ADT: 10
TR 165
GoodOver: POPLAR CREEK
3.5 MI NW ORCHARDVLE, Wayne, IL
Built 2012 Load: 32.4 t ADT: 25
TR 426
GoodOver: DEER CREEK
3 MI SE CISNE, Wayne, IL
Built 2014 Load: 32.4 t ADT: 50
CH 21
GoodOver: Evans Creek
3 mi. NW Golden Gate, Wayne, IL
Built 2015 Load: 32.4 t ADT: 325
TR 145
GoodOver: Trib to Elm River
4.0 Mi. NE Enterpris, Wayne, IL
Built 2015 Load: 32.4 t ADT: 50
FAS 797
GoodOver: Martin Creek
3.5 Mi. NE Geff, Wayne, IL
Built 2015 Load: 32.4 t ADT: 1,600
TR-137
GoodOver: Poplar Creek
4.5 Mi W Sam Dale Lk, Wayne, IL
Built 2017 Load: 32.4 t ADT: 100
TR 383
GoodOver: Little Dry Fork
3.0 Mi. NE Sims, Wayne, IL
Built 2019 Load: 32.4 t ADT: 75
TR 563
GoodOver: Livergood Creek
3.2 Mi SE of Sims, Wayne, IL
Built 2021 Load: 32.4 t ADT: 50
FAS-2818
GoodOver: SKILLET FORK
2 MI S ORCHARDVILLE, Wayne, IL
Built 1934 Load: 32.4 t ADT: 900
TR-448
GoodOver: WATSON CREEK
1 MI N MILL SHOALS, Wayne, IL
Built 1974 Load: 32.4 t ADT: 100
TR 620
GoodOver: GUM BRANCH
2 MI E MT ERIE .5S, Wayne, IL
Built 1999 Load: 32.4 t ADT: 100
TR 355
GoodOver: MARTIN CREEK
0.5 MI. SW GEFF, Wayne, IL
Built 2003 Load: 32.4 t ADT: 50
TR 322
GoodOver: NORFOLK SOUTHERN RR
3 MI E SIMS, Wayne, IL
Built 2007 Load: 32.4 t ADT: 100
FAU-8684
GoodOver: BRANCH POND CREEK
FAIRFIELD, Wayne, IL
Built 1989 Load: 32.4 t ADT: 1,200
SE 4TH STREET
GoodOver: POND CREEK
FAIRFIELD, Wayne, IL
Built 1990 Load: 32.4 t ADT: 500
FAU-8692
GoodOver: BRANCH POND CREEK
FAIRFIELD, Wayne, IL
Built 1994 Load: 32.4 t ADT: 2,500
FAU 8694
GoodOver: BRANCH POND CREEK
FAIRFIELD, Wayne, IL
Built 2008 Load: 32.4 t ADT: 3,250
E 4TH ST;MUNI#7300
GoodOver: BRANCH POND CR
FAIRFIELD, Wayne, IL
Built 2010 Load: 32.4 t ADT: 325
FAP-332 (ILL-1)
GoodOver: STREAM
2 MI S CARMI, White, IL
Built 1995 Load: 32.4 t ADT: 3,700
Showing 21,551-21,600 of 27,743 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |