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 MIDDLE CREEK RD
GoodOver: MIDDLE CREEK
3 MI W BROOKVILLE, Carroll, IL
Built 2020 Load: 48.6 t ADT: 100
CH-3(FAS 692)
GoodOver: Sugar Creek
2.5 MI N DARWIN, Clark, IL
Built 1970 Load: 48.6 t ADT: 125
TR 43
GoodOver: GREASY CREEK
1.0 MI N BUSHTON, Coles, IL
Built 2019 Load: 48.6 t ADT: 75
IL 21 (MILWAUKEE)
GoodOver: DES PLAINES RIVER
0.3 M SE US 45, Cook, IL
Built 2009 Load: 48.6 t ADT: 20,400
TR 68
GoodOver: FULFER CREEK
1.5 MI NW MASON, Effingham, IL
Built 2010 Load: 48.6 t ADT: 100
IL 54
GoodOver: Trib Big Four Ditch
7.06 M N OF IL 9, Ford, IL
Built 2016 Load: 48.6 t ADT: 1,650
I-57 SB
GoodOver: POND CREEK
S OF SCL W FRANKFORT, Franklin, IL
Built 2022 Load: 48.6 t ADT: 21,600
BASSET SCHOOL RD
GoodOver: HOSICK CREEK
1 MI NE OF E'TOWN, Hardin, IL
Built 2019 Load: 48.6 t ADT: 150
US 45 FAS 338
GoodOver: SPRING CREEK
10.58 MI S OF IL 54, Iroquois, IL
Built 2009 Load: 48.6 t ADT: 1,900
US 45/FAS 317
GoodOver: PRAIRIE CREEK
0.85 MI N OF US 24, Iroquois, IL
Built 2010 Load: 48.6 t ADT: 1,450
IL 3-FAP 312
GoodOver: REEDS CREEK
4 MI S RANDOLPH CO, Jackson, IL
Built 2001 Load: 48.6 t ADT: 2,150
TR 77
GoodOver: LITTLE CACHE CREEK
NW1/4 SEC 3 T12S,R3E, Johnson, IL
Built 1985 Load: 48.6 t ADT: 50
CORRON ROAD
GoodOver: BR OF FERSON CREEK
250' S OF FAIR OAKS, Kane, IL
Built 2012 Load: 48.6 t ADT: 4,150
Garden Crescent Dr
GoodOver: Tyler Creek
0.3 Mi N Wing St., Kane, IL
Built 1977 Load: 48.6 t ADT: 1,900
IL 173
GoodOver: DES PLAINES RIVER
0.2 M E OF US 41, Lake, IL
Built 1929 Load: 48.6 t ADT: 11,200
IL 134
GoodOver: SQUAW CREEK
1.75 M E OF US 12, Lake, IL
Built 1994 Load: 48.6 t ADT: 7,750
ILL 47/FAP 326
GoodOver: VERMILION RIVER
.07 M S OF US 24, Livingston, IL
Built 1993 Load: 48.6 t ADT: 3,200
ILL 4
GoodOver: Trib E Fk Silver Crk
.8 MI S US 40, Madison, IL
Built 1980 Load: 48.6 t ADT: 7,000
ILL 17
GoodOver: SENACHWINE CREEK
3.5 MI W OF SPARLAND, Marshall, IL
Built 2009 Load: 48.6 t ADT: 550
IL 176
GoodOver: DRAINAGE DITCH
.2M E OF IL23, McHenry, IL
Built 2012 Load: 48.6 t ADT: 5,700
BARNARDS MILL ROAD
GoodOver: NIPPERSINK CR
AT HOWE RD INTERSECT, McHenry, IL
Built 1950 Load: 48.6 t ADT: 4,200
IL 127
GoodOver: W FK SHOAL CR.TRIB.
1.6M S IL 48, Montgomery, IL
Built 1990 Load: 48.6 t ADT: 2,950
FAS 614
GoodOver: N FK MAUVAISE TERRE
3.0 MI N ALEXANDER, Morgan, IL
Built 1998 Load: 48.6 t ADT: 1,350
IL 78
GoodOver: INDIAN CREEK
3.7 M S CASS COUNTY, Morgan, IL
Built 2015 Load: 48.6 t ADT: 2,100
FAP 42-IL 13/127
GoodOver: YOUNGS CREEK
1 MI N JACKSON CO, Perry, IL
Built 2000 Load: 48.6 t ADT: 3,750
FAI 72 (EB)
GoodOver: UPRR/RECREATION DR
1.3M W I-55, Sangamon, IL
Built 1966 Load: 48.6 t ADT: 20,450
CURRAN RD (OLD IL
GoodOver: PANTHER CREEK
.5M N IL4, N AUBURN, Sangamon, IL
Built 2002 Load: 48.6 t ADT: 1,150
WABASH AVE (FAP 66
GoodOver: JACKSONVILLE BRANCH
.5M E VETERANS/IL 4, Sangamon, IL
Built 1976 Load: 48.6 t ADT: 21,300
ILL 106
GoodOver: LITTLE SANDY CREEK
1.5 MI N ALSEY, Scott, IL
Built 1934 Load: 48.6 t ADT: 1,150
FAS 637 (CH 21)
GoodOver: BR OF FLAT BRANCH
2 MI E OF MOWEAQUA, Shelby, IL
Built 2023 Load: 48.6 t ADT: 800
IL 159
GoodOver: CSXRR & Canteen Creek
Collinsville S C.L., St. Clair, IL
Built 1980 Load: 48.6 t ADT: 16,300
FAP 332(IL 1,US 15
GoodOver: STREAM
1 MI S WESTVILLE, Vermilion, IL
Built 1991 Load: 48.6 t ADT: 7,550
ILL 153
GoodOver: ARCHIE CREEK
3.5 M N CO LINE, Washington, IL
Built 1932 Load: 48.6 t ADT: 1,250
IL 104
GoodOver: GRINDSTONE CR
2 M W BEVERLY RD, Adams, IL
Built 2011 Load: 48.9 t ADT: 775
I 90 EB
GoodOver: MOSQUITO CKR
3 MI SE OF BELVIDERE, Boone, IL
Built 2013 Load: 48.9 t ADT: 27,150
FAS 502
GoodOver: Ditch
W of Leverett, Champaign, IL
Built 2015 Load: 48.9 t ADT: 2,250
US 51 NB
GoodOver: FLAT BRANCH CREEK
S EDGE MOWEAQUA, Christian, IL
Built 2003 Load: 48.9 t ADT: 4,600
US 51SB
GoodOver: FLAT BRANCH CREEK
S EDGE MOWEAQUA, Christian, IL
Built 2003 Load: 48.9 t ADT: 4,600
FAS 1707(US 40)
GoodOver: LITTLE CREEK
1.5 MI E MARSHALL, Clark, IL
Built 2000 Load: 48.9 t ADT: 4,750
123RD ST
GoodOver: RR - METRA
1.7 M E US 45, Cook, IL
Built 1943 Load: 48.9 t ADT: 6,650
I-290 EB
GoodOver: SALT CREEK
0.6 M NW OF IL 83, DuPage, IL
Built 2019 Load: 48.9 t ADT: 69,300
FAP 841-IL 154
GoodOver: LITTLE MUDDY OVERFLO
PERRY/FRANKLIN CO LI, Franklin, IL
Built 2002 Load: 48.9 t ADT: 2,300
IL 96
GoodOver: RILEY CR
3.3 M S OF NAUVOO, Hancock, IL
Built 2011 Load: 48.9 t ADT: 1,050
TR 352A
GoodOver: INDIAN CREEK
T10S R1W W1/2 SEC36, Jackson, IL
Built 1900 Load: 48.9 t ADT: 100
TR 214
GoodOver: EGG BAG CR
E 12TH N 1430, LaSalle, IL
Built 1956 Load: 48.9 t ADT: 125
W CHESTNUT ST
GoodOver: STREAM
BRIDGEPORT, Lawrence, IL
Built 1999 Load: 48.9 t ADT: 200
ILL 3 NB
GoodOver: CAHOKIA DIVERSION
2.5 MI N FAI 270, Madison, IL
Built 2000 Load: 48.9 t ADT: 13,800
ILL 3 SB
GoodOver: CAHOKIA DIVERSION
2.5MI N FAI 270, Madison, IL
Built 2000 Load: 48.9 t ADT: 13,800
US 67 NB
GoodOver: TRIB S BR PIASA CRK
1.5MI SO. JERSEY CO, Madison, IL
Built 2009 Load: 48.9 t ADT: 11,200
TR 228 BLACKJACK R
GoodOver: N FK MILL CK
3.0MI SE TROY, Madison, IL
Built 2012 Load: 48.9 t ADT: 200
Showing 24,651-24,700 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.