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 2
FairOver: CREEK
0.5 MI N OF TR 4, Massac, IL
Built 1966 Load: 69.7 t ADT: 10
I-90WB TO NB STONY
FairOver: GROUND
0.12 M N 79TH P7C, Cook, IL
Built 1958 Load: 70.0 t ADT: 4,000
IL 26
FairOver: COFFEE CREEK
1.21 MI S OF IL 71, Putnam, IL
Built 2009 Load: 70.0 t ADT: 1,000
ILL 157
FairOver: Trib to Harding Dtch
0.08 S BUNKUM RD, St. Clair, IL
Built 1966 Load: 70.0 t ADT: 11,600
IL 53 NB
FairOver: PRAIRIE CREEK
4.0 MI N OF ILL 102, Will, IL
Built 1942 Load: 70.0 t ADT: 5,250
ILL 94
FairOver: S BR LAMOINE RIVER
0.6 MI N JCT IL94/9, Hancock, IL
Built 1992 Load: 70.3 t ADT: 1,250
ILL 17/FAP 41
FairOver: E.FORK OF MAZON RIVR
6.1 MI E OF ILL 47, Livingston, IL
Built 1979 Load: 70.3 t ADT: 1,850
ILL 8
FairOver: WALNUT CREEK
0.5 MI E OF ILL 78, Peoria, IL
Built 1995 Load: 70.3 t ADT: 1,650
ILL 96
FairOver: HOMAN CREEK
3.4MI N JCT IL104/96, Adams, IL
Built 1928 Load: 70.6 t ADT: 3,250
IL 132
FairOver: DES PLAINES RIVER
0.2 M E OF IL 21, Lake, IL
Built 1957 Load: 70.6 t ADT: 22,800
ORCHARD RD
FairOver: GATES CR/TRIB TO FOX
0.5 MI S OF US 34, Kendall, IL
Built 2000 Load: 71.0 t ADT: 13,900
FAP 776(IL 242)
FairOver: FOUR MILE CREEK
2.5 MI S WAYNE CO, Wayne, IL
Built 1999 Load: 71.0 t ADT: 1,500
TR 179
FairOver: STREAM
3.8 MI SW HARRISTOWN, Macon, IL
Built 2001 Load: 71.6 t ADT: 150
ILL 91
FairOver: BR OF KICKAPOO
1.4 MI S OF ILL 90, Peoria, IL
Built 1977 Load: 71.6 t ADT: 2,000
I-57 (SB)
FairOver: ABANDONNED RR
JUST N OF IL 16, Coles, IL
Built 1965 Load: 71.9 t ADT: 10,500
I-57 (NB)
FairOver: ABANDONNED RR
JUST N OF IL 16, Coles, IL
Built 1965 Load: 71.9 t ADT: 10,500
I- 80 WB TO IL 43
FairOver: HICKORY CREEK TRIB
0.2 M N I-80, Cook, IL
Built 1967 Load: 71.9 t ADT: 4,500
IL 43 (HARLEM AVE
FairOver: HICKORY CREEK TRIB
0.1 M N I-80, Cook, IL
Built 1967 Load: 71.9 t ADT: 34,200
ILL 26
FairOver: BROWN RUN
3.2 MI. S. OF RT 18, Marshall, IL
Built 1999 Load: 71.9 t ADT: 3,150
IL 43 SB TO I-80
FairOver: HICKORY CREEK TRIB
0.3 M W OF IL 43, Will, IL
Built 1967 Load: 71.9 t ADT: 6,100
I-55
FairOver: HURLBUT CREEK
.7M NE ELKHART INT, Logan, IL
Built 1974 Load: 72.3 t ADT: 34,900
I-55
FairOver: DRAINAGE DITCH
.5M W BL55 NE LINCLN, Logan, IL
Built 1974 Load: 72.3 t ADT: 21,500
TR 13
FairOver: HORSE CRK
5.2 MI NE FARMERSVLE, Montgomery, IL
Built 1964 Load: 72.3 t ADT: 25
TR 76-B
FairOver: THREE MILE BRANCH
1.0 MI N HONEYBEND, Montgomery, IL
Built 1958 Load: 72.6 t ADT: 100
NEW IL 13
FairOver: TRIB TO BANKSTON FK
1.25 MI W HARRISBURG, Saline, IL
Built 1996 Load: 72.6 t ADT: 7,950
COUNTY LINE RD
FairOver: MUD CREEK
8.0 MI NE BELVIDERE, Boone, IL
Built 1959 Load: 72.9 t ADT: 675
CRTIS-STNBRG/FAU92
FairOver: GOOSE LAKE Ditch
I/2 MI.W CH 19, St. Clair, IL
Built 1901 Load: 72.9 t ADT: 850
CH 22(FAS 515)
FairOver: STREAM
2 MI N OF PENFIELD, Champaign, IL
Built 1934 Load: 73.2 t ADT: 175
I 64
FairOver: PIERCE CREEK
2 MI E WOODLAWN INT, Jefferson, IL
Built 1974 Load: 73.2 t ADT: 28,300
TR 147
FairOver: DITCH
1.5 MI N BROADWELL, Logan, IL
Built 1995 Load: 73.2 t ADT: 100
FAP 320(IL 121)
FairOver: NS RR
IN DECATUR, Macon, IL
Built 1991 Load: 73.5 t ADT: 18,900
ILL 9
FairOver: SUGAR CREEK
0.48 MI E OF FAI 55, McLean, IL
Built 1980 Load: 73.9 t ADT: 16,000
ILL 97
FairOver: C&IM RR
.5 MI N PETERSBURG, Menard, IL
Built 1939 Load: 73.9 t ADT: 2,750
TR 272
FairOver: CRANE CREEK
.5 M SE RUSHVILLE, Schuyler, IL
Built 1966 Load: 73.9 t ADT: 325
TR 148(WALMSLEY RD
FairOver: SAND CREEK
0.75 MI S TURPIN, Macon, IL
Built 1966 Load: 74.2 t ADT: 125
US 40 (FAS 1707)
FairOver: MILL CREEK
.5 MI E CLARK CTR, Clark, IL
Built 2011 Load: 75.2 t ADT: 2,750
I-294
FairOver: STREAM
0.1 M N I-80, Cook, IL
Built 1958 Load: 75.2 t ADT: 104,500
DEER TRAIL COURT
FairOver: TRIB C MARLEY CREEK
0.2 MI E 108TH AVE, Cook, IL
Built 2014 Load: 75.8 t ADT: 325
RILEY RD
FairOver: STREAM
0.2 MI S GRANGE RD, McHenry, IL
Built 1930 Load: 75.8 t ADT: 275
US 52 & ILL 64
FairOver: CARROLL CREEK
1.7 MI E OF ILL 78, Carroll, IL
Built 2014 Load: 76.5 t ADT: 2,950
FAS 674(CH 31)
FairOver: LITTLE WABASH RIVER
S END LAKE PARADISE, Coles, IL
Built 1938 Load: 76.5 t ADT: 1,450
IL 10 (FAP 717)
FairOver: CREEK
3.5 MI W CLINTON, De Witt, IL
Built 1931 Load: 77.1 t ADT: 1,700
PARK AVE
FairOver: CAL UNION DITCH
0.5 M S US 6, Cook, IL
Built 1958 Load: 77.4 t ADT: 8,500
FAI-64
FairOver: WATSON CREEK
.5 MI E US-45 INT, Wayne, IL
Built 1974 Load: 77.4 t ADT: 12,000
WB I-74
FairOver: DRY RUN CR
NE-5-T8NR8E, Peoria, IL
Built 1963 Load: 77.8 t ADT: 25,500
BEST ROAD
FairOver: PINK CREEK
0.7 MI S OF TRASK BR, Winnebago, IL
Built 1974 Load: 77.8 t ADT: 100
I-74 WB
FairOver: KICKAPOO CR
5.93 MI E OF US 51, McLean, IL
Built 1968 Load: 78.1 t ADT: 9,500
I-74
FairOver: FEATHER CREEK
0.6 MI E CH 11, Vermilion, IL
Built 1959 Load: 78.7 t ADT: 25,200
IL 23
FairOver: DRAINAGE DITCH
2.4 MI S OF I88, DeKalb, IL
Built 1926 Load: 79.1 t ADT: 3,950
I-88
FairOver: DRAINAGE DITCH
2.5 M. SW. HILLSDALE, Rock Island, IL
Built 1976 Load: 79.4 t ADT: 13,500
Showing 13,901-13,950 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.