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
GREENLEAF TO IL120
FairOver: RR - CP
0.75 M W OF US 41, Lake, IL
Built 1977 Load: 55.7 t ADT: 4,200
IL 120 EB TO GRNLE
FairOver: RR - CP
0.75 M W OF US 41, Lake, IL
Built 1977 Load: 55.7 t ADT: 4,000
ILL 251
FairOver: ADRIANS CREEK
1.9 MI S JCT US 30, Lee, IL
Built 1987 Load: 55.7 t ADT: 800
US 51 SB (FAP 710)
FairOver: SPRING CREEK
0.3MI N PERSHING RD, Macon, IL
Built 1965 Load: 55.7 t ADT: 10,000
IL 4
FairOver: MACOUPIN CREEK
1.7M S IL 108, Macoupin, IL
Built 1960 Load: 55.7 t ADT: 4,450
FAP-327 (US-50)
FairOver: E BR SUGAR CREEK
2 MI W ILL-130, Richland, IL
Built 1963 Load: 55.7 t ADT: 3,750
FAI 280 EB
FairOver: CASE CREEK
2 MI W OF I-74, Rock Island, IL
Built 1960 Load: 55.7 t ADT: 10,400
FAI 280 WB
FairOver: CASE CREEK
2 MI W OF I-74, Rock Island, IL
Built 1960 Load: 55.7 t ADT: 10,400
I-155
FairOver: DRAINAGE DITCH
2.2 MI N OF US 136, Tazewell, IL
Built 1992 Load: 55.7 t ADT: 11,000
ILL 146
FairOver: TRIB.OF CACHE CREEK
2 MI W.JOHNSON CO., Union, IL
Built 1932 Load: 55.7 t ADT: 2,500
135TH (WB) ST
FairOver: W.B.DESPLAINES RIVER
0.4 M.E. ILL 53, Will, IL
Built 1950 Load: 55.7 t ADT: 7,100
135TH (WB) ST
FairOver: E.B.DESPLAINES RIVER
3/4 MI E ILL 53, Will, IL
Built 1950 Load: 55.7 t ADT: 7,100
IL 29 NB
FairOver: CLEAR CREEK
0.9 MI NW SHARPSBURG, Christian, IL
Built 2005 Load: 56.1 t ADT: 8,550
I- 55 WB STEVENSON
FairOver: RR - CSXT
2.2 M SW ILL 43, Cook, IL
Built 1963 Load: 56.1 t ADT: 70,000
I- 55 EB STEVENSON
FairOver: RR - CSXT
2.2 M SW ILL 43, Cook, IL
Built 1963 Load: 56.1 t ADT: 70,000
I- 55 EB ELEVATED
FairOver: S BR CHICAGO RIVER
1.1 M SW I-94, Cook, IL
Built 1963 Load: 56.1 t ADT: 75,400
US 67
FairOver: CEDAR CR
4 MI N OF MONMOUTH, Warren, IL
Built 2011 Load: 56.1 t ADT: 2,600
ILL 15
FairOver: NASHVILLE CREEK
0.7 MI E ILL 127, Washington, IL
Built 1921 Load: 56.1 t ADT: 3,300
I- 55 SB
FairOver: RR - EJ&E
0.4 M N OF US 30, Will, IL
Built 1955 Load: 56.1 t ADT: 40,900
I- 80 EB
FairOver: HICKORY CREEK
0.3 M E OF IL-53, Will, IL
Built 1965 Load: 56.1 t ADT: 45,600
I-70 (WB)
FairOver: MILL CREEK
W MARSHALL, Clark, IL
Built 1968 Load: 56.4 t ADT: 11,700
IL 56
FairOver: E BR DUPAGE RIVER
0.34 M E IL 53, DuPage, IL
Built 1973 Load: 56.4 t ADT: 33,000
IL 116
FairOver: DRAINAGE AREA
5.5 MI W FARMINGTON, Fulton, IL
Built 2013 Load: 56.4 t ADT: 1,050
ILL 1 FAP 782
FairOver: LAWLER DITCH
2.3 MI S OF ILL 13, Gallatin, IL
Built 1979 Load: 56.4 t ADT: 1,850
IL 31
FairOver: RR - METRA
0.8 M S OF I-90, Kane, IL
Built 1952 Load: 56.4 t ADT: 21,000
FAP 320(IL 48 & 12
FairOver: DITCH
.16 MI W IL 48 N, Macon, IL
Built 1981 Load: 56.4 t ADT: 13,000
TR 191
FairOver: MAD RUN CREEK
E.CTR-35-T14NR5W, Mercer, IL
Built 1985 Load: 56.4 t ADT: 25
MARTIN WEBER ROAD
FairOver: E BR COPPERAS CREEK
NW COR 16 T7NR6E, Peoria, IL
Built 1980 Load: 56.4 t ADT: 100
FAS 841
FairOver: WEST FORK CREEK
4.5MI S JCT ILL 158, St. Clair, IL
Built 1959 Load: 56.4 t ADT: 3,250
I-70
FairOver: E MILL CREEK
MP 144.3, Clark, IL
Built 1969 Load: 56.7 t ADT: 23,400
IL 72
FairOver: POPLAR CREEK
0.2 M E BARRINGTON, Cook, IL
Built 1970 Load: 56.7 t ADT: 23,400
E FRONT RD OF I-15
FairOver: N FORK PRAIRIE CREEK
.3M N US 136, Logan, IL
Built 1990 Load: 56.7 t ADT: 100
TR 53
FairOver: MACOUPIN CREEK
2.5 MI NW WAGGONER, Montgomery, IL
Built 1900 Load: 56.7 t ADT: 25
FAP 320(IL 121)
FairOver: CRABAPPLE CREEK
.1 MI W OF CO LINE, Moultrie, IL
Built 1977 Load: 56.7 t ADT: 3,850
FAS 1920
FairOver: CREEK
1.5 MI E ULLIN, Pulaski, IL
Built 1966 Load: 56.7 t ADT: 550
NEW IL 13 ALIGNMEN
FairOver: H'BURG DRAIN DITCH
W OF GRANGER ST, Saline, IL
Built 2012 Load: 56.7 t ADT: 6,650
FAU 6998 (CH 20)
FairOver: Lake Vermilion
0.7 mi W of IL 1 / US 136, Vermilion, IL
Built 1998 Load: 56.7 t ADT: 3,800
FAP-877 (ILL-141)
FairOver: LITTLE WABASH RIVER
NCL NEW HAVEN, White, IL
Built 1955 Load: 56.7 t ADT: 3,450
I- 80 WB
FairOver: DUPAGE RIVER
0.8 M W OF I-55, Will, IL
Built 1960 Load: 56.7 t ADT: 25,150
ILL 151
FairOver: AUSTIN CREEK
0.3 MI N OF ILL 3, Jackson, IL
Built 1935 Load: 57.0 t ADT: 750
FAI-80 EB
FairOver: B.N. RR
2.0 MI E OF ILL 23, LaSalle, IL
Built 1959 Load: 57.0 t ADT: 13,700
FAI-80 WB
FairOver: B.N. RR
2.0 MI E OF ILL 23, LaSalle, IL
Built 1959 Load: 57.0 t ADT: 13,700
ILL 29
FairOver: CRANE CREEK
1.4 MI S OF ILL 122, Tazewell, IL
Built 1920 Load: 57.0 t ADT: 1,500
ILL 98
FairOver: LICK CREEK
.75mi E JCT IL 29&98, Tazewell, IL
Built 1999 Load: 57.0 t ADT: 3,750
MCDANIEL SCHOOL RD
FairOver: EAST FORK SANDY CK
2.7MI N OF CH 4, Alexander, IL
Built 2010 Load: 57.3 t ADT: 25
I-57
FairOver: BIG DITCH
1.75 MI N OF US 136, Champaign, IL
Built 1970 Load: 57.3 t ADT: 21,100
I-57 (NB)
FairOver: FLAT BRANCH
.5 MI N HUMBOLDT RD, Coles, IL
Built 1967 Load: 57.3 t ADT: 11,350
I-57 (SB)
FairOver: FLAT BRANCH
.5 MI N HUMBOLDT, Coles, IL
Built 1967 Load: 57.3 t ADT: 11,350
75TH ST
FairOver: W. BR. DUPAGE RIVER
0.1M E OF WASH ST, DuPage, IL
Built 2010 Load: 57.3 t ADT: 31,300
Hillview Eldred Ro
FairOver: COLE CREEK
2.2 M S JCT 108, Greene, IL
Built 2011 Load: 57.3 t ADT: 550
Showing 13,651-13,700 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.