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
US 40(FAS 1707)
FairOver: STREAM
W EDGE OF MARSHALL, Clark, IL
Built 1953 Load: 89.1 t ADT: 3,100
I-290
FairOver: SALT CREEK
1.2 M S IL 72, Cook, IL
Built 1970 Load: 89.1 t ADT: 165,000
I-294
FairOver: SILVER CREEK
1.7 MI N. OF US 20, Cook, IL
Built 1959 Load: 89.1 t ADT: 173,100
FAP-766 (ILL-32)
FairOver: STREAM
2 MI N ILL-33, Effingham, IL
Built 1932 Load: 89.1 t ADT: 4,350
ILL 148
FairOver: STREAM S CHRISTOPHER
1.2 MI S CHRISTOPHER, Franklin, IL
Built 1967 Load: 89.1 t ADT: 3,750
ILL 78
FairOver: MID BR COPPERAS CR
4.5M S OF ILL 116, Fulton, IL
Built 1964 Load: 89.1 t ADT: 3,800
TR 770
FairOver: BRANCH COAL CREEK
S.CTR-25-T8NR2E, Fulton, IL
Built 1955 Load: 89.1 t ADT: 75
TR 267
FairOver: SAND BRANSH
41 M SE OFCARROLLTON, Greene, IL
Built 1986 Load: 89.1 t ADT: 50
TR 46
FairOver: WAGGONER CREEK
3 MI N OF HAMILTON, Hancock, IL
Built 1961 Load: 89.1 t ADT: 150
IL 9
FairOver: DITCH
0.4 M W OF 9/94 JCT, Hancock, IL
Built 1928 Load: 89.1 t ADT: 950
I74 & I280
FairOver: TURNER CREEK
2 MI W INT I74 & I80, Henry, IL
Built 1962 Load: 89.1 t ADT: 15,000
ILL 1
FairOver: BIG BEAVER CREEK
.76 MI N PAPINEAU RD, Iroquois, IL
Built 1998 Load: 89.1 t ADT: 2,000
ILL 149
FairOver: L. M'BORO SPILLWAY
1.7 MI W MURPHYSBORO, Jackson, IL
Built 1933 Load: 89.1 t ADT: 2,500
AIRPORT RD(UNMARKE
FairOver: STREAM
0.6 MI N OF ILL 13, Jackson, IL
Built 1959 Load: 89.1 t ADT: 1,350
ILL 13
FairOver: STREAM
1 MI E OF MURPHYSBOR, Jackson, IL
Built 1956 Load: 89.1 t ADT: 14,800
MEEKER STREET
FairOver: HUGHLETTS BRANCH
CENTER OF GALENA, Jo Daviess, IL
Built 1987 Load: 89.1 t ADT: 2,650
I 24
FairOver: DRY FORK CREEK
1.88M E OF ILL 37, Johnson, IL
Built 1976 Load: 89.1 t ADT: 22,300
MCLEAN BLVD
FairOver: TYLER CREEK
1.5 M S OF I-90, Kane, IL
Built 1976 Load: 89.1 t ADT: 18,000
SOLA DRIVE
FairOver: TYLER CREEK TRIB
E OF EAST END DRIVE, Kane, IL
Built 1990 Load: 89.1 t ADT: 725
I74WB REST AREA RA
FairOver: TRIB SPOON RIVER
SPOON RIVER RESTAREA, Knox, IL
Built 1976 Load: 89.1 t ADT: 500
COUNTY HIGHWAY 07
FairOver: MIDDLE CREEK
NE-4-T11NR2E, Knox, IL
Built 1956 Load: 89.1 t ADT: 325
TR 325
FairOver: HERMON CREEK
NE-17-T9NR2E, Knox, IL
Built 1975 Load: 89.1 t ADT: 25
FAS 398 - CH 20
FairOver: TRIB TO HAW CREEK
NW-1-T9NR2E, Knox, IL
Built 1973 Load: 89.1 t ADT: 100
STATE ST
FairOver: COURT CREEK
STATE&ATSFRR, Knox, IL
Built 1992 Load: 89.1 t ADT: 1,300
I-39
FairOver: SE Half Conveyor B
0.05 M S of US 6, LaSalle, IL
Built 1961 Load: 89.1 t ADT: 19,400
FAS2256 CH19
FairOver: DRAINAGE DITCH
N 39TH,E 850, LaSalle, IL
Built 1964 Load: 89.1 t ADT: 275
OR 11
FairOver: PERSON CREEK
ILLINI PARK RD WEST, LaSalle, IL
Built 1984 Load: 89.1 t ADT: 325
US ROUTE 52
FairOver: BUREAU CREEK
2 MI SE SUBLETTE, Lee, IL
Built 2002 Load: 89.1 t ADT: 2,500
ILL 108
FairOver: DRAINAGE DITCH
0.1MI E IL 4, Macoupin, IL
Built 1933 Load: 89.1 t ADT: 6,950
ILL 108
FairOver: SUGAR CREEK
3.2MI E IL 4, Macoupin, IL
Built 1933 Load: 89.1 t ADT: 2,000
ILL 16
FairOver: COOP CR BRANCH
0.6MI W SHIPMAN, Macoupin, IL
Built 1932 Load: 89.1 t ADT: 2,200
ILL 16
FairOver: W FK COOP BRANCH
2.1MI W IL16/159 JCT, Macoupin, IL
Built 1932 Load: 89.1 t ADT: 1,800
TR 351
FairOver: CAHOKIA CR
4.5 NE EAGERVILLE, Macoupin, IL
Built 1920 Load: 89.1 t ADT: 175
FAS 736
FairOver: BRANCH OF SHERRY CR.
1.25MI.E.OF BUNKR HL, Macoupin, IL
Built 1980 Load: 89.1 t ADT: 1,200
SAND ROAD - TR 112
FairOver: STREAM
0.13 S OF FAI 270, Madison, IL
Built 1963 Load: 89.1 t ADT: 20
I-55/70
FairOver: Brush Creek
0.49 E ILL 157, Madison, IL
Built 1962 Load: 89.1 t ADT: 46,000
WALNUT RD/ TR 308
FairOver: LITTLE SILVER CREEK
3.0 MI SE ST JACOB, Madison, IL
Built 1976 Load: 89.1 t ADT: 150
FAU 9119
FairOver: TRIB TO CANTEEN CK
1.0 MI E MARYVILLE, Madison, IL
Built 1982 Load: 89.1 t ADT: 1,050
CH 72 OLD MORO RD
FairOver: ROCKY BRANCH
2.0 MI NORTH MORO, Madison, IL
Built 1987 Load: 89.1 t ADT: 350
STAUNTON RD CH 21
FairOver: TRIB TO WENDALL BR
1 MI N. OF TROY, Madison, IL
Built 1968 Load: 89.1 t ADT: 1,300
GERBER WOODS DRIVE
FairOver: TRIB TO DUNLAP LAKE
0.11 MI E GERBER RD, Madison, IL
Built 1994 Load: 89.1 t ADT: 250
IL 29
FairOver: SLEEPY HOLLOW DITCH
1.5M N MENARD COUNTY, Mason, IL
Built 1959 Load: 89.1 t ADT: 2,000
FAP 407 IL 336
FairOver: TRIB KILLJORDAN CRK
0.2 MI NE TR 226, McDonough, IL
Built 2008 Load: 89.1 t ADT: 3,800
LAWRENCE ROAD
FairOver: T OF W BR PISCASAW
0.8 M E OF PERKINS R, McHenry, IL
Built 1940 Load: 89.1 t ADT: 350
MAPLE RD. C.H.(T-5
FairOver: TRIB COON CREEK
.15 MI N BECK ROAD, McHenry, IL
Built 1945 Load: 89.1 t ADT: 1,150
HALIGUS ROAD
FairOver: KISHWAUKEE RIVER
1.5 M S 176 1.1 E 47, McHenry, IL
Built 1967 Load: 89.1 t ADT: 4,650
ILL 29
FairOver: INDIAN CREEK
2 MI NO ATHENS, Menard, IL
Built 1957 Load: 89.1 t ADT: 4,200
J ROAD/ TR 102
FairOver: TRIB TO ROCKHOUSE CR
RD DIST NO3, Monroe, IL
Built 1985 Load: 89.1 t ADT: 150
FAI 72
FairOver: N FK MAUVAISE TERRE
1.MI W ALEXANDER INT, Morgan, IL
Built 1976 Load: 89.1 t ADT: 14,500
IL 121(FAP 320)
FairOver: STREAM
IN BETHANY, Moultrie, IL
Built 1970 Load: 89.1 t ADT: 4,150
Showing 14,001-14,050 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.