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
MAIN ST (MS#2300)
PoorOver: EMBARRAS RIVER
W EDGE OF CAMARGO, Douglas, IL
Built 1955 Load: 27.5 t ADT: 225
TR 48A BRENTON
PoorOver: STREAM
1300E 2270N, Ford, IL
Built 1973 Load: 27.5 t ADT: 50
NORTH RD TR-11
PoorOver: COLLINS RUN
.15 MI E BRISBIN RD, Grundy, IL
Built 1976 Load: 27.5 t ADT: 375
TR-84 WARD RD
PoorOver: JOHNNY RUN
.43 MI S PRAIRIE RD, Grundy, IL
Built 1978 Load: 27.5 t ADT: 75
CH 11
PoorOver: Trib to Raccoon Cree
6 MI SW Bridgeport, Lawrence, IL
Built 1934 Load: 27.5 t ADT: 35
CH-6 (BROOKLYN RD)
PoorOver: WILLOW CREEK
0.5 MI N US 30, Lee, IL
Built 1957 Load: 27.5 t ADT: 250
FAS 1439 - CH 8
PoorOver: CAMP CREEK
NE-20-T4NR3W, McDonough, IL
Built 1937 Load: 27.5 t ADT: 200
MCCUE ROAD
PoorOver: KISHWAUKEE RIVER
0.6 MI S OF IL 176, McHenry, IL
Built 1973 Load: 27.5 t ADT: 400
TR-73 (Allendale R
PoorOver: NIPPERSINK CR
0.4 MI E OF IL 47, McHenry, IL
Built 1978 Load: 27.5 t ADT: 850
FAS 1571
PoorOver: SALT CREEK
5.0 MI NE GREENVIEW, Menard, IL
Built 1978 Load: 27.5 t ADT: 100
COLUMBIAN ROAD
PoorOver: PINE CREEK
7.0 MI E OF POLO, Ogle, IL
Built 1985 Load: 27.5 t ADT: 100
PILGRIM RD
PoorOver: SEUEN MILE BRANCH
2.0 M E OF WOOSUNG, Ogle, IL
Built 1982 Load: 27.5 t ADT: 50
ILL 29
PoorOver: BARRVILLE CREEK
2 MI S OF SPARLAND, Peoria, IL
Built 1948 Load: 27.5 t ADT: 4,950
ILL 157
PoorOver: LITTLE CANTEEN CREEK
IN CASEYVILLE, St. Clair, IL
Built 1929 Load: 27.5 t ADT: 10,900
PLUM HILL TR 180
PoorOver: LOOP CREEK
0.3 MI S ILL 177, St. Clair, IL
Built 1980 Load: 27.5 t ADT: 350
US 30 EAST BOUND
PoorOver: DESPLAINES RIVER
0.8 MI W OF ILL 171, Will, IL
Built 1933 Load: 27.5 t ADT: 11,110
TR.186
PoorOver: PANTHER CREEK
2125 EAST 1275 NORTH, Woodford, IL
Built 1976 Load: 27.5 t ADT: 100
FAS 1358 CH 6
PoorOver: E BR PANTHER CREEK
0.75 MI N EL PASO, Woodford, IL
Built 1983 Load: 27.5 t ADT: 300
TR 176
PoorOver: LAKE FORK CK FLD PLN
1 W 1.5 S MI LAKE FK, Logan, IL
Built 1965 Load: 27.7 t ADT: 100
TR 362A
PoorOver: BEAR CRK
2.6 MI NW CAMP POINT, Adams, IL
Built 1967 Load: 27.9 t ADT: 100
COLER AV(MS 6120)
PoorOver: BONEYARD CREEK
N OF GREEN ST, Champaign, IL
Built 1900 Load: 27.9 t ADT: 225
FAS 1672(CH 16)
PoorOver: CREEK
2.0 E HUMBOLDT, Coles, IL
Built 1982 Load: 27.9 t ADT: 225
TR 17 A
PoorOver: GREASY CREEK
2 MI NE OF RARDIN, Coles, IL
Built 1988 Load: 27.9 t ADT: 50
RAND RD
PoorOver: DES PLAINES RIVER
0.5 M NW DEMPSTER RD, Cook, IL
Built 1928 Load: 27.9 t ADT: 25,500
TR-60
PoorOver: MORRIS CREEK
2 MI NW SHUMWAY, Effingham, IL
Built 1909 Load: 27.9 t ADT: 100
TR 60B PELLA
PoorOver: PELLA DRAINAGE DITCH
2910N,1600E, Ford, IL
Built 1980 Load: 27.9 t ADT: 25
FAS 457-CH 9
PoorOver: EAST CREEK
NW-12-T4NR3E, Fulton, IL
Built 1958 Load: 27.9 t ADT: 525
BRERETON RD-TR 111
PoorOver: COPPERAS CREEK
NE-11-T7NR4E, Fulton, IL
Built 1977 Load: 27.9 t ADT: 175
MINOOKA RD FAU400
PoorOver: TRIB TO AUX SABLE CR
.32 MI E BRISBIN RD, Grundy, IL
Built 1984 Load: 27.9 t ADT: 600
BROWN ROAD TR-150
PoorOver: WALLEY RUN
.9 MI S MINOOKA RD, Grundy, IL
Built 1979 Load: 27.9 t ADT: 75
BRISBIN RD FAU401
PoorOver: COLLINS RUN
1.43 MI S MINOOKA RD, Grundy, IL
Built 1978 Load: 27.9 t ADT: 1,100
GOODFARM RD TR 155
PoorOver: E FORK MAZON RIVER
.96 MI E STORM RD, Grundy, IL
Built 1978 Load: 27.9 t ADT: 50
TR-324
PoorOver: CONTRARY CREEK
2 MI S DALE, Hamilton, IL
Built 1909 Load: 27.9 t ADT: 75
FAS 431
PoorOver: MUD CREEK
2.3 MI S. OF WEST PO, Hancock, IL
Built 1959 Load: 27.9 t ADT: 200
TR 46
PoorOver: RILEY CREEK
2.0 SW NAUVOO, Hancock, IL
Built 1971 Load: 27.9 t ADT: 50
FAI-57 NB
PoorOver: PRAIRIE CR
6.16 MI S OF ILL 116, Iroquois, IL
Built 1967 Load: 27.9 t ADT: 9,050
TR 280
PoorOver: TRIB. TO MUD CR
1.5 MI SW MILFORD, Iroquois, IL
Built 1971 Load: 27.9 t ADT: 75
TR 452
PoorOver: STREAM
2.5 MI S. 5 E EFFNER, Iroquois, IL
Built 1977 Load: 27.9 t ADT: 25
TOWNSHIP ROAD NO.
PoorOver: SMALLPOX CREEK
6 MI E GALENA, Jo Daviess, IL
Built 1957 Load: 27.9 t ADT: 375
TR 6A,MERCER CO LI
PoorOver: TRIB.TO N.HENDERSON
SW-7-T13NR1E, Knox, IL
Built 1965 Load: 27.9 t ADT: 10
US 52
PoorOver: MISSION CREEK
0.3 MI W OF ILL 71, LaSalle, IL
Built 1930 Load: 27.9 t ADT: 1,850
FAU 7403(CH 30)
PoorOver: FINLEY CREEK
IN MT ZION, Macon, IL
Built 1977 Load: 27.9 t ADT: 6,300
GROVE RD(FAU 7401)
PoorOver: SAND CREEK
0.9 MI E FRANKLIN, Macon, IL
Built 1909 Load: 27.9 t ADT: 850
FAS 929
PoorOver: ICGRR
ROUND KNOB, Massac, IL
Built 1985 Load: 27.9 t ADT: 650
TR139/OUTLET RD
PoorOver: MONROE CITY CK
SEC 10 RD DISTRICT10, Monroe, IL
Built 1978 Load: 27.9 t ADT: 75
TR 19 A
PoorOver: W OKAW RIVER
1.7 MI W LOVINGTON, Moultrie, IL
Built 1977 Load: 27.9 t ADT: 100
PLUCKER ROAD
PoorOver: BR OF STILLMAN CREEK
2.5 M SW STILLMAN VA, Ogle, IL
Built 1980 Load: 27.9 t ADT: 75
TR 59
PoorOver: GOOSE CREEK
1.0 MI SW DELAND, Piatt, IL
Built 1965 Load: 27.9 t ADT: 75
TR 171
PoorOver: LAKE FORK
3.2 MI SE BEMENT, Piatt, IL
Built 1964 Load: 27.9 t ADT: 75
ILL 29
PoorOver: SENACHWINE CREEK
1.25 MI N OF PUTNAM, Putnam, IL
Built 1962 Load: 27.9 t ADT: 3,200
Showing 26,801-26,850 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.