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 110
FairOver: SPILLMAN CREEK
2.5 SW PONTOOSUC, Hancock, IL
Built 1915 Load: 21.4 t ADT: 50
TOWNSHIP RD NO 180
FairOver: SCRUB CREEK
4 MI SW PLEASANT VLY, Jo Daviess, IL
Built 1939 Load: 21.4 t ADT: 25
FLETCHER DRIVE
FairOver: TYLER CREEK
0.03 MI E RANDALL RD, Kane, IL
Built 1958 Load: 21.4 t ADT: 500
MS 0025
FairOver: TRAIL CR
3 MI NE CHEBANSE, Kankakee, IL
Built 1967 Load: 21.4 t ADT: 500
TR 126
FairOver: HERMON CREEK
NW-10-T9NR2E, Knox, IL
Built 1967 Load: 21.4 t ADT: 100
IL 173
FairOver: SEQUOIT CREEK
0.5 M W OF IL 59, Lake, IL
Built 1931 Load: 21.4 t ADT: 13,900
TR 220 D
FairOver: S FORK VERMILION R
860 N, 2500 E, Livingston, IL
Built 1970 Load: 21.4 t ADT: 175
TR 47
FairOver: OTTER CRK.
1.5 S 5.5 W VIRDEN, Macoupin, IL
Built 1900 Load: 21.4 t ADT: 50
TR 406
FairOver: KEPPLE CREEK
NW-16-T6NR1W, McDonough, IL
Built 1900 Load: 21.4 t ADT: 75
284
FairOver: MAUVAISE TERRE CREEK
2.2 MI SW OF ORLEANS, Morgan, IL
Built 1956 Load: 21.4 t ADT: 75
WILLOUGHBY RD
FairOver: UNNAMED CR
2.5 MI NE MONROE CEN, Ogle, IL
Built 1959 Load: 21.4 t ADT: 150
PARKS SCH RD
FairOver: JUBILEE CREEK
NE1/4 4 JUBILEE TWP, Peoria, IL
Built 1970 Load: 21.4 t ADT: 300
TR 351
FairOver: STREAM
NE LA PLACE, Piatt, IL
Built 1969 Load: 21.4 t ADT: 50
TR 66
FairOver: LONG GROVE CREEK
1.2 MI N MOWEAQUA, Shelby, IL
Built 1922 Load: 21.4 t ADT: 200
TR 82
FairOver: STREAM
5.7 MI SE ASSUMPTION, Shelby, IL
Built 1916 Load: 21.4 t ADT: 50
WARREN RD.
FairOver: INDIAN CREEK
3 MI. WEST WINSLOW, Stephenson, IL
Built 1962 Load: 21.4 t ADT: 375
N. DAKOTA RD
FairOver: WINNESHEIK CR BRANCH
2.0 MI S OF DAKOTA, Stephenson, IL
Built 1962 Load: 21.4 t ADT: 125
FAS 0926
FairOver: CREEK
1.6 MI E OF ILL 127, Union, IL
Built 1937 Load: 21.4 t ADT: 325
FAS 413 - CH 11
FairOver: S HENDERSON CR
SW-21-T10NR3W, Warren, IL
Built 1949 Load: 21.4 t ADT: 450
CH 13
FairOver: DAVIDS CR
N.CTR-34-T12NR3W, Warren, IL
Built 1939 Load: 21.4 t ADT: 175
FULFS RD
FairOver: BR OF CATTAIL CREEK
4.5 MI NW. MORRISON, Whiteside, IL
Built 1959 Load: 21.4 t ADT: 100
FOREST PRESERVE RD
FairOver: SUGAR CREEK
0.8 MI E HAULEY RD, Winnebago, IL
Built 1937 Load: 21.4 t ADT: 450
SEMINARY STREET
FairOver: CN RR
S CENTRAL ROCKFORD, Winnebago, IL
Built 1901 Load: 21.4 t ADT: 1,150
TR 136
FairOver: WALNUT CR
2.2 MI N E GOODFIELD, Woodford, IL
Built 1966 Load: 21.4 t ADT: 50
FAS 946
FairOver: DRAINAGE DITCH
2.6 MI S OLIVE BR., Alexander, IL
Built 1962 Load: 21.7 t ADT: 125
RUSSELLVILLE RD
FairOver: PISCASAW BRANCH
5.0 MI SE POPLAR GR, Boone, IL
Built 1960 Load: 21.7 t ADT: 700
TR-44
FairOver: FAIRFIELD DITCH
1 MI. S.E. OF THOMAS, Bureau, IL
Built 1960 Load: 21.7 t ADT: 75
W AIRPORT ROAD
FairOver: DRAINAGE DITCH
2 MILES S SAVANNA, Carroll, IL
Built 1955 Load: 21.7 t ADT: 400
KING RD
FairOver: JOHNSON CREEK
6.5 MI SW MT CARROLL, Carroll, IL
Built 1953 Load: 21.7 t ADT: 100
US 45(FAS 1522)
FairOver: UPPER SALT CREEK
.7 MI S OF LUDLOW, Champaign, IL
Built 1953 Load: 21.7 t ADT: 3,400
MS 2500 HAMILTON
FairOver: OWL CREEK
NW CORNER FISHER, Champaign, IL
Built 1975 Load: 21.7 t ADT: 250
TR 288
FairOver: S. FORK LAKE FORK
2.5 MI NNE PANA, Christian, IL
Built 1950 Load: 21.7 t ADT: 100
CH-12 (FAS-732)
FairOver: COTTON CREEK
8.75 MI W PANA, Christian, IL
Built 1939 Load: 21.7 t ADT: 500
FAS-2799 (CH-1)
FairOver: ELM CREEK
1.5 MI N FLORA, Clay, IL
Built 1914 Load: 21.7 t ADT: 900
TR 20/OLD TRENTON
FairOver: BRANCH SUGAR CREEK
2 MI N TRENTON, Clinton, IL
Built 1919 Load: 21.7 t ADT: 100
TR 187
FairOver: STREAM
2 MI SW CHARLESTON, Coles, IL
Built 1909 Load: 21.7 t ADT: 75
FAU-2537 BARTLETT
FairOver: POPLAR CREEK
0.4 M N BODE RD P7, Cook, IL
Built 1936 Load: 21.7 t ADT: 11,600
SYLVAN ROAD
FairOver: CREEK
WEST OF SHERIDAN, Cook, IL
Built 1985 Load: 21.7 t
FAIRVIEW DRIVE
FairOver: KILBUCK CREEK
1900N 080E, DeKalb, IL
Built 1955 Load: 21.7 t ADT: 50
UNIVERSITY RD
FairOver: SO BR KISHWAUKEE RV
1455N 500E, DeKalb, IL
Built 1954 Load: 21.7 t ADT: 950
UNIVERSITY RD
FairOver: S BR KISHWAUKEE RV
1270N 500E, DeKalb, IL
Built 1954 Load: 21.7 t ADT: 950
TR 363
FairOver: STREAM
4.5 M S KANSAS 0.8 E, Edgar, IL
Built 1974 Load: 21.7 t ADT: 50
TR 8 SULLIVANT
FairOver: MACKINAW RIVER
1110N,100E, Ford, IL
Built 1972 Load: 21.7 t ADT: 25
CH 16
FairOver: LOST GROVE CREEK
NE-19-T7NR3E, Fulton, IL
Built 1956 Load: 21.7 t ADT: 50
TR112
FairOver: CREEK
.6M.S.JCT.W/FAS1923, Jackson, IL
Built 1970 Load: 21.7 t ADT: 10
TR-159A
FairOver: SOUTHERN RR
2.5 MI N MT VERNON, Jefferson, IL
Built 1909 Load: 21.7 t ADT: 275
TOWNSHIP RD NO 244
FairOver: PLUM RIVER
4 MI S STOCKTON, Jo Daviess, IL
Built 1956 Load: 21.7 t ADT: 50
IL 56
FairOver: FOX RIVER
0.1 MI E OF IL 31, Kane, IL
Built 1931 Load: 21.7 t ADT: 11,900
FAI 74
FairOver: SPOON RIV TRIBUTARY
0.6 MI E. SPOON RIV, Knox, IL
Built 1968 Load: 21.7 t ADT: 15,400
I-39 SB/US 51 SB
FairOver: TOMAHAWK CREEK
3.5 MI N OF I-80, LaSalle, IL
Built 1979 Load: 21.7 t ADT: 9,300
Showing 4,751-4,800 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.