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
MILLEGEVILLE RD
PoorOver: BUFFALO CREEK
2.5 MI SW POLO, Ogle, IL
Built 1939 Load: 19.1 t ADT: 900
CO HWY 1
PoorOver: LITTLE BEAUCOUP CRK
4 MI N OF ILL 154, Perry, IL
Built 1959 Load: 19.1 t ADT: 650
127TH AVE (CH 55)
PoorOver: MILL CREEK
4 MI. SE. OF MILAN, Rock Island, IL
Built 1993 Load: 19.1 t ADT: 600
WOODCREEK DRIVE
PoorOver: LILY CACHE LN TRIB
.17M S LILY CACHE LN, Will, IL
Built 1981 Load: 19.1 t ADT: 2,200
TR 5
PoorOver: Trib Williams Creek
0.25 mi E TR 462, Adams, IL
Built 1965 Load: 19.4 t ADT: 50
STONE QUARRY RD
PoorOver: HACKEY CREEK
0.5 S BELVIDERE, Boone, IL
Built 1945 Load: 19.4 t ADT: 1,550
FAS 582
PoorOver: RUSSET BRANCH
W VERSAILLES CTY LMT, Brown, IL
Built 1957 Load: 19.4 t ADT: 250
TR 143
PoorOver: E.BRANCH BUREAU CREE
0.7 MI. N.W. ZEARING, Bureau, IL
Built 1969 Load: 19.4 t ADT: 25
TR 384
PoorOver: BRUSH CREEK
1.5 MI S ARLINGTON, Bureau, IL
Built 1975 Load: 19.4 t ADT: 25
MAPLE AV/FAS245
PoorOver: HICKORY CREEK
E EDGE OF MANLIUS, Bureau, IL
Built 1930 Load: 19.4 t ADT: 475
FAS-2077 E Brkvl R
PoorOver: Otter Creek
3.5 MI SE LANARK, Carroll, IL
Built 1970 Load: 19.4 t ADT: 150
TR 83
PoorOver: SPOON RIVER
2.5 MI S GIFFORD, Champaign, IL
Built 1900 Load: 19.4 t ADT: 35
TR 109 A
PoorOver: STREAM
2.5 MI N ROYAL, Champaign, IL
Built 1900 Load: 19.4 t ADT: 100
SANGAMON ST
PoorOver: OWL CREEK
VILLAGE OF FISHER, Champaign, IL
Built 1970 Load: 19.4 t ADT: 475
TR 68
PoorOver: MILLER BRANCH
2 MI ENE MORRISONVLE, Christian, IL
Built 1921 Load: 19.4 t ADT: 50
TR 90
PoorOver: GEORGE BRANCH
2MI N EDINBURG, Christian, IL
Built 1915 Load: 19.4 t ADT: 50
TR 288
PoorOver: CORBETT BRANCH
1.5MI NE PANA, Christian, IL
Built 1940 Load: 19.4 t ADT: 100
JEFFERSON ST
PoorOver: STOCKWELL BRANCH
S EDGE MARTINSVILLE, Clark, IL
Built 1909 Load: 19.4 t ADT: 425
TR-128 (Goldeneye
PoorOver: BUCK CREEK
3.5 MI SE OSKALOOSA, Clay, IL
Built 1965 Load: 19.4 t ADT: 25
FAS-798
PoorOver: LITTLE MUDDY
BIBLE GROVE, Clay, IL
Built 1970 Load: 19.4 t ADT: 475
TR 250 A
PoorOver: POLECAT CREEK
3.8 MI SW ASHMORE, Coles, IL
Built 1935 Load: 19.4 t ADT: 100
WASHINGTON BLVD
PoorOver: ADDISON CR
0.7 M E US 45 P20, Cook, IL
Built 1931 Load: 19.4 t ADT: 8,750
FORESTWAY DR
PoorOver: DITCH
0.13 M N of Willow, Cook, IL
Built 1937 Load: 19.4 t ADT: 2,400
WINNETKA RD
PoorOver: N BR CHICAGO RIVER
0.75 M E LEE RD P14, Cook, IL
Built 1946 Load: 19.4 t ADT: 6,750
WEDGEWOOD DRIVE
PoorOver: ADDISON CREEK
0.5 MI E.OF US 45, Cook, IL
Built 1952 Load: 19.4 t ADT: 425
MONROE ST
PoorOver: ADDISON CR
0.72 M E MANHEIM P20, Cook, IL
Built 1928 Load: 19.4 t ADT: 225
31ST AVE
PoorOver: ADDISON CR
0.6 M E US 45, Cook, IL
Built 1928 Load: 19.4 t ADT: 350
TR-313
PoorOver: CREEK
2 MI SW HARDINVILLE, Crawford, IL
Built 1909 Load: 19.4 t ADT: 50
FAU-8322
PoorOver: CREEK
ROBINSON, Crawford, IL
Built 1909 Load: 19.4 t ADT: 650
PEARL ST
PoorOver: SO BR KISHWAUKEE RV
3215N 540E, DeKalb, IL
Built 1949 Load: 19.4 t ADT: 1,000
AIRPORT RD
PoorOver: UNION DITCH #1
1985N 1565E, DeKalb, IL
Built 1947 Load: 19.4 t ADT: 900
CRESCENT BOULEVARD
PoorOver: E BR DU PAGE RIVER
0.1 M W IL 53, DuPage, IL
Built 1984 Load: 19.4 t ADT: 2,200
WESTERN AVENUE
PoorOver: SAWMILL CREEK
.12 MI S I-55 FRONTA, DuPage, IL
Built 1949 Load: 19.4 t ADT: 75
SBI-11/FR-918
PoorOver: LILLY CREEK
5 MI W EFFINGHAM, Effingham, IL
Built 1919 Load: 19.4 t ADT: 10
TR-310
PoorOver: DIETERICH CREEK
2 MI SW DIETERICH, Effingham, IL
Built 1909 Load: 19.4 t ADT: 100
FAU 9452
PoorOver: SUGAR CREEK
FAU 9452-OV SUGAR CR, Franklin, IL
Built 1964 Load: 19.4 t ADT: 1,050
ILL 116
PoorOver: BR OF SWEGLE CR
LONDON MILLS, Fulton, IL
Built 1933 Load: 19.4 t ADT: 1,600
MIDDLE GRVE RD-TR4
PoorOver: COAL CREEK
SW-7-T8NR4E, Fulton, IL
Built 1938 Load: 19.4 t ADT: 50
FAS 892
PoorOver: SALINE RIVER
1.2 MI E OF IL 1, Gallatin, IL
Built 1900 Load: 19.4 t ADT: 350
TR 0267
PoorOver: SAND CREEK
4.1 M SE OF CARROLLT, Greene, IL
Built 1985 Load: 19.4 t ADT: 50
CALHOUN ST
PoorOver: ILL MICHIGAN CANAL
CALHOUN ST OV I&M C, Grundy, IL
Built 1930 Load: 19.4 t ADT: 900
TR 27
PoorOver: BRANCH OF SPRING CR.
3.0 MI NW LAHARPE, Hancock, IL
Built 1950 Load: 19.4 t ADT: 50
TR 71
PoorOver: TILTON CREEK
2.5 MI SW DURHAM, Hancock, IL
Built 1928 Load: 19.4 t ADT: 75
BRAIR BLUFF RD
PoorOver: TURNER CREEK
0.4 MI. N. OF US 6, Henry, IL
Built 1920 Load: 19.4 t ADT: 125
TR 163
PoorOver: OAT CREEK
4.5 MI SW ATKINSON, Henry, IL
Built 1937 Load: 19.4 t ADT: 50
TR 194
PoorOver: BR OF SPRING CREEK
3.5 MI NE CAMBRIDGE, Henry, IL
Built 1930 Load: 19.4 t ADT: 50
TR 285
PoorOver: MUD CREEK TRIBUTARY
2.0 MI N KEWANEE, Henry, IL
Built 1958 Load: 19.4 t ADT: 225
FAS1335CH42
PoorOver: TRIB LITTLE MUD CR
3MI NW CISSNA PARK, Iroquois, IL
Built 1918 Load: 19.4 t ADT: 150
TR-142
PoorOver: WOLF CREEK
2 MI W ROSE HILL, Jasper, IL
Built 1909 Load: 19.4 t ADT: 25
TOWNSHIP RD NO 252
PoorOver: S FORK APPLE RIV
5 MI NO STOCKTON, Jo Daviess, IL
Built 1901 Load: 19.4 t ADT: 25
Showing 26,151-26,200 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.