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-259
PoorOver: RAYSE CREEK
3 MI W WOODLAWN, Jefferson, IL
Built 2006 Load: 41.1 t ADT: 50
FAS-801
PoorOver: SUGAR CREEK
4 MI E BIRDS, Lawrence, IL
Built 1930 Load: 41.1 t ADT: 375
DUTCH ROAD - TR 66
PoorOver: 5 MILE BRANCH
1 MI N US 30, Lee, IL
Built 1987 Load: 41.1 t ADT: 100
TR 408
PoorOver: DROWNING FORK
SW-28-T7NR1W, McDonough, IL
Built 1977 Load: 41.1 t ADT: 225
ILL 13
PoorOver: MID FORK SALINE RIV.
1.6 MI E HARRISBURG, Saline, IL
Built 1972 Load: 41.1 t ADT: 3,350
ILL 54
PoorOver: WOLF CREEK
1.6M E BARCLAY, Sangamon, IL
Built 1941 Load: 41.1 t ADT: 2,150
RICHARD ST
PoorOver: HICKORY CREEK
0.1 M N OF I-80, Will, IL
Built 1967 Load: 41.1 t ADT: 12,100
I- 55 WB STEVENSON
PoorOver: RR - BNSF
0.6 M E US 45, Cook, IL
Built 1964 Load: 41.5 t ADT: 61,500
TR 8A
PoorOver: WHITEDITCHCREEK
8 M S OF ELDRED, Greene, IL
Built 1987 Load: 41.5 t ADT: 10
HILLSBORO FILLMORE
PoorOver: WEST BRANCH DRY FORK
1.8 MI W OF FILLMORE, Montgomery, IL
Built 1969 Load: 41.5 t ADT: 550
ILL 8 FARMINGTON R
PoorOver: DRY RUN CREEK
W PEO NEAR B.PARK, Peoria, IL
Built 1928 Load: 41.5 t ADT: 9,400
PARKS SCH RD
PoorOver: BR KICKAPOO CREEK
SE1/4 2 RADNOR TWP, Peoria, IL
Built 1975 Load: 41.5 t ADT: 325
SBI-15
PoorOver: UNNAMED STREAM
3.5 MI W EDWARDS C L, Wayne, IL
Built 1921 Load: 41.5 t ADT: 10
COUNTY FARM RD
PoorOver: W BRANCH DU PAGE RIV
0.5 MI S Sterns Rd, DuPage, IL
Built 1929 Load: 41.8 t ADT: 17,100
ILL 122
PoorOver: IL CENTRAL RR SPUR
IN DELAVAN, Tazewell, IL
Built 1975 Load: 41.8 t ADT: 1,750
CH-21
PoorOver: OWENS CREEK
3 MI. NW GOLDEN GATE, Wayne, IL
Built 2006 Load: 41.8 t ADT: 325
TR 207
PoorOver: LONG BRANCH
4 MI W ASSUMPTION, Christian, IL
Built 1902 Load: 42.1 t ADT: 50
IL-13 EB
PoorOver: Big Muddy River
Murphysboro, Jackson, IL
Built 2014 Load: 42.1 t ADT: 16,600
IL 1 (HALSTED ST
PoorOver: RR- CSXT
1.5 M N IL 83, Cook, IL
Built 1935 Load: 42.4 t ADT: 13,700
RANDOLPH ST
PoorOver: S.BR.CHICAGO RIVER
375 W & 150 N, Cook, IL
Built 1903 Load: 42.4 t ADT: 6,100
ILL 115
PoorOver: CRANE CREEK
.2MI W OF BUCKINGHAM, Kankakee, IL
Built 1982 Load: 42.4 t ADT: 900
CH 9
PoorOver: BIG SANDY CREEK
1.0 MI N GLASGOW, Scott, IL
Built 1987 Load: 42.4 t ADT: 400
IL 111
PoorOver: CSXRR (UPRR, KCSRR)
N Edge of Washington Park, St. Clair, IL
Built 1935 Load: 42.4 t ADT: 2,750
US 6
PoorOver: DES PLAINES RIVER
0.25 M W IL 53, Will, IL
Built 1934 Load: 42.4 t ADT: 9,800
FAU-1552 GRMN CH R
PoorOver: FLAG CREEK
0.03 M W WOLF P10, Cook, IL
Built 1963 Load: 42.8 t ADT: 5,350
OAKWOOD DRIVE
PoorOver: BOONE CREEK
.5 M S 1201 M W 31, McHenry, IL
Built 1971 Load: 42.8 t ADT: 1,150
BENEDICT ST
PoorOver: SENACHWINE CREEK
NW QTR 17 CHILLICOTH, Peoria, IL
Built 1979 Load: 42.8 t ADT: 275
SOUTH ST(FAU 7007)
PoorOver: STONY CREEK
SE SIDE DANVILLE, Vermilion, IL
Built 1959 Load: 42.8 t ADT: 800
US 67
PoorOver: MACOUPIN CREEK
4.8 M S JCT 108-67, Greene, IL
Built 1969 Load: 43.1 t ADT: 4,750
FAI-57 SB
PoorOver: Louis Creek
7.33 M S ONARGA INT, Iroquois, IL
Built 1968 Load: 43.1 t ADT: 8,750
CO HWY 6
PoorOver: HENDERSON CREEK
NW-24-T13NR2W, Mercer, IL
Built 1975 Load: 43.4 t ADT: 50
ILL 147-FAS 932
PoorOver: CNIC RR
0.7 MI E JOHNSON CO, Pope, IL
Built 1941 Load: 43.4 t ADT: 400
TR 478 11E
PoorOver: BUCKHART CREEK
4.5 E ROCHESTER, Sangamon, IL
Built 1958 Load: 43.4 t ADT: 325
IL 7 SOUTHWEST H
PoorOver: CAL SAG CHANNEL
0.5 M NE IL 83, Cook, IL
Built 1931 Load: 43.7 t ADT: 25,400
FAI 57 NB
PoorOver: Louis Creek
7.33 M S ONARGA INT, Iroquois, IL
Built 1968 Load: 43.7 t ADT: 8,750
ILL 78
PoorOver: SPOON RIVER
3 MI N OF LAURA, Peoria, IL
Built 1927 Load: 43.7 t ADT: 2,450
BAUER RD
PoorOver: TERRY CREEK
2.5 W. ILL 113, Will, IL
Built 1975 Load: 43.7 t ADT: 175
130TH ST
PoorOver: RR - CSSS & IHB
0.05 M W I-94, Cook, IL
Built 1953 Load: 44.1 t ADT: 18,500
FAS 452-CH 2
PoorOver: SPOON RIVER
AT BERNADOTTE, Fulton, IL
Built 1983 Load: 44.1 t ADT: 375
CH 2
PoorOver: MAUVAISE TERRE CR
E EDGE JACKSONVILLE, Morgan, IL
Built 1959 Load: 44.1 t ADT: 250
ELVA RD
PoorOver: S BR KISHWAUKEE RV
1600N 710E, DeKalb, IL
Built 1961 Load: 44.4 t ADT: 75
N. SCOUT CAMP ROAD
PoorOver: BR. OF APPLE RIVER
7.5 MI S APPLE RIVER, Jo Daviess, IL
Built 1988 Load: 44.4 t ADT: 150
JONATHAN AVE
PoorOver: NW DRAINAGEWAY
0.1 MI E OF ROCKTON, Winnebago, IL
Built 1962 Load: 44.4 t ADT: 200
TR 187
PoorOver: LICK CR
3.0 MI SE HETTICK, Macoupin, IL
Built 1974 Load: 44.7 t ADT: 50
IL 171 SB RMP I-55
PoorOver: DES PLAINES RIVER
1.5 M SW IL 43, Cook, IL
Built 1964 Load: 45.0 t ADT: 10,600
TR 39
PoorOver: TOWER CREEK
3.5 MI SE WHITAKER, Kankakee, IL
Built 1977 Load: 45.0 t ADT: 75
FAS 631-CTY HWY 31
PoorOver: WOLF CREEK
0.5 N OF SPAULDING, Sangamon, IL
Built 1985 Load: 45.0 t ADT: 1,700
FAU 7182(BROADWAY)
PoorOver: SALINE BRANCH
N OF UNIVERSITY AVE, Champaign, IL
Built 1982 Load: 45.4 t ADT: 4,250
ILL 116
PoorOver: CEDAR CREEK
APPR 2M W IL 41, Knox, IL
Built 1975 Load: 45.4 t ADT: 1,100
US 12
PoorOver: NIPPERSINK CR OVERFL
0.3 M N OF CO LINE, McHenry, IL
Built 1939 Load: 45.7 t ADT: 11,500
Showing 27,601-27,650 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.