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
I-39 & US 51
FairOver: STREAM
1.20 MI S OF IL 38, Ogle, IL
Built 1981 Load: 89.1 t ADT: 29,100
I-88 (E-W TOLLWAY)
FairOver: STREAM
1.2 MI W OF ILL 251, Ogle, IL
Built 1972 Load: 89.1 t ADT: 16,000
I-88 (E-W TOLLWAY)
FairOver: STREAM
.2 MI W OF ILL 251, Ogle, IL
Built 1972 Load: 89.1 t ADT: 16,000
US 150
FairOver: BIG HOLLOW CREEK
NW CITY OF PEORIA, Peoria, IL
Built 1940 Load: 89.1 t ADT: 35,400
ILL 6
FairOver: STREAM
.07 MI E RADNOR RD, Peoria, IL
Built 1980 Load: 89.1 t ADT: 21,100
I-74 AND RAMPS
FairOver: DRY RUN CREEK
East of Sterling Ave, Peoria, IL
Built 2007 Load: 89.1 t ADT: 13,950
CREEK ROAD
FairOver: TRIB. OF KICKAPOO CR
SW QTR 13 LIMESTONE, Peoria, IL
Built 2001 Load: 89.1 t ADT: 1,900
KORTH ROAD
FairOver: BR TIBER CREEK
NLINE NW1/4 31T9NR5E, Peoria, IL
Built 1964 Load: 89.1 t ADT: 50
ORION ROAD - TR 10
FairOver: MID BR COPPERAS CR
SLINESE1/4 31 T8NR5E, Peoria, IL
Built 1982 Load: 89.1 t ADT: 50
ILL 100
FairOver: BETTELL CREEK
2MI N PEARL, Pike, IL
Built 1935 Load: 89.1 t ADT: 500
IL 104
FairOver: N FK BROWER CREEK
4.6M W IL 107, Pike, IL
Built 1934 Load: 89.1 t ADT: 775
ILL 100
FairOver: BUCKHORN CREEK
3.2MI S MILTON, Pike, IL
Built 1935 Load: 89.1 t ADT: 500
I-72
FairOver: BRANCH KISER CREEK
4.5M E BARRY INTCHG, Pike, IL
Built 1989 Load: 89.1 t ADT: 8,850
IL 104
FairOver: DITCH
2.85 MI E ADAMS CO, Pike, IL
Built 1934 Load: 89.1 t ADT: 775
IL 101
FairOver: FORK HARRISON BROOK
3M W IL 99, Schuyler, IL
Built 1929 Load: 89.1 t ADT: 400
IL 101
FairOver: ROCKY HOLLOW CREEK
3.15M E IL61-AUGUSTA, Schuyler, IL
Built 1929 Load: 89.1 t ADT: 400
IL 103
FairOver: CROOKED CR TRIB
.7M E US 24, Schuyler, IL
Built 1929 Load: 89.1 t ADT: 1,250
IL 100
FairOver: DITCH
16.15 MI E US 67, Schuyler, IL
Built 1934 Load: 89.1 t ADT: 525
CONCORDIA CH RD/CH
FairOver: PRAIRIE DU PONT CR
1.2MI E ILL RTE 163, St. Clair, IL
Built 1967 Load: 89.1 t ADT: 800
JACKS RUN RD/FAU93
FairOver: JACKS RUN
1.0MI E ILL RTE 13, St. Clair, IL
Built 1971 Load: 89.1 t ADT: 175
RICHTER TR 278
FairOver: BRANCH SILVER CREEK
0.25 MIN SBI 161, St. Clair, IL
Built 1982 Load: 89.1 t ADT: 10
US 24
FairOver: FARM CR TRIB
W OF EUREKA, Tazewell, IL
Built 1995 Load: 89.1 t ADT: 5,400
US RTE 51
FairOver: CREEK
2.0 MI S JACKSON CO, Union, IL
Built 1968 Load: 89.1 t ADT: 5,500
I 57
FairOver: N.FORK LICK CREEK
1.7 MI S JOHNSON CO., Union, IL
Built 1960 Load: 89.1 t ADT: 15,900
TR 261
FairOver: CLEAR CR TRIB
3.25 MI E IL3-146, Union, IL
Built 1988 Load: 89.1 t ADT: 175
TR 126B OFF US 51
FairOver: CREEK
0.7 MI N OF ILL 146, Union, IL
Built 1964 Load: 89.1 t ADT: 200
FAS 331
FairOver: STREAM
2 MI N OF OAKWOOD, Vermilion, IL
Built 1967 Load: 89.1 t ADT: 1,850
US 150 (FAS 1512)
FairOver: STREAM
3.5 MI E OF OAKWOOD, Vermilion, IL
Built 1953 Load: 89.1 t
FAP-877 (ILL-141)
FairOver: DRAINAGE DITCH
JUST E NEW HAVEN, White, IL
Built 1955 Load: 89.1 t ADT: 3,450
FAP-877 (ILL-141)
FairOver: DRAINAGE DITCH
2 MI NE NEW HAVEN, White, IL
Built 1955 Load: 89.1 t ADT: 3,700
FAP-877 (ILL-141)
FairOver: DRAINAGE DITCH
2.5 MI NE NEW HAVEN, White, IL
Built 1955 Load: 89.1 t ADT: 3,700
ILL 172
FairOver: COUNTY DITCH
3 MI W JCT ILL 40, Whiteside, IL
Built 1972 Load: 89.1 t ADT: 800
PINECREST ROAD
FairOver: LILY CACHE CREEK
1/4 MI S BOUGHTON, Will, IL
Built 1973 Load: 89.1 t ADT: 2,400
RED OAK LANE
FairOver: S BR KEITH CREEK
0.03 M N GUILFORD, Winnebago, IL
Built 1980 Load: 89.1 t ADT: 325
I-90
FairOver: STREAM
.97 MI S OF BELV. RD, Winnebago, IL
Built 1958 Load: 89.1 t ADT: 28,550
IL 4
FairOver: MACOUPIN CR TRIB
.1M S IL 108, Macoupin, IL
Built 1960 Load: 92.0 t ADT: 4,450
US 67
FairOver: E FORK CRANE CREEK
4.6M S US24@RUSHVILL, Schuyler, IL
Built 1959 Load: 92.0 t ADT: 3,100
I-294
FairOver: STONEY CREEK
0.4 M S IL-47, Cook, IL
Built 1958 Load: 93.3 t ADT: 133,000
I-294
FairOver: DRAINAGE DITCH
1 MI SOUTH ILL 58, Cook, IL
Built 1959 Load: 94.0 t ADT: 71,350
I-88
FairOver: BEACH CREEK
1.5 MI SW OF OGLE CO, Lee, IL
Built 1972 Load: 94.9 t ADT: 16,100
I-294
FairOver: ADDISON CREEK
.3 MI N. ILL RTE 64, Cook, IL
Built 1958 Load: 96.2 t ADT: 173,100
I-70
FairOver: E MILL CREEK
MP 144.2, Clark, IL
Built 1969 Load: 97.2 t ADT: 23,400
I-70
FairOver: KETTERING BRANCH
NE MARTINSVILLE, Clark, IL
Built 1968 Load: 97.2 t ADT: 23,400
I-294
FairOver: STREAM
1.3 M N I-55, Cook, IL
Built 1958 Load: 97.2 t ADT: 171,400
I-80 EB TO I-294 N
FairOver: DITCH
600 FT. W I-294, Cook, IL
Built 1958 Load: 97.2 t ADT: 500
I-355
FairOver: LACEY CREEK
2 MI N. OF US 34, DuPage, IL
Built 1988 Load: 97.2 t ADT: 102,800
I-355
FairOver: LILLY CACHE CREEK
1 MI N. OF I-55, DuPage, IL
Built 1988 Load: 97.2 t ADT: 61,450
FAI-70
FairOver: BIG CREEK
1.6 MI E FAYETTE C L, Effingham, IL
Built 1962 Load: 97.2 t ADT: 23,900
FAI-70/RAMP-1783
FairOver: STREAM
S RAMPS US-45 INT, Effingham, IL
Built 1960 Load: 97.2 t ADT: 2,000
I 57
FairOver: DRAIN DITCH (REND L)
0.5M N OF ILL 154, Franklin, IL
Built 1963 Load: 97.2 t ADT: 37,200
Showing 14,051-14,100 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.