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
COUNTY RD-TR 134
UnknownOver: I-74
2.9 MI E OF ILL 117, Woodford, IL
Built 1964 ADT: 28,400
CH 2 (2200 N)
UnknownOver: I-39, US 51
.49 MI W OF IL 251, Woodford, IL
Built 1989 ADT: 16,000
TR 41 (2100 N)
UnknownOver: I-39, US 51
3 MI N OF ILL 116, Woodford, IL
Built 1990 ADT: 15,900
FAP673 ILL 116
UnknownOver: I-39, US 51
8 MI N OF US 24, Woodford, IL
Built 1990 ADT: 15,900
TR 95 (1600 N)
UnknownOver: I-39, US 51
2 MI S OF ILL 116, Woodford, IL
Built 1990 ADT: 16,200
TR 103 (1500 N)
UnknownOver: I-39, US 51
3.0 MI S OF ILL 116, Woodford, IL
Built 1989 ADT: 16,200
FAS 359 ROANOKE RD
UnknownOver: I-39/US 51
3.5 MI N OF US24, Woodford, IL
Built 1990 ADT: 16,200
TR 165
UnknownOver: I-39, US 51
1 MI N OF US 24, Woodford, IL
Built 1990 ADT: 16,200
I-39, US 51 SB
UnknownOver: US 24 & TP&W RR
.5 MI W OF IL 251, Woodford, IL
Built 1989 ADT: 5,450
I-39, US 51 NB
UnknownOver: US 24 & TP&W RR
.5 MI W OF IL 251, Woodford, IL
Built 1989 ADT: 8,250
TR 207
UnknownOver: I-39, US 51
2 MI S OF US 24, Woodford, IL
Built 1990 ADT: 18,700
CH 9 KAPPA RD
UnknownOver: 1-39, US 51
4.1 MI S OF US 24, Woodford, IL
Built 1989 ADT: 18,700
TR 229
UnknownOver: I-39, US 51
5.2 MI S OF US 24, Woodford, IL
Built 1990 ADT: 18,700
DIVISION ST
FairOver: N BR CHICAGO RIV CAN
829 W DIVISION, Cook, IL
Built 1903 ADT: 13,400
NB I-294
FairOver: CC&P RR
0.15M N ILL 56, Cook, IL
Built 2022 ADT: 21,700
DORCHESTER AVE
FairOver: WINFIELD CRK
0.2 MI N IL-38, DuPage, IL
Built 1983 ADT: 1,000
CHILDS STREET
FairOver: WINFIELD CREEK
KNOLLWOOD AND CHILDS, DuPage, IL
Built 1955 ADT: 1,300
MILE LOAD RD-TR 42
FairOver: BN RR (063478L)
NE-1-T4NR2E, Fulton, IL
Built 1900 ADT: 50
TR 39
FairOver: BRANCH OF TILTON CR.
1.0 MI W DURHAM, Hancock, IL
Built 1914 ADT: 25
FAS-795
FairOver: SKILLET FORK CREEK
1 MI W HELM, Marion, IL
Built 1946 ADT: 1,000
FAS-795
FairOver: POPLAR CREEK
0.5 MI N HELM, Marion, IL
Built 1940 ADT: 1,000
TR-46
FairOver: FLAT CREEK
1 MI NW VERNON, Marion, IL
Built 1961 ADT: 50
OR 4 (CEMETERY RD.
FairOver: ASA CREEK
T3S R5W SEC 1, Moultrie, IL
Built 1960 ADT: 12
PARK ROAD
FairOver: DRY RUN CR
NW-5-T8NR8E, Peoria, IL
Built 1930 ADT: 550
PYATT-CUTLER RD/CH
FairOver: PIPESTONE CREEK
1.2 MI E OF CH 5, Perry, IL
Built 2023 ADT: 450
E. MCCONNELL RD.
FairOver: CEDAR CREEK
2.5 MI N DAKOTA, Stephenson, IL
Built 1958 ADT: 700
FULFS RD. (CH 18)
FairOver: TRIB. ELKHORN CREEK
3 MI. N. OF STERLING, Whiteside, IL
Built 1965 ADT: 800
TR-379
FairOver: VILLAGE CREEK
4 MI NE GOLDEN GATE, Wayne, IL
Built 1988 Load: 0.3 t ADT: 25
TR 186
FairOver: BRANCH OF TILTON CR.
1.0 MI W DURHAM, Hancock, IL
Built 1919 Load: 1.9 t ADT: 50
TR 210
FairOver: MILL CREEK
2.0 MI N PAYSON, Adams, IL
Built 1923 Load: 2.9 t ADT: 100
TR 111 A
FairOver: PAPER MILL BRANCH
4 MI N TAYLORVILLE, Christian, IL
Built 1956 Load: 3.2 t ADT: 125
TR 52A
FairOver: MCCRANEY CREEK TRIB.
1.5 MI N KINDERHOOK, Pike, IL
Built 1930 Load: 3.2 t ADT: 50
TR 113
FairOver: WILLEYS BRANCH
3.5 N TAYLORVILLE, Christian, IL
Built 1963 Load: 3.9 t ADT: 35
TR 321
FairOver: UNION DR DIS #3 MAIN
2 MI N HARVEL, Christian, IL
Built 1962 Load: 3.9 t ADT: 50
TR-427
FairOver: RACCOON CREEK
2.5 MI SW VANDALIA, Fayette, IL
Built 1925 Load: 4.2 t ADT: 75
TR-1
FairOver: CREEK
3.5 MI NW LANCASTER, Wabash, IL
Built 1971 Load: 4.5 t ADT: 35
TR 225
FairOver: CLEAR CREEK
5MI NW MORRISONVILLE, Christian, IL
Built 1963 Load: 4.9 t ADT: 10
TR-506
FairOver: HOG CREEK
2.5 MI N WRIGHTS CN, Fayette, IL
Built 1950 Load: 4.9 t ADT: 75
OLD DAD JOE TRAIL
FairOver: BUREAU CREEK
0.5 MI W JCT ILL 26, Bureau, IL
Built 1863 Load: 5.2 t ADT: 275
TR 950
FairOver: SANGAMON RIVER
1.2 MI NE MAHOMET, Champaign, IL
Built 1965 Load: 5.2 t ADT: 400
TR 399
FairOver: THE BLUFF CANAL
6.5 S WARSAW, Hancock, IL
Built 1906 Load: 5.8 t ADT: 75
TR 62
FairOver: BAPIST CREEK
NW-4-T6NR4W, McDonough, IL
Built 1921 Load: 5.8 t ADT: 400
TR 191
FairOver: CEDAR CREEK
CTR-6-T5NR4W, McDonough, IL
Built 1900 Load: 5.8 t ADT: 10
TR 328
FairOver: DONICA CREEK
6.5 MI SE OAKLAND, Coles, IL
Built 1940 Load: 6.2 t ADT: 25
COFFIN ROAD
FairOver: BUFFALO CREEK
.5 M N 53 1.0 M W 83, Lake, IL
Built 1925 Load: 6.2 t ADT: 2,500
TR 217 A
FairOver: LONG BRANCH
4 MI W ASSUMPTION, Christian, IL
Built 1958 Load: 6.5 t ADT: 100
TR 218
FairOver: BRONSON CREEK
3.5 SE BENTLEY, Hancock, IL
Built 1906 Load: 6.5 t ADT: 25
TR 320
FairOver: STREAM
3.0 MI SW STRASBURG, Shelby, IL
Built 1909 Load: 6.5 t ADT: 50
TR 81
FairOver: BEAN CREEK
3 MI NE POTOMAC, Vermilion, IL
Built 1944 Load: 6.5 t ADT: 50
TR 152
FairOver: CEDAR CR
NW-24-T11NR2W, Warren, IL
Built 1900 Load: 6.5 t ADT: 25
Showing 4,001-4,050 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.