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
WASHINGTON STREET
GoodOver: DESPLAINES RIVER
.2M E OF ILL 21, Lake, IL
Built 1972 Load: 31.1 t ADT: 10,400
TR 446
GoodOver: MACKINAW RIVER
1.5 MI SE LEXINGTON, McLean, IL
Built 1979 Load: 31.1 t ADT: 50
TR 124
GoodOver: BR MACKINAW RIVER
3.0 MI NE CARLOCK, McLean, IL
Built 1964 Load: 31.1 t ADT: 50
FREEPORT ROAD
GoodOver: BR OF BUFFALO CREEK
2.5 MI SW OF POLO, Ogle, IL
Built 1969 Load: 31.1 t ADT: 1,350
HICKS HOLLOW RD
GoodOver: BR HALLOCK RUN
SW-34-HALLOCK, Peoria, IL
Built 1969 Load: 31.1 t ADT: 75
WEST GREENBUSH ROA
GoodOver: YELLOW CREEK
5.0 MI SW OF LENA, Stephenson, IL
Built 1975 Load: 31.1 t ADT: 50
FAU 7043
GoodOver: STONY CREEK
0.3 MI SE DANVILLE, Vermilion, IL
Built 1952 Load: 31.1 t ADT: 2,250
TR 103
GoodOver: Branch Cedar Creek
SE Cor 13 T11 R1W, Warren, IL
Built 2016 Load: 31.1 t ADT: 35
I-355NB
GoodOver: SPRING CREEK
1M N OF US6, Will, IL
Built 2007 Load: 31.1 t ADT: 24,250
I355SB
GoodOver: SPRING CREEK
1M N OF US6, Will, IL
Built 2007 Load: 31.1 t ADT: 24,250
HARRISON AVE FR RD
GoodOver: MADIGAN CREEK
.2 MI E PERRYVIL RD, Winnebago, IL
Built 1963 Load: 31.1 t ADT: 800
MULFORD ROAD
GoodOver: SPRING CREEK
.01 N OF SPRINGBROOK, Winnebago, IL
Built 1964 Load: 31.1 t ADT: 18,300
BAXTER RD
GoodOver: UNNAMED CREEK
0.75 MI E OF IL 251, Winnebago, IL
Built 1974 Load: 31.1 t ADT: 2,850
STILLMAN VALLEY RO
GoodOver: CANAL CREEK
0.1 MI N CONDON ROAD, Winnebago, IL
Built 1977 Load: 31.1 t ADT: 300
TR 38A
GoodOver: SEXTON CREEK
2 MI NE OF GALE, Alexander, IL
Built 1971 Load: 31.4 t ADT: 125
FAS 525(CH 16)
GoodOver: E BR EMBARRAS RIVER
BROADLANDS, Champaign, IL
Built 1984 Load: 31.4 t ADT: 600
TR 217 A
GoodOver: KASKASKIA DITCH
3.3 MI SSE BONDVILLE, Champaign, IL
Built 1974 Load: 31.4 t ADT: 25
95th Avenue
GoodOver: Marley Creek
0.5 MI N US RTE 6, Cook, IL
Built 2010 Load: 31.4 t ADT: 2,000
TR-302
GoodOver: BISHOP CREEK
3 MI NW DIETRICH, Effingham, IL
Built 1978 Load: 31.4 t ADT: 275
TR 110 DWIGHT RD
GoodOver: WAUPECON CREEK
.16 MI S LOWERY RD, Grundy, IL
Built 1985 Load: 31.4 t ADT: 125
ILLINOIS AVE
GoodOver: W BR FOX RIVER
1200 FT W ILL RT 25, Kane, IL
Built 1949 Load: 31.4 t ADT: 13,200
TR-268 (GERMAN RD)
GoodOver: BRANCH OF MAIN DITCH
3.0 M N OF US RT 30, Lee, IL
Built 1982 Load: 31.4 t ADT: 50
CO HWY 36 FAS-1363
GoodOver: CREEK
2.5 MI N OF CULLOM, Livingston, IL
Built 1962 Load: 31.4 t ADT: 275
TR 12
GoodOver: ROCK CR
5.2 MI W CARLOCK, McLean, IL
Built 1976 Load: 31.4 t ADT: 25
TR 16A
GoodOver: STREAM
5.3 MI W GRIDLEY, McLean, IL
Built 1975 Load: 31.4 t ADT: 50
TR 16
GoodOver: SUGAR CREEK
3.5 MI W MCLEAN, McLean, IL
Built 1975 Load: 31.4 t ADT: 150
TR 332
GoodOver: TRIBUTARY MONEY CR
1.0 MI SE TOWANDA, McLean, IL
Built 1984 Load: 31.4 t ADT: 50
TR 532
GoodOver: BR SALT CREEK
5.0 MI SSW BELLFLOWE, McLean, IL
Built 1962 Load: 31.4 t ADT: 50
FAS 578
GoodOver: LITTLE GROVE CREEK
3.5 MI W PETERSBURG, Menard, IL
Built 1986 Load: 31.4 t ADT: 275
CH 7(FAS 529)
GoodOver: LAKE FORK DRAIN DIT
3.1 MI E OF BEMENT, Piatt, IL
Built 1937 Load: 31.4 t ADT: 800
TR 487
GoodOver: PRONG SPRING CREEK
2 MI SO. NEBO, Pike, IL
Built 1994 Load: 31.4 t ADT: 25
I-64 EB
GoodOver: NSRR
0.4 mi W of 25th St., St. Clair, IL
Built 1968 Load: 31.4 t ADT: 37,900
FARWELL BRIDGE ROA
GoodOver: PINK CREEK OVERFLOW
7.0 MI S DAVIS, Stephenson, IL
Built 1971 Load: 31.4 t ADT: 350
FAS 1507
GoodOver: MID FK VERMILION RIV
KICKAPOO STATE PARK, Vermilion, IL
Built 1965 Load: 31.4 t ADT: 450
ILL 7 FRNT. RD
GoodOver: DESPLAINES RIV
.36M E OF ILL 53, Will, IL
Built 1957 Load: 31.4 t ADT: 475
FAP-525 (RvrSd Blv
GoodOver: Loves Park Creek
.2 MI E OF IL 251, Winnebago, IL
Built 2017 Load: 31.4 t ADT: 12,800
TR 305
GoodOver: KASKASKIA RIVER
5.4 MI SW SADORUS, Champaign, IL
Built 1975 Load: 31.8 t ADT: 50
FAI 64
GoodOver: TRIB TO QUEENS LAKE
2.1 MI W DAMIANSVILL, Clinton, IL
Built 1973 Load: 31.8 t ADT: 31,000
FAU 7703(CH 29)
GoodOver: KICKAPOO CREEK
2 MI SE OF MATTOON, Coles, IL
Built 1962 Load: 31.8 t ADT: 1,500
TR 60A LYMAN
GoodOver: STREAM
1720N,1600E, Ford, IL
Built 1967 Load: 31.8 t ADT: 75
ILL 37
GoodOver: STREAM S WHITTINGTON
2.2 MI S ILL 154, Franklin, IL
Built 1921 Load: 31.8 t ADT: 6,350
TR 352
GoodOver: TRIB SALINE RV
TR 352 OV TRIB SA CK, Franklin, IL
Built 1981 Load: 31.8 t ADT: 100
IL 96
GoodOver: ROCKY RUN CREEK
6.3M S WARSAW SPUR, Hancock, IL
Built 1994 Load: 31.8 t ADT: 2,000
TR 361A
GoodOver: GAY CREEK
1 MI W ILL RT 1, Iroquois, IL
Built 1977 Load: 31.8 t ADT: 75
FAS-1916 (CH-8)
GoodOver: Trib to Beaucoup Cr
NW CORN SEC 23-7-2, Jackson, IL
Built 1980 Load: 31.8 t ADT: 1,100
RANDALL RD
GoodOver: MILL CREEK TRIB.
0.2 MI S FABYAN PKWY, Kane, IL
Built 1979 Load: 31.8 t ADT: 34,800
CH 8
GoodOver: TOWER CR
4.4 MI E ST.GEORGE, Kankakee, IL
Built 1952 Load: 31.8 t ADT: 1,900
TR 242
GoodOver: DRAINAGE DITCH
4 MI SE MOMENCE, Kankakee, IL
Built 1974 Load: 31.8 t ADT: 50
TOW PATH ROAD
GoodOver: CLARKS RUN
0.6 MI. E ILL 178, LaSalle, IL
Built 1967 Load: 31.8 t ADT: 25
TR-228
GoodOver: BEAVER POND DITCH
2 MI NE LAWRENCEVILL, Lawrence, IL
Built 1978 Load: 31.8 t ADT: 50
Showing 15,051-15,100 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.