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
FAI-57
GoodOver: BR E FORK KASKASKIA
.5 MI N KIMUNDY INT, Marion, IL
Built 1970 Load: 42.4 t ADT: 18,100
PORTLAND ROAD - CH
GoodOver: STREAM
2 MI NW JOPPA, Massac, IL
Built 2019 Load: 42.4 t ADT: 200
KISHWAUKEE VALLEY
GoodOver: N BR KISHWAUKEE RIV
0.3 MI E SULLIVAN RD, McHenry, IL
Built 2010 Load: 42.4 t ADT: 4,150
AYER STREET
GoodOver: MOKELER CREEK
0.36 MI W. US 14, McHenry, IL
Built 2011 Load: 42.4 t ADT: 1,550
TR 570C
GoodOver: SANGAMON RIVER
1.0 MI NW SAYBROOK, McLean, IL
Built 1978 Load: 42.4 t ADT: 150
ILL 123
GoodOver: INDIAN CREEK
2.5MI E PETERSBURG, Menard, IL
Built 1991 Load: 42.4 t ADT: 2,200
Ramp to IL 3 SB
GoodOver: PALMER CRK Overflow
0.8 mi S of I-255, Monroe, IL
Built 1991 Load: 42.4 t ADT: 1,350
DAYSVILLE RD
GoodOver: BNSF RR
2 MI. SE. OREGON, Ogle, IL
Built 1997 Load: 42.4 t ADT: 2,100
PYATT CUTLER RD
GoodOver: LITTLE GALUM CREEK
4 MI W OF ILL 13, Perry, IL
Built 2019 Load: 42.4 t ADT: 600
IL 96
GoodOver: HORTON CREEK
2.4M NW ROCKPORT, Pike, IL
Built 1991 Load: 42.4 t ADT: 1,100
I-72/US 36 (EB)
GoodOver: THE SNY SLOUGH
2M SW I-172, Pike, IL
Built 1998 Load: 42.4 t ADT: 7,250
ILL 100
GoodOver: MOORE CREEK
1.5MI S MILTON, Pike, IL
Built 1935 Load: 42.4 t ADT: 700
FAS 1591
GoodOver: DRY FORK CREEK
2 MI N PLEASANT HILL, Pike, IL
Built 2000 Load: 42.4 t ADT: 675
FAP 116(IL 130)
GoodOver: BIG CREEK
2.25 MI S. JCT US-50, Richland, IL
Built 1999 Load: 42.4 t ADT: 4,500
SBI3(OLD IL2&92 FR
GoodOver: waterway
0.8 MI W of old IL 2, Rock Island, IL
Built 1995 Load: 42.4 t ADT: 450
IL 123
GoodOver: TRIB FANCY CREEK
1.3M W I55,WILLIAMSV, Sangamon, IL
Built 1991 Load: 42.4 t ADT: 2,300
Bond Ave
GoodOver: A&SRR
39TH & BOND ALORTON, St. Clair, IL
Built 1980 Load: 42.4 t ADT: 3,250
1L 15
GoodOver: SILVER CREEK
2.5 MI E FREEBURG, St. Clair, IL
Built 1993 Load: 42.4 t ADT: 2,600
IL 13 EB TO IL 15
GoodOver: TRIB TO RICHLAND CRK
1.6 M SE IL 158& 177, St. Clair, IL
Built 2006 Load: 42.4 t ADT: 450
ILL 73
GoodOver: YELLOW CREEK
3.2 MI SOUTH OF US20, Stephenson, IL
Built 1985 Load: 42.4 t ADT: 2,100
SBI 122 (Prairie R
GoodOver: INDIAN CR
0.5 MI S JCT IL 122, Tazewell, IL
Built 2021 Load: 42.4 t ADT: 275
FAS 1481-CH 7
GoodOver: HICKORY GROVE DITCH
SW-36-T24NR6W, Tazewell, IL
Built 1981 Load: 42.4 t ADT: 1,050
TR 186
GoodOver: WINDFALL CREEK
3 MI SE JAMESBURG, Vermilion, IL
Built 2020 Load: 42.4 t ADT: 75
FAP 328 (US 45)
GoodOver: DEER CREEK
2.5 MI N GEFF, Wayne, IL
Built 2008 Load: 42.4 t ADT: 2,600
I- 57
GoodOver: EAST BR HICKORY CRK
0.15M N of Stuenkel, Will, IL
Built 2015 Load: 42.4 t ADT: 43,100
KANKAKEE ST
GoodOver: TRIB JACKSON CRK
0.6 MI S DELANEY RD, Will, IL
Built 1922 Load: 42.4 t ADT: 700
Vetter Road
GoodOver: Cedar Creek
0.52 MI N CentrPtWay, Will, IL
Built 2021 Load: 42.4 t ADT: 4,050
"D" STREET
GoodOver: PETTIBONE CR, ACCESS RD
0.6 KM E OF SHERIDAN RD, Lake, IL
Built 2009 Load: 42.6 t ADT: 4,725
DENNY RD
GoodOver: GERYLINE CR
3.5 MI SE POPLAR GROVE, Boone, IL
Built 2021 Load: 42.8 t ADT: 300
NEW BEDFORD RD
GoodOver: GREEN RIVER
0.6 MI W JCT IL 40, Bureau, IL
Built 2006 Load: 42.8 t ADT: 50
FAS-248 Galena St.
GoodOver: Rocky Run Creek
CENTER OF TISKILWA, Bureau, IL
Built 1986 Load: 42.8 t ADT: 1,100
CH 12(FAS 516)
GoodOver: UPPER SALT FORK DIT
4.5 MI N ST JOSEPH, Champaign, IL
Built 1971 Load: 42.8 t ADT: 1,050
IL 16
GoodOver: Ditch
0.28 mi N Mont Co Ln, Christian, IL
Built 2023 Load: 42.8 t ADT: 1,550
TR 89 (Finch Lane)
GoodOver: Panther Creek
2.5 Mi. S Hord, Clay, IL
Built 2016 Load: 42.8 t ADT: 100
OAK PARK AVE
GoodOver: UNION DRAINAGE DITCH
.25 MI. N. OF I-80, Cook, IL
Built 2009 Load: 42.8 t ADT: 2,700
BLACKTHORN DRIVE
GoodOver: SOUTH NAVY DITCH
0.5 MI N E LAKE AVE, Cook, IL
Built 2019 Load: 42.8 t ADT: 1,000
OAK ST
GoodOver: UNION PACIFIC RR
OAK OV UNION P.RR, Cook, IL
Built 1940 Load: 42.8 t ADT: 1,050
TR-157
GoodOver: Spring Point Creek
2.5 W Montrose Blktp, Cumberland, IL
Built 2017 Load: 42.8 t ADT: 75
IL 64 FAP 17
GoodOver: STREAM
2.5 MI W SYCAMORE, DeKalb, IL
Built 2004 Load: 42.8 t ADT: 4,500
US 36(FAP 323)
GoodOver: BROUILLETTS CREEK
1.5 MI W OF IL 1, Edgar, IL
Built 2004 Load: 42.8 t ADT: 1,550
TR 118
GoodOver: Crooked Creek Trib
0.5 Mi. N W. Salem, Edwards, IL
Built 2022 Load: 42.8 t ADT: 125
OAK HILL RD
GoodOver: TAYLOR BRANCH
0.25MI W FRISCO RD, Franklin, IL
Built 2018 Load: 42.8 t ADT: 50
ALMOND RD
GoodOver: CANE CREEK
300FT N OF PARK ST, Franklin, IL
Built 2017 Load: 42.8 t ADT: 25
Stockland Road
GoodOver: SUGAR CREEK
9.66 M S OF US 24, Iroquois, IL
Built 1994 Load: 42.8 t ADT: 300
IL 1
GoodOver: Pike Creek
0.15 M N of US 52, Iroquois, IL
Built 2021 Load: 42.8 t ADT: 2,250
SCHLAGER RD
GoodOver: SIX MILE CREEK
1.25 MI E US 51, Jackson, IL
Built 2022 Load: 42.8 t ADT: 25
IL 115
GoodOver: Gar Creek
2 M SW of Kankakee, Kankakee, IL
Built 2017 Load: 42.8 t ADT: 2,400
IL 59
GoodOver: FLINT CREEK TRIB
0.1 M S OF US 14, Lake, IL
Built 1977 Load: 42.8 t ADT: 16,700
PFINGSTEN RD
GoodOver: CANADIAN PACIFIC RR
.2 MI W OF WAUKEGAN, Lake, IL
Built 1987 Load: 42.8 t ADT: 9,300
TR-107A
GoodOver: SOMONAUK CREEK
N 42ND E 2520, LaSalle, IL
Built 2018 Load: 42.8 t ADT: 850
Showing 23,901-23,950 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.