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
IL 4-FAP 686
FairOver: RATTLESNAKE CREEK
4.3 MI W IL 13/127, Jackson, IL
Built 2004 Load: 57.3 t ADT: 1,150
COUNTY HIGHWAY 37
FairOver: TRIB.S.HENDERSON.CRK
SE-16-T12NR1E, Knox, IL
Built 1960 Load: 57.3 t ADT: 500
CAMPGROUND ENTRANC
FairOver: PERSON CREEK
ILLINI PARK RD WEST, LaSalle, IL
Built 1995 Load: 57.3 t ADT: 325
FAP-116 (ILL-130)
FairOver: STREAM
.5 MI N JCT ILL-250, Richland, IL
Built 1977 Load: 57.3 t ADT: 9,750
I 57 NB
FairOver: PROGRESSIVE RAIL
IN MARION, Williamson, IL
Built 2009 Load: 57.3 t ADT: 15,400
IL 78
FairOver: JOBS CREEK
3.9M N IL 125, Cass, IL
Built 1931 Load: 57.7 t ADT: 1,500
ILL 127
FairOver: Mid Trib Flat Branch
2.8 M S OF BOND CO L, Clinton, IL
Built 1937 Load: 57.7 t ADT: 3,250
I- 90,94 DAN RYAN
FairOver: SANITARY SEWER
JUST NORTH OF 39TH, Cook, IL
Built 1961 Load: 57.7 t ADT: 315,000
IL ROUTE 78
FairOver: MUD CREEK
3 MI N OF KEWANEE, Henry, IL
Built 1975 Load: 57.7 t ADT: 3,050
US 41
FairOver: MILL CREEK
3.5 M N OF GURNEE, Lake, IL
Built 1951 Load: 57.7 t ADT: 24,500
CO RD 55
FairOver: PERSON CREEK
N 2653,E 2325, LaSalle, IL
Built 1934 Load: 57.7 t ADT: 1,300
US ROUTE 30
FairOver: WILLOW CREEK
1.0 MI W OF I-39, Lee, IL
Built 1932 Load: 57.7 t ADT: 1,450
LARCHER RD/ TR 49
FairOver: SILVER CK
2.0MI E LIVINGSTON, Madison, IL
Built 1901 Load: 57.7 t ADT: 50
ILL 5 & 92
FairOver: IAIS RR
0.2 MI NE JCT ILL 84, Rock Island, IL
Built 1951 Load: 57.7 t ADT: 14,700
ILL ROUTE 92
FairOver: WARREN CREEK
4 MI E OF ANDALUSIA, Rock Island, IL
Built 1975 Load: 57.7 t ADT: 8,600
IL 29
FairOver: CANTRALL CREEK
.76M N ANDREW RD., Sangamon, IL
Built 1993 Load: 57.7 t ADT: 6,250
RP FROM IL98 TO I1
FairOver: TP&W RR (004909R)
.3 MI N OF IL 98, Tazewell, IL
Built 1988 Load: 57.7 t ADT: 3,100
IL 59
FairOver: CLOW CREEK
0.28 M N OF 111TH ST, Will, IL
Built 2001 Load: 57.7 t ADT: 34,700
BURNHAM AVE
FairOver: CALUMET RIVER
0.01 M N OF 170TH ST, Cook, IL
Built 1941 Load: 58.0 t ADT: 10,600
I-294
FairOver: 159TH CREEK
02 MI N. US 6, Cook, IL
Built 1958 Load: 58.0 t ADT: 102,100
I- 94 NB KINGERY
FairOver: THORN CREEK
ILL 394 I80/294 INT., Cook, IL
Built 2005 Load: 58.0 t ADT: 36,750
US 67
FairOver: DE ARCY CREEK
1.7 M N JERSEYVILLE, Jersey, IL
Built 1921 Load: 58.0 t ADT: 5,300
FAI-55 & E975 N RD
FairOver: DRAINAGE DITCH
0.23 MI N MCLEAN C L, Livingston, IL
Built 1977 Load: 58.0 t ADT: 21,000
I-72 (EB)
FairOver: IC RR - Abandoned
W OF WHITE HEATH, Piatt, IL
Built 1962 Load: 58.0 t ADT: 6,700
I-72 (WB)
FairOver: IC RR - Abandoned
W OF WHITE HEATH, Piatt, IL
Built 1962 Load: 58.0 t ADT: 6,700
FAS 849A - CH 1
FairOver: Nine Mile Creek
3.7 Mi. S of Walsh, Randolph, IL
Built 2014 Load: 58.0 t ADT: 550
IL 100
FairOver: ILLINOIS R TRIB.
3.7M N BROWNING CTR, Schuyler, IL
Built 1935 Load: 58.0 t ADT: 600
TR 101
FairOver: DRAINAGE DITCH
1.5 MI SE GARDS PT, Wabash, IL
Built 2006 Load: 58.0 t ADT: 50
HARGER RD
FairOver: SALT CREEK
.4 MI N 22 ND ST, DuPage, IL
Built 1958 Load: 58.3 t ADT: 1,150
FAI-70
FairOver: STREAM
SE OF ST ELMO, Fayette, IL
Built 1963 Load: 58.3 t ADT: 23,900
IL 9
FairOver: N Fork Lamoine River
2 mi W of Bushnell, McDonough, IL
Built 2018 Load: 58.3 t ADT: 2,250
IL 176
FairOver: ISLAND LAKE OVERFLOW
ISLAND LAKE, McHenry, IL
Built 1929 Load: 58.3 t ADT: 19,200
IL 89 (FAP 698)
FairOver: LITTLE SANDY CREEK
0.05 MI N OF IL 18, Putnam, IL
Built 2001 Load: 58.3 t ADT: 1,550
ILL 4-150
FairOver: MARY'S RIVER
W OF STEELEVILLE, Randolph, IL
Built 1928 Load: 58.3 t ADT: 5,500
EB I-74
FairOver: TP&W RR (004901L)
1 MI E MORTON INTER., Tazewell, IL
Built 1961 Load: 58.3 t ADT: 13,100
WB I-74
FairOver: TP&W RR (004901L)
1 MI E MORTON INTER., Tazewell, IL
Built 1961 Load: 58.3 t ADT: 13,100
IL 59
FairOver: DU PAGE RVR OVERFLW
0.5 M N OF IL 126, Will, IL
Built 2002 Load: 58.3 t ADT: 32,100
ILL 49(FAP 836)
FairOver: STREAM
4.5 MI S OF HOMER, Champaign, IL
Built 1978 Load: 58.6 t ADT: 1,350
I-190 EB JFK
FairOver: DES PLAINES RIVER
2.5 M W IL 43, Cook, IL
Built 1959 Load: 58.6 t ADT: 28,600
PINE BLUFF RD CH-2
FairOver: MAZON RIVER
0.12 MI W OF TR 45, Grundy, IL
Built 2010 Load: 58.6 t ADT: 4,600
ILL 151
FairOver: JOHNSON CREEK
2.5 MI N OF ILL 3, Jackson, IL
Built 1935 Load: 58.6 t ADT: 750
ILL 1
FairOver: TRIM CR
0.2 M W. GRANT PARK, Kankakee, IL
Built 1954 Load: 58.6 t ADT: 2,950
ILL 23
FairOver: BAKER RUN
4.31 MI N OF I-55, Livingston, IL
Built 1977 Load: 58.6 t ADT: 2,900
HENNEPIN STREET
FairOver: ALL FORKS
1100N, 1170E, Putnam, IL
Built 1940 Load: 58.6 t ADT: 650
FAI 72 EB
FairOver: B&N RAILROAD (GONE)
1.5MI E EXIT 52, Scott, IL
Built 1976 Load: 58.6 t ADT: 4,400
FAI 72 WB
FairOver: B&N RAILROAD (GONE)
1.5MI E EXIT 52, Scott, IL
Built 1976 Load: 58.6 t ADT: 4,400
US 6
FairOver: I & M CANAL
0.8 M SW OF I-80, Will, IL
Built 1934 Load: 58.6 t ADT: 3,800
US 45
FairOver: RR - METRA
0.5 M S OF I-80, Will, IL
Built 1968 Load: 58.6 t ADT: 46,600
WILLOW WOOD DR
FairOver: E BR SALT CR
0.18 M E HICKS RDP18, Cook, IL
Built 1968 Load: 59.0 t ADT: 350
I 64
FairOver: AUXIER CREEK
1 MI W BELLE RIVE IN, Jefferson, IL
Built 1974 Load: 59.0 t ADT: 12,700
Showing 13,701-13,750 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.