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
US 20 W B
FairOver: CN RR
1.2 MI E MERIDIAN RD, Winnebago, IL
Built 1964 Load: 61.9 t ADT: 14,600
IL 23(FAP 324)
FairOver: CC & PAC. RR
0.7 MI S JCT ILL 72, DeKalb, IL
Built 1925 Load: 62.2 t ADT: 4,350
FAS 2801 (ILL-128)
FairOver: ROCK CREEK
5.5 MI S ILL-33, Effingham, IL
Built 1930 Load: 62.2 t ADT: 1,150
ILL 151
FairOver: SPRING CREEK
2.3 MI S OF AVA, Jackson, IL
Built 1935 Load: 62.2 t ADT: 850
IL 17 FAP 330
FairOver: ICG RR
0.1 MI EAST OF US 45, Kankakee, IL
Built 2004 Load: 62.2 t ADT: 15,900
ILL 17
FairOver: GOOSEBERRY CR. TRIB.
4.5 MI E OF ILL 47, Livingston, IL
Built 1974 Load: 62.2 t ADT: 2,300
ILL ROUTE 92
FairOver: TURKEY HOLLOW CREEK
3 MI E OF ANDALUSIA, Rock Island, IL
Built 1975 Load: 62.2 t ADT: 4,450
US 20 E B
FairOver: CN RR
1.2 MI E MERIDIAN RD, Winnebago, IL
Built 1964 Load: 62.2 t ADT: 14,600
OLD US 50
FairOver: SUGAR CREEK
1.1 MI W AVISTON, Clinton, IL
Built 2008 Load: 62.5 t ADT: 2,950
FAI-55 SB
FairOver: ROOKS CREEK
1.06 MI N MCLEAN C L, Livingston, IL
Built 1977 Load: 62.5 t ADT: 10,500
FAI-55 NB
FairOver: ROOKS CREEK
1 MI N MCLEAN CO LN, Livingston, IL
Built 1977 Load: 62.5 t ADT: 10,500
FAI 270 EB
FairOver: BIKE TRAIL/STREAM
1.4 M E ILL 157, Madison, IL
Built 1963 Load: 62.5 t ADT: 19,250
FAI 270 WB
FairOver: BIKE TRAIL/STREAM
1.4 M E ILL 157, Madison, IL
Built 1963 Load: 62.5 t ADT: 19,250
I-55 and FR's
FairOver: HORSE CREEK
3.8M N IL127, Montgomery, IL
Built 1950 Load: 62.5 t ADT: 29,350
I-88 EB
FairOver: CANOE CREEK
1.5 MI S HILLSDALE, Rock Island, IL
Built 1976 Load: 62.5 t ADT: 6,750
I-88 WB
FairOver: CANOE CREEK
1.5 MI S HILLSDALE, Rock Island, IL
Built 1976 Load: 62.5 t ADT: 6,750
TR 118
FairOver: LITTLE INDIAN CREEK
5.5 MI S VIRGINIA, Cass, IL
Built 1983 Load: 62.9 t ADT: 50
IL 64
FairOver: E BR DU PAGE RIVER
0.29 M W OF SWIFT RD, DuPage, IL
Built 1987 Load: 62.9 t ADT: 54,500
IL 82
FairOver: PHENIX DITCH
0.7 MI. S. OF IL 92, Henry, IL
Built 1996 Load: 62.9 t ADT: 1,750
ILL 29
FairOver: ILL RIVER TRIB
2.2 MI S OF SPARLAND, Peoria, IL
Built 1953 Load: 62.9 t ADT: 4,950
IL 104
FairOver: S FK SANGAMON RIVER
1.9M E CH5- KINKAID, Christian, IL
Built 2000 Load: 63.2 t ADT: 3,600
FAP-332 (ILL-1)
FairOver: HUTSON CREEK
2 MI N TRIMBLE, Crawford, IL
Built 1988 Load: 63.2 t ADT: 4,500
OLD US 40-CVILLE R
FairOver: CANTEEN CREEK
1/2 MI W FAIRMNT TRK, Madison, IL
Built 1991 Load: 63.2 t ADT: 7,450
NELSON ROAD
FairOver: Slough Creek
0.05 MI E MURRAY RD, McHenry, IL
Built 1963 Load: 63.2 t ADT: 1,800
I-39/US 51 NB
FairOver: W BR SUGAR CREEK
S OF I-55/I-39 JCT., McLean, IL
Built 1988 Load: 63.2 t ADT: 6,750
IL 113 TO I-55 SB
FairOver: CLAY POOL CREEK
JUST S OF ILL 113, Will, IL
Built 1960 Load: 63.2 t ADT: 700
FAI-70 EB
FairOver: LITTLE WABASH RIVER
8.8 MI E ALTAMNT INT, Effingham, IL
Built 2011 Load: 63.5 t ADT: 11,850
FAI-70 WB
FairOver: LITTLE WABASH RIVER
8.8 MI E ALTAMNT INT, Effingham, IL
Built 2011 Load: 63.5 t ADT: 11,850
I-57 NB & SB
FairOver: Prairie Creek
4.14 M. S. of IL 116, Iroquois, IL
Built 2015 Load: 63.5 t ADT: 18,100
TR 38
FairOver: DE ARCY CREEK
2 M N OF JERSEYVILLE, Jersey, IL
Built 1980 Load: 63.5 t ADT: 675
FAI 74 EB
FairOver: Pope Creek
0.9mi S Henry Co Ln, Knox, IL
Built 2018 Load: 63.5 t ADT: 8,150
IBERG RD/FAU 8858
FairOver: TRIB TO SUGAR CK
1.0 MI SE HIGHLAND, Madison, IL
Built 1976 Load: 63.5 t ADT: 800
FAP-327 (US-50)
FairOver: W BR SUGAR CREEK
3 MI E NOBLE, Richland, IL
Built 1963 Load: 63.5 t ADT: 3,600
I-70
FairOver: TURKEY RUN CREEK
2.1 MI E IL 49 INT, Clark, IL
Built 1968 Load: 63.8 t ADT: 22,800
US 20 EB
FairOver: SINSINAWA RIVER
2.0 MI W JCT ILL84, Jo Daviess, IL
Built 1966 Load: 63.8 t ADT: 8,650
OWENS ROAD
FairOver: BIG ROCK CREEK
2 MI W KANEVILLE, Kane, IL
Built 1900 Load: 63.8 t ADT: 50
IL 14
FairOver: LITTLE MUDDY RIVER
PERRY/FRANK CO LINE, Perry, IL
Built 2012 Load: 63.8 t ADT: 3,550
CH-14
FairOver: SUGAR CREEK
2.3 MI NE PASSPORT, Richland, IL
Built 1947 Load: 63.8 t ADT: 50
ILL 116
FairOver: INTERMITTENT STREAM
2.4 MI E OF ILL 89, Woodford, IL
Built 1959 Load: 63.8 t ADT: 4,100
US 150 (MAIN ST)
FairOver: CEDAR CREEK, BNSF RR
500 BLK W. MAIN, Knox, IL
Built 2012 Load: 64.2 t ADT: 10,300
TR 205
FairOver: BUCK CREEK
N 36TH E 1415, LaSalle, IL
Built 1934 Load: 64.2 t ADT: 50
ILL 26
FairOver: PIGEON CREEK
4.01 MI S OF IL 17, Marshall, IL
Built 2001 Load: 64.2 t ADT: 2,100
I-74
FairOver: STREAM
2.75 MI E OF US 54, Piatt, IL
Built 1970 Load: 64.2 t ADT: 21,500
MONTAGUE RD
FairOver: E BR MOSQUITO CREEK
2 MI W MERIDIAN RD, Winnebago, IL
Built 1983 Load: 64.2 t ADT: 3,300
IL 21 (MILWAUKEE)
FairOver: RR - UP
0.7 SE I-294, Cook, IL
Built 1970 Load: 64.5 t ADT: 28,400
ILL 138
FairOver: CAHOKIA CREEK
1.9MI W JCT FAI 55, Macoupin, IL
Built 1992 Load: 64.5 t ADT: 2,700
COTTAGE GROVE AV
FairOver: DEER CRK
0.2 M N OF SAUK TRL, Cook, IL
Built 2001 Load: 64.8 t ADT: 3,750
HOBSON RD
FairOver: E BR DUPAGE RIVER
0.40 MI W IL-53, DuPage, IL
Built 1999 Load: 64.8 t ADT: 20,900
IL 116/FAP 681
FairOver: Smith Branch
2.53 mi e 23 & 116, Livingston, IL
Built 2013 Load: 64.8 t ADT: 2,450
FAP 841-IL 154
FairOver: HOG CREEK
4.4 MI E OF US 51, Perry, IL
Built 2002 Load: 64.8 t ADT: 2,750
Showing 13,801-13,850 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.