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
PRYOR DRIVE
GoodOver: TRIBUTARY SILVER CREEK
50' NORTH OF AIR GUARD WA, St. Clair, IL
Built 2010 Load: 32.7 t ADT: 2,500
EAST ELM ROAD
GoodOver: COON CREEK
1.2 MI E OF ILL 26, Stephenson, IL
Built 1976 Load: 32.7 t ADT: 50
FAS-1819
GoodOver: CREEK
2 MI E GARDS POINT, Wabash, IL
Built 1974 Load: 32.7 t ADT: 625
GEORGE WASHINGTON
GoodOver: CREEK
20953 W HOFF RD, ELWOOD, Will, IL
Built 2010 Load: 32.7 t ADT: 5
FAS 1887
GoodOver: GRASSY CREEK
1 MI NW OF STONEFORT, Williamson, IL
Built 1990 Load: 32.7 t ADT: 300
TOWNSHIP ROAD 37A
GoodOver: BR OF BUREAU CREEK
1.5 M NW OF LAMOILLE, Bureau, IL
Built 1980 Load: 33.0 t ADT: 50
FAS 783
GoodOver: CREEK
2.3M W DAMIANSVILLE, Clinton, IL
Built 1965 Load: 33.0 t ADT: 200
IL 43 NB (HARLEM)
GoodOver: RR MWRDGC
0.2 M N OF I-55, Cook, IL
Built 2022 Load: 33.0 t ADT: 35,500
US 12,45 MANNHEIM
GoodOver: SILVER CREEK
.33 M S OF GRAND AVE, Cook, IL
Built 1977 Load: 33.0 t ADT: 41,700
BRIDGE ST
GoodOver: CHI MET SAN CANAL
0.5 M W GREEN BAYP6, Cook, IL
Built 1908 Load: 33.0 t ADT: 4,550
CH-14
GoodOver: CREEK
0.5 MI N FLAT ROCK, Crawford, IL
Built 1977 Load: 33.0 t ADT: 300
South First Street
GoodOver: S BR Kishwaukee Riv
1800N 890E, DeKalb, IL
Built 2021 Load: 33.0 t ADT: 450
TR 86 SARATOGA RD
GoodOver: EAST FK NETTLE CREEK
.27 MI N NELSON RD, Grundy, IL
Built 1986 Load: 33.0 t ADT: 275
TR 131 BURKHART RO
GoodOver: WAUPECON CREEK
.41 MI W KINSMAN RD, Grundy, IL
Built 1984 Load: 33.0 t ADT: 75
TR NO 360
GoodOver: FLOUR CREEK
1.75 MI N OF AUGUSTA, Hancock, IL
Built 1977 Load: 33.0 t ADT: 150
FAS 919 (Makanda R
GoodOver: Drury Creek Overflow
W of Makanda, Jackson, IL
Built 2016 Load: 33.0 t ADT: 500
PERRY ROAD
GoodOver: BIG ROCK CREEK
2.5 MI NW KANEVILLE, Kane, IL
Built 1972 Load: 33.0 t ADT: 1,650
IL 47
GoodOver: Trib of Aux Sable Cr
.74 M N of US 52, Kendall, IL
Built 2018 Load: 33.0 t ADT: 7,800
ORCHARD ROAD
GoodOver: B+N R.R
ORCHARD RD 1/4MNMILL, Kendall, IL
Built 1993 Load: 33.0 t ADT: 14,700
Hutchins Rd
GoodOver: Mill Creek
0.7 Mi N of IL 132, Lake, IL
Built 2020 Load: 33.0 t ADT: 3,550
FAS-1806 (ILL-250)
GoodOver: MUDDY CREEK
ECL SUMNER, Lawrence, IL
Built 1976 Load: 33.0 t ADT: 2,050
SLEEPY HOLLOW RD
GoodOver: TRIB OF GREEN RIVER
0.5 M W ROCKYFORD RD, Lee, IL
Built 1981 Load: 33.0 t ADT: 175
TR 145A
GoodOver: TURTLE CREEK
1460E,1500N, Livingston, IL
Built 1989 Load: 33.0 t ADT: 325
IL 121
GoodOver: BRANCH SALT CREEK
3.5 MI N MT PULASKI, Logan, IL
Built 1998 Load: 33.0 t ADT: 3,500
TR 234
GoodOver: Main Ditch
0.30 mi N TR 47, Mason, IL
Built 2018 Load: 33.0 t ADT: 50
CHARLES MILLER Rd
GoodOver: FOX RIVER
0.1 MI W RIVER RD, McHenry, IL
Built 2013 Load: 33.0 t ADT: 8,150
FAS 494
GoodOver: SALT CREEK
1 MI SE LEROY, McLean, IL
Built 2000 Load: 33.0 t ADT: 775
FAU-6385 (CH-70)
GoodOver: Sugar Creek
1.0M NE I55 & US150, McLean, IL
Built 2006 Load: 33.0 t ADT: 4,200
FAS 1575
GoodOver: CLARY CREEK
1 M NW TALLULA, Menard, IL
Built 1988 Load: 33.0 t ADT: 100
IL 96
GoodOver: TWO MILE CREEK
1.6M SE US 54-ATLAS, Pike, IL
Built 1938 Load: 33.0 t ADT: 1,200
FAP 558 (IL 100)
GoodOver: Little Blue Creek
1.67 mi S IL 106, Pike, IL
Built 2015 Load: 33.0 t ADT: 1,300
TR 10
GoodOver: TRIB TO CACHE RIVER
0.6 MI N OF MOUNDS, Pulaski, IL
Built 1980 Load: 33.0 t ADT: 175
TR 415B AUBURN
GoodOver: SUGAR CREEK
1.0 E OF AUBURN, Sangamon, IL
Built 1980 Load: 33.0 t ADT: 175
FAS 1621
GoodOver: LICK CREEK
2.5 N CHATHAM, Sangamon, IL
Built 1973 Load: 33.0 t ADT: 3,700
IL 13
GoodOver: ICRR
2.5 S of Freeburg, St. Clair, IL
Built 1997 Load: 33.0 t ADT: 5,800
IL 3 NB
GoodOver: 2 future TRRA tracks
0.5mi SW I-70, St. Clair, IL
Built 2016 Load: 33.0 t ADT: 2,350
IL 3 SB
GoodOver: 2 future TRRA tracks
0.5 mi SW of I-70, St. Clair, IL
Built 2016 Load: 33.0 t ADT: 2,350
ILL 177
GoodOver: TRIB RAYHILLS SLOUGH
4.5M E OF IL 4, St. Clair, IL
Built 1994 Load: 33.0 t ADT: 2,000
SOUTH LORAN RD
GoodOver: BRANCH PLUM CREEK
5.5 MI SW PEARL CITY, Stephenson, IL
Built 1935 Load: 33.0 t ADT: 225
OR 3 (OFF US 51)
GoodOver: STREAM
1 MI N OF ILL 146, Union, IL
Built 1968 Load: 33.0 t ADT: 1,700
TR-349
GoodOver: Crooked Creek
5 MI N WAYNE CITY, Wayne, IL
Built 2007 Load: 33.0 t ADT: 25
GOODENOW ROAD
GoodOver: BR. OF PLUM CREEK
0.14 MI W OF IL-1, Will, IL
Built 2019 Load: 33.0 t ADT: 4,600
EL RANCHO LN
GoodOver: SPRING CREEK
0.03 M S SPRING CR R, Winnebago, IL
Built 1977 Load: 33.0 t ADT: 500
MONROE STREET
GoodOver: EMERY CREEK
ON MONROE AT SO 26TH, Adams, IL
Built 1972 Load: 33.4 t ADT: 1,450
ILL 100
GoodOver: GODAR HOLLOW CREEK
2 M N HARDIN MP 2.4, Calhoun, IL
Built 1996 Load: 33.4 t ADT: 2,300
ILLINOIS 100
GoodOver: POOR FARM HOLLOW CRK
HARDIN HIGH SCH MP.9, Calhoun, IL
Built 1996 Load: 33.4 t ADT: 3,400
TR 98
GoodOver: SPRING BRANCH
2.5 MI S EDINBURG, Christian, IL
Built 1973 Load: 33.4 t ADT: 225
FAS 2704 (OLD-50)
GoodOver: BRUSH CREEK
.75 MI E XENIA, Clay, IL
Built 2012 Load: 33.4 t ADT: 1,100
ILL 177
GoodOver: QUEENS LAKE BRANCH
1/2MI W NEW MEMPHIS, Clinton, IL
Built 1997 Load: 33.4 t ADT: 2,100
TR 215E CENTER ST
GoodOver: QUEEN'S LAKE BRANCH
NEW MEMPHIS, Clinton, IL
Built 1995 Load: 33.4 t ADT: 450
Showing 21,951-22,000 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.