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
POSSUM HILL ROAD
GoodOver: TRIB TO SILVER CREEK
1/4 MI W OF IL 4, Madison, IL
Built 1975 Load: 32.4 t ADT: 1,100
IL 111 / IL 267
GoodOver: N Trib to Rocky Fork
East of IL 255, Madison, IL
Built 2014 Load: 32.4 t ADT: 8,050
FAS 778/ST. ROSE R
GoodOver: SUGAR CK
2.3MI E HIGHLAND, Madison, IL
Built 1948 Load: 32.4 t ADT: 3,550
LIBBRA RD/TR 67
GoodOver: TRIB TO SILVER CK
1.0MI SE LIVINGSTON, Madison, IL
Built 1974 Load: 32.4 t ADT: 100
CH 13 SUMMERFIELD
GoodOver: LAKE FK CK
1.0 MI S ST JACOB, Madison, IL
Built 1971 Load: 32.4 t ADT: 350
ROOSEVELT RD/ TR 1
GoodOver: INDIAN CREEK
0.5 MI E MEADOWBROOK, Madison, IL
Built 1976 Load: 32.4 t ADT: 125
FAIRVIEW RD/ FAS 3
GoodOver: LITTLE SILVER
3.0 MI NE GRANTFORK, Madison, IL
Built 1978 Load: 32.4 t ADT: 100
MAYER ROAD/ TR 239
GoodOver: SUGAR FORKCREEK
1.5 MI E MARINE, Madison, IL
Built 1981 Load: 32.4 t ADT: 150
BLACKSMITH RD/TR 1
GoodOver: TRIB TO L DRY FORK
2.0 MI SE N DOUGLAS, Madison, IL
Built 1979 Load: 32.4 t ADT: 50
DAVIS LN/ MSS 6160
GoodOver: S BR LITTLE PIASA
2.8 MI NW GODFREY, Madison, IL
Built 1978 Load: 32.4 t ADT: 400
SPRTSMNS LK RD/TR2
GoodOver: SUGAR FORK CREEK
1.5 MI SE MARINE, Madison, IL
Built 1985 Load: 32.4 t ADT: 100
TR 179/NIGGLI ROAD
GoodOver: LITTLE SILVER CREEK
4.0 MI NE GRANTFORK, Madison, IL
Built 1984 Load: 32.4 t ADT: 100
TR157
GoodOver: TRIB. TO SILVER CRK.
1 MILE SE OF HAMEL, Madison, IL
Built 1987 Load: 32.4 t ADT: 125
TR 165 MEFFERT RD
GoodOver: LITTLE SILVER CREEK
6.5 MI NORTH PIERRON, Madison, IL
Built 1986 Load: 32.4 t ADT: 150
BOND COUNTY TR 6
GoodOver: TRIBUTARY
3 MI SE NEW DOUGLAS, Madison, IL
Built 1986 Load: 32.4 t ADT: 25
TR 145
GoodOver: LITTLE SILVER CREEK
4.5 MI NE ALHAMBRA, Madison, IL
Built 1988 Load: 32.4 t ADT: 50
ALHAMBRA RD/ TR 29
GoodOver: TRIB. TO LITTLE SILV
.2 MI. S. ALHAMBRA, Madison, IL
Built 1986 Load: 32.4 t ADT: 50
NIGGLI RD/ TR 179
GoodOver: E. FORK SILVER CK
2.5 MI N GRANTFORK, Madison, IL
Built 1991 Load: 32.4 t ADT: 100
KEEBLER RD
GoodOver: BURDICK BR
.17MI S OF IL RT 162, Madison, IL
Built 1999 Load: 32.4 t ADT: 4,550
TR 372 LUDWIG RD
GoodOver: E. FORK OF SILVER CR
2.5 MI NE GRANTFORK, Madison, IL
Built 1993 Load: 32.4 t ADT: 50
TR 328 GEIGER RD
GoodOver: SAND CREEK
3 MI SE. ALHAMBRA, Madison, IL
Built 1996 Load: 32.4 t ADT: 75
TR 9
GoodOver: TRIB TO DRY FORK CK
1.5 MI N NEW DOUGLAS, Madison, IL
Built 1994 Load: 32.4 t ADT: 50
S MORELAND RD CH 1
GoodOver: TRIB INDIAN CREEK
2.0 MI S BETHALTO, Madison, IL
Built 2004 Load: 32.4 t ADT: 4,850
POAG RD. CH69
GoodOver: DELLAPLAIN BR.
1.1 MI. W. 157, Madison, IL
Built 1966 Load: 32.4 t ADT: 4,100
E MICK RD/TR 261A
GoodOver: WENDALL BRANCH
2.0 MI N OF TROY, Madison, IL
Built 1996 Load: 32.4 t ADT: 200
FRANDSEN RD/TR 272
GoodOver: SILVER CREEK
2MI NW OF ALHAMBRA, Madison, IL
Built 1996 Load: 32.4 t ADT: 100
TWIN HILL LN/TR 19
GoodOver: TRIB TO SILVER CREEK
2.5MI S OF HAMEL, Madison, IL
Built 1996 Load: 32.4 t ADT: 50
LUDWIG RD (TR 372)
GoodOver: EAST FORK SILVER CR.
1.0MI NE GRANTFORK, Madison, IL
Built 2000 Load: 32.4 t ADT: 75
JOHNSTON RD (TR 28
GoodOver: CORLOCK BRANCH
2.5MI SEMARINE, Madison, IL
Built 1999 Load: 32.4 t ADT: 100
MC COY RD
GoodOver: E FK WOODRIVER CK
1.5 MI NW BETHALTO, Madison, IL
Built 2000 Load: 32.4 t ADT: 625
TRESTLE RD TR 289
GoodOver: SUGAR CK
2.0MI NE HIGHLAND, Madison, IL
Built 2000 Load: 32.4 t ADT: 600
FAS 2735
GoodOver: PADDOCK CREEK
2.4 MI W PRAIRIETOWN, Madison, IL
Built 2000 Load: 32.4 t ADT: 1,850
FAS 2735
GoodOver: BRANCH OF PADDOCK CK
1.75 W PRAIRIETOWN, Madison, IL
Built 2000 Load: 32.4 t ADT: 1,850
RIDGEVIEW RD.
GoodOver: LITTLE MOONEY CK
IL RT. 143 INTERSECT, Madison, IL
Built 2002 Load: 32.4 t ADT: 1,550
WOOD STATION RD/TR
GoodOver: W FK WOODRIVER CREEK
2.5MI N EAST ALTON, Madison, IL
Built 2002 Load: 32.4 t ADT: 375
YANN RD/TR 298
GoodOver: SAND CREEK
2.5 MI E MARINE, Madison, IL
Built 2006 Load: 32.4 t ADT: 100
W MILL CR RD TR 36
GoodOver: MILL CREEK
2.5M S OF TROY, Madison, IL
Built 2006 Load: 32.4 t ADT: 150
FAS 766/FRUIT RD
GoodOver: SUGAR FORK
4.7 W GRANTFORK, Madison, IL
Built 2007 Load: 32.4 t ADT: 375
CYPRESS RD/ TR258
GoodOver: TRIB TO LAKE FORK
2.5MI SW ST. JACOB, Madison, IL
Built 2005 Load: 32.4 t ADT: 100
TR 80 WOLF RD
GoodOver: LICK BR
1.25M N OF ALTON, Madison, IL
Built 2008 Load: 32.4 t ADT: 175
MICHAEL RD/TR 305A
GoodOver: SUGAR CK
1.5MI E HIGHLAND, Madison, IL
Built 2011 Load: 32.4 t ADT: 525
LIBBRA RD/TR67
GoodOver: SILVER CK
1.5MI SE LIVINGSTON, Madison, IL
Built 2009 Load: 32.4 t ADT: 100
CH 61 AIRPORT RD
GoodOver: TRIB LITTLE PIASA
.04MI S JERSEY CO, Madison, IL
Built 2010 Load: 32.4 t ADT: 200
CH 14 POSSUM HILL
GoodOver: CAHOKIA CK
2.0 MI W WORDEN, Madison, IL
Built 2010 Load: 32.4 t ADT: 300
TR 238A STAUNTON R
GoodOver: TRIB SILVER CR
2.2 MI S HAMEL, Madison, IL
Built 2011 Load: 32.4 t ADT: 200
TR 343 Kirsch Rd.
GoodOver: Mill Creek
1.5 MI S Troy, Madison, IL
Built 2012 Load: 32.4 t ADT: 500
TR 274 Cedar Road
GoodOver: Little Silver Creek
4.0 Mi S of St Jacob, Madison, IL
Built 2014 Load: 32.4 t ADT: 75
TR 244
GoodOver: TRIB TO CAHOKIA CK
0.5MI SW STAUNTON, Madison, IL
Built 2011 Load: 32.4 t ADT: 100
CH 13 Marine Rd.
GoodOver: Trib to Silver Creek
5 mi N of Marine, Madison, IL
Built 2011 Load: 32.4 t ADT: 175
FAU 9016 Moro Rd.
GoodOver: Indian Creek
1.5 Mi E Moro, Madison, IL
Built 2014 Load: 32.4 t ADT: 3,450
Showing 19,101-19,150 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.