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
W BLAIR RD
GoodOver: BR OF SPAFFORD CR
.2 M E OF N WAYNE RD, Stephenson, IL
Built 1987 Load: 32.4 t ADT: 50
WEST BUCKEYE ROAD
GoodOver: BR OF RICHLAND CREEK
0.3 MI W OF ILL 26, Stephenson, IL
Built 1986 Load: 32.4 t ADT: 75
PARK ROAD
GoodOver: BR CRANE GROVE CREEK
0.8 MI W OF ILL 26, Stephenson, IL
Built 1988 Load: 32.4 t ADT: 150
EAST LAMM ROAD
GoodOver: SUMNER CREEK
4 MI NE GERMAN VALLY, Stephenson, IL
Built 1989 Load: 32.4 t ADT: 50
E. BLAIR ROAD
GoodOver: PINK CREEK
0.6 MI E FARWELL BR, Stephenson, IL
Built 1991 Load: 32.4 t ADT: 25
E. BRICK SCHOOL RD
GoodOver: BR. OF PINK CREEK
4 MI. S. OF DAVIS, Stephenson, IL
Built 1992 Load: 32.4 t ADT: 50
W. WINNESHEIK ROAD
GoodOver: BR. PECATONICA RIVER
1.35 MI. W. OF IL 26, Stephenson, IL
Built 1991 Load: 32.4 t ADT: 175
EAST FELTS ROAD
GoodOver: S BRANCH OTTER CREEK
.25 MI E CHURCH RD, Stephenson, IL
Built 1992 Load: 32.4 t ADT: 25
N. DAMASCUS RD/TR1
GoodOver: MUDDY CREEK
1.5 MI. N. MCCONNELL, Stephenson, IL
Built 1993 Load: 32.4 t ADT: 75
E WALNUT GR RD-TR6
GoodOver: HAPPY HOLLOW CREEK
0.5 MI E DAVIS RD, Stephenson, IL
Built 1994 Load: 32.4 t ADT: 50
E. ROCK GROVE RD
GoodOver: SOUTH OTTER CREEK
0.3 MI W DAVIS RD, Stephenson, IL
Built 1994 Load: 32.4 t ADT: 850
N. BOLENDER RD
GoodOver: E. BR. RICHLAND CRK.
.5 MI N ROCK GRV RD, Stephenson, IL
Built 1994 Load: 32.4 t ADT: 100
N. DAVIS ROAD
GoodOver: S. BR. OTTER CREEK
2.3 MI. N. OF DAVIS, Stephenson, IL
Built 1995 Load: 32.4 t ADT: 1,550
N HENDERSON ROAD
GoodOver: LITTLE RICHLAND CRK.
0.03 MI. S. WISC. LN, Stephenson, IL
Built 1995 Load: 32.4 t ADT: 75
N. KINNEY ROAD
GoodOver: BROWN CREEK
4 MI. SE. ROCK CITY, Stephenson, IL
Built 1995 Load: 32.4 t ADT: 50
CEDARVILLE ROAD
GoodOver: RICHLAND CR OVERFLOW
1.5 MI W CEDARVILLE, Stephenson, IL
Built 1996 Load: 32.4 t ADT: 1,000
CEDARVILLE ROAD
GoodOver: CEDAR CREEK OVERFLOW
1 MI. W. CEDARVILLE, Stephenson, IL
Built 1996 Load: 32.4 t ADT: 1,100
NORTH BROWN ROAD
GoodOver: BROWN CREEK
1.5 MI. E. OF DAKOTA, Stephenson, IL
Built 1998 Load: 32.4 t ADT: 25
E. ROCK GROVE RD
GoodOver: ROCK RUN CREEK
.7 MI E ROCK CITY RD, Stephenson, IL
Built 1997 Load: 32.4 t ADT: 850
W. PEARL CITY RD
GoodOver: BR YELLOW CREEK
1 MI. E. PEARL CITY, Stephenson, IL
Built 1997 Load: 32.4 t ADT: 2,500
N. CHURCH ROAD
GoodOver: BR, ROCK RUN CREEK
0.5 MI S. OF IL 75, Stephenson, IL
Built 1996 Load: 32.4 t ADT: 50
N. FLANSBURG ROAD
GoodOver: BR. PECATONICA RIVER
.4 MI S CEDARVIL. RD, Stephenson, IL
Built 1998 Load: 32.4 t ADT: 225
NORTH KINNEY ROAD
GoodOver: MORRISON SPRING BR.
.23 MI. S. MAIZE RD, Stephenson, IL
Built 1999 Load: 32.4 t ADT: 50
RINK ROAD
GoodOver: UNNAMED STREAM
0.2 MI N PRESTON RD, Stephenson, IL
Built 2000 Load: 32.4 t ADT: 775
RED OAK RD
GoodOver: BR OF RICHLAND CREEK
2 MI NW CEDARVILLE, Stephenson, IL
Built 2000 Load: 32.4 t ADT: 300
FAIRVIEW ROAD
GoodOver: UNNAMED STREAM
0.2 MI W OF TOWER RD, Stephenson, IL
Built 2000 Load: 32.4 t ADT: 25
REES ROAD
GoodOver: BR OF YELLOW CREEK
2 MI W OF ELROY, Stephenson, IL
Built 2003 Load: 32.4 t ADT: 75
ELROY RD
GoodOver: BR OF PECATONICA RVR
0.5 MI NE OF ELROY, Stephenson, IL
Built 2003 Load: 32.4 t ADT: 50
UNITY RD
GoodOver: TRIB OF WADDAMS CRK
2.5MI NE OF LENA, Stephenson, IL
Built 2005 Load: 32.4 t ADT: 50
N. RIDGE RD
GoodOver: TRIB OF RICKLAN CRK
0.75MI N OF ORANGVIL, Stephenson, IL
Built 2005 Load: 32.4 t ADT: 20
KNAUP RD
GoodOver: BROWN CREEK
1.5 M S ROCK CITY, Stephenson, IL
Built 2006 Load: 32.4 t ADT: 25
E ROCK GROVE RD
GoodOver: ROCK RUN CR
0.40MI E ROCK GROVE, Stephenson, IL
Built 2006 Load: 32.4 t ADT: 700
E GREENFIELD ROAD
GoodOver: SUMNER CREEK
4.0 M NE GERMAN VALL, Stephenson, IL
Built 2006 Load: 32.4 t ADT: 50
BRUSH CREEK RD
GoodOver: BR OF RICHLAND CREEK
2.0 MI SW ORANGEVILL, Stephenson, IL
Built 2008 Load: 32.4 t ADT: 50
HERSHEY RD
GoodOver: BR OF EAST PLUM RIVR
5MI SW OF PEARL CITY, Stephenson, IL
Built 2012 Load: 32.4 t
E. KNAUP ROAD
GoodOver: BROWN CREEK
1.0 MI E. ILL RTE 75, Stephenson, IL
Built 2009 Load: 32.4 t ADT: 125
W GODDARD ROAD
GoodOver: BR OF YELLOW CREEK
0.5 MI N OF US RT 20, Stephenson, IL
Built 2009 Load: 32.4 t ADT: 50
HILLCREST ROAD
GoodOver: TRIB. OF PEC. RIVER
1.0 MI E. OF RTE 75, Stephenson, IL
Built 2009 Load: 32.4 t ADT: 50
N. BOLTON ROAD
GoodOver: PRESTON CREEK
2 mi NW of Freeport, Stephenson, IL
Built 2011 Load: 32.4 t ADT: 900
S KENT RD
GoodOver: BR OF PLUM CREEK
4 MI SW PEARL CITY, Stephenson, IL
Built 2015 Load: 32.4 t ADT: 425
TR-610 (Jay Street
GoodOver: Willow Lake Trib
2 MI N OF FREEPORT, Stephenson, IL
Built 2017 Load: 32.4 t ADT: 175
CAT RIVER RD.
GoodOver: FARM CREEK
0.06 MI SW OF IL 40, Tazewell, IL
Built 1993 Load: 32.4 t ADT: 1,750
WASHINGTON ST
GoodOver: COLE CREEK
SW-33-T26NR4W, Tazewell, IL
Built 1953 Load: 32.4 t ADT: 4,350
TR 4 (CO. LINE ROA
GoodOver: MIDDLE FORK SUGAR CR
HITTLE-EAST LINE 12, Tazewell, IL
Built 1982 Load: 32.4 t ADT: 75
FAS 2462 - CH 11
GoodOver: CRANE CREEK
W.CTR-18-T22NR4W, Tazewell, IL
Built 1976 Load: 32.4 t ADT: 400
MASON RD - TR 328
GoodOver: STREAM
SW-24-T22NR2W, Tazewell, IL
Built 1980 Load: 32.4 t ADT: 50
LEGION RD - TR 243
GoodOver: E FK SUGAR CR
NE-34-T23NR2W, Tazewell, IL
Built 1982 Load: 32.4 t ADT: 50
TR 229A STRINGTWN
GoodOver: SUGAR CREEK
SW-24-T23NR2W, Tazewell, IL
Built 1985 Load: 32.4 t ADT: 550
TR 201
GoodOver: STREAM
NE COR-14-T23NR6W, Tazewell, IL
Built 1985 Load: 32.4 t ADT: 75
TR 187
GoodOver: SARGENT SLOUGH
E. CTR-12-T23NR3W, Tazewell, IL
Built 1987 Load: 32.4 t ADT: 75
Showing 21,051-21,100 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.