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
TR 291
GoodOver: WEST FORK SUGAR CR
2.5 MILE NW STANFORD, McLean, IL
Built 1973 Load: 28.8 t ADT: 50
COUNTY HIGHWAY 25
GoodOver: DRAINAGE DITCH
0.8 M N OF JOSLIN, Rock Island, IL
Built 1977 Load: 28.8 t ADT: 450
TR-414
GoodOver: MARTIN CREEK
0.7 MI E GEFF, Wayne, IL
Built 1968 Load: 28.8 t ADT: 100
SHATTUC RD/FAS 178
GoodOver: PRAIRIE BRANCH
2.71 MI SOUTH US 50, Clinton, IL
Built 1940 Load: 29.2 t ADT: 1,750
CH 7 (FAS 546)
GoodOver: DRAINAGE DITCH
1.5 MI S OF KENNY, De Witt, IL
Built 1965 Load: 29.2 t ADT: 400
TR-423
GoodOver: LITTLE HICKORY CREEK
2 MI NW LOOGOOTEE, Fayette, IL
Built 1976 Load: 29.2 t ADT: 50
FAS 746
GoodOver: PROUGH BRANCH
2 MI E.OF KANE, Greene, IL
Built 1901 Load: 29.2 t ADT: 150
TR 56
GoodOver: EDWARDS RIVER
3 MI SE LYNN CENTER, Henry, IL
Built 1977 Load: 29.2 t ADT: 50
US 52 FAP 607
GoodOver: INDIAN CREEK
2.12 MI E OF ILL 23, LaSalle, IL
Built 1988 Load: 29.2 t ADT: 1,500
TR 251
GoodOver: CREEK
3130 E, 300 N, Livingston, IL
Built 1978 Load: 29.2 t ADT: 25
TR-1
GoodOver: LEE CREEK
1 MI N VERNON, Marion, IL
Built 1981 Load: 29.2 t ADT: 75
Olcott Road
GoodOver: Unnamed Ditch
Olcott at Carmack, McHenry, IL
Built 2016 Load: 29.2 t ADT: 125
TR 186A
GoodOver: DUCK CREEK
SE-26-T13NR3W, Mercer, IL
Built 1958 Load: 29.2 t ADT: 10
TR 85
GoodOver: BONNIE CR TRIB
2 MI S OF SWANWICK, Perry, IL
Built 1994 Load: 29.2 t ADT: 50
MUNICIPAL ST. 6060
GoodOver: BR LITTLE SILVER CK
0.2 MI E CH50 SUMFLD, St. Clair, IL
Built 1981 Load: 29.2 t ADT: 150
EAST MAIZE ROAD
GoodOver: WINNESHEIK CREEK
4.0 MI S OF DAKOTA, Stephenson, IL
Built 1971 Load: 29.2 t ADT: 75
FAU 7060
GoodOver: BUTLER BRANCH
N. CATLIN, Vermilion, IL
Built 2007 Load: 29.2 t ADT: 675
ILL 148
GoodOver: CRAB ORCHARD LAKE
2.8 MI S OF ILL 13, Williamson, IL
Built 1938 Load: 29.2 t ADT: 6,150
ROCKTON AVENUE
GoodOver: MUD CREEK
0.5 M S LATHAM ROAD, Winnebago, IL
Built 1981 Load: 29.2 t ADT: 675
TR 207
GoodOver: ASHMORE CR
4.5 MI SE WEAVER, Clark, IL
Built 1954 Load: 29.5 t ADT: 150
TR 9
GoodOver: N FK RACCOON CREEK
1 MI W WEST YORK, Clark, IL
Built 1989 Load: 29.5 t ADT: 200
TR 28/TANK ROAD
GoodOver: BRANCH SUGAR CREEK
1.5 MI W ALBERTS, Clinton, IL
Built 1901 Load: 29.5 t ADT: 250
JFK BLVD
GoodOver: SALT CR
0.5 M E ARL HTS P5, Cook, IL
Built 1961 Load: 29.5 t ADT: 6,200
TR 105 SPRING RD
GoodOver: TRIB TO CLAYPOOL D D
0.32 MI E JUGTOWN RD, Grundy, IL
Built 1988 Load: 29.5 t ADT: 25
FAP-849 (ILL-142)
GoodOver: TRIB ROCKY BRANCH
1.3MI SE BELLE RIVE, Jefferson, IL
Built 1930 Load: 29.5 t ADT: 2,850
BIG TIMBER RD
GoodOver: TYLER CR.
1.25M W. RANDALL RD, Kane, IL
Built 2003 Load: 29.5 t ADT: 14,500
US 52
GoodOver: BUCK CREEK
12.22 MI E OF IL 251, LaSalle, IL
Built 1997 Load: 29.5 t ADT: 1,200
FAS268 B/CH15
GoodOver: PERSON CREEK
E 22ND,N 2600, LaSalle, IL
Built 1955 Load: 29.5 t ADT: 900
TR 276B
GoodOver: N FORK VERMILION RIV
1425N, 3400E, Livingston, IL
Built 1997 Load: 29.5 t ADT: 50
TR 369
GoodOver: CAHOKIA CR
2 MI E GILLESPIE, Macoupin, IL
Built 1978 Load: 29.5 t ADT: 150
TR 179
GoodOver: SUGAR FK CK
1.8 MI S ALHAMBRA, Madison, IL
Built 1970 Load: 29.5 t ADT: 125
TR 9A (TH-C54)
GoodOver: BR CROW CREEK
T13N-R9E-4PM SEC 2, Marshall, IL
Built 1935 Load: 29.5 t ADT: 75
TR 299
GoodOver: BRANCH KICKAPOO CR
5.0 MI N DOWNS, McLean, IL
Built 1985 Load: 29.5 t ADT: 175
FLAGG RD
GoodOver: KYTE RIVER
4.5 MI W ROCHELLE, Ogle, IL
Built 1955 Load: 29.5 t ADT: 1,950
CH 055
GoodOver: LAMARSH CREEK
1 Mi W of Cameron Ln, Peoria, IL
Built 2016 Load: 29.5 t ADT: 3,300
LEGION HALL RD
GoodOver: BR HICKORY RUN CR
N LN NEQTR 18T10NR7E, Peoria, IL
Built 1995 Load: 29.5 t ADT: 300
TR 91
GoodOver: CAMP CREEK
2 M SE WHITE HEATH, Piatt, IL
Built 1959 Load: 29.5 t ADT: 50
SAUGET INDUSTRIAL
GoodOver: ICRR DITCH
.26MI N OF I-255, St. Clair, IL
Built 1994 Load: 29.5 t ADT: 7,550
WALNUT ROAD
GoodOver: YELLOW CREEK
.5 SOUTH OF FREEPORT, Stephenson, IL
Built 1964 Load: 29.5 t ADT: 4,150
GALENA RD
GoodOver: UNNAMED CREEK
5.0 MI NW LENA, Stephenson, IL
Built 1931 Load: 29.5 t ADT: 1,650
EAST ANGLE RD
GoodOver: BRANCH CEDAR CREEK
2.0 MI NW OF DAKOTA, Stephenson, IL
Built 1964 Load: 29.5 t ADT: 100
TR 212
GoodOver: CYPRESS CK
2.5 MI E I-57, Union, IL
Built 1973 Load: 29.5 t ADT: 100
TR 276
GoodOver: CLIFTYCR-LK OF EGYPT
2 MI E PULLEYS MILL, Williamson, IL
Built 1962 Load: 29.5 t ADT: 950
RIVER ROAD
GoodOver: MAYBERRY CREEK
1.8 MI S GENOA ROAD, Winnebago, IL
Built 1998 Load: 29.5 t ADT: 175
IL 140 & IL 127
GoodOver: E Shoal Cr Overflow
0.25mi W Greenville, Bond, IL
Built 1985 Load: 29.8 t ADT: 4,350
TR 75B
GoodOver: KINGSBURY RESEVOIR
5M NW MULBERRY GROVE, Bond, IL
Built 1974 Load: 29.8 t ADT: 75
TR 234 B
GoodOver: STREAM
3.6 MI E THOMASBORO, Champaign, IL
Built 1974 Load: 29.8 t ADT: 150
TR 34
GoodOver: TRIB TO KASKASKIA RI
1/2 MI S COOKS MILL, Coles, IL
Built 2012 Load: 29.8 t ADT: 100
SHERMER RD
GoodOver: W F N BR CHICAGO RIV
0.3 M SW ILL 43 P14, Cook, IL
Built 1923 Load: 29.8 t ADT: 4,675
MDWY RECIR RAMP
GoodOver: LOWER LEVEL TERM RD
ELVT RD FROM LL GAR, Cook, IL
Built 1998 Load: 29.8 t ADT: 750
Showing 14,901-14,950 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.