Total Bridges
27,743
Public highway bridges in Illinois
State profile · Near national median SD
Illinois bridge safety
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Illinois — drawn straight from the FHWA National Bridge Inventory.
- 27,743
- Public bridges
- 41.2%
- Good condition
- 7.9%
- Poor condition
- 7.9%
- Structurally deficient
Good Condition
41.2%
11,426 bridges rated 7-9
-8.8pp vs 50% benchmark
Poor Condition
7.9%
2,186 bridges rated 0-4
Structurally Deficient
7.9%
2,186 bridges flagged for repair priority
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 — Structurally deficient share 26.3%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Bridge inventory deck-condition mix — Illinois (FHWA NBI)
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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Illinois on the same metric.
44
Rhode Island
7.69% top marginal rate
31
Nebraska
7.73% top marginal rate
17
Illinois
7.88% top marginal rate
25
Massachusetts
7.96% top marginal rate
29
Missouri
8.53% top marginal rate
Bridges Needing Most Attention in Illinois
Six lowest-condition bridges in Illinois, ranked by composite NBI rating. Each is inspected at least every 24 months.
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
Structurally DeficientOver: WILSON CREEK
NE-35-T3NR2E, Fulton, IL
Built 1935 Load: 1.3 t ADT: 10
TR 10-B
Structurally DeficientOver: KING CREEK
W EDGE OF MINERAL, Bureau, IL
Built 1899 Load: 1.6 t ADT: 10
TR-6
Structurally DeficientOver: DRAINAGE DITCH
3.5 MI NE DIETERICH, Effingham, IL
Built 1909 Load: 1.6 t ADT: 25
TR208K(TWIN BRIDGE
Structurally DeficientOver: BIG CREEK
NE EDGE MT ZION, Macon, IL
Built 1967 Load: 1.9 t ADT: 375
All Bridges in Illinois
TR 93
GoodOver: YELLOW CREEK
1.5 MI SW WADDAMS GR, Stephenson, IL
Built 2021 Load: 38.9 t ADT: 50
CAMP STREET-FAU671
GoodOver: FARM CREEK
E PEO-ILL8 & 116, Tazewell, IL
Built 1930 Load: 38.9 t ADT: 6,200
FAS 1481-CH 7
GoodOver: DRAINAGE DITCH
SW-35-T24NR6W, Tazewell, IL
Built 2006 Load: 38.9 t ADT: 1,050
JOHNSON DAIRY ROAD
GoodOver: ADDS BRANCH
3.2 MI EAST OF I-57, Union, IL
Built 2022 Load: 38.9 t ADT: 10
HOLL0WAY (FAS 497A
GoodOver: PAINTER CREEK
IN BISMARCK, Vermilion, IL
Built 1994 Load: 38.9 t ADT: 750
FAP 709(US 136)
GoodOver: DRAINAGE DITCH
5 MI W OF POTOMAC, Vermilion, IL
Built 1989 Load: 38.9 t ADT: 1,550
FAS 331(CH 10)
GoodOver: STREAM
1 MI N EAST LYNN, Vermilion, IL
Built 1992 Load: 38.9 t ADT: 250
FAP-332 (ILL-1)
GoodOver: STREAM
.75 MI N ALLENDALE, Wabash, IL
Built 1987 Load: 38.9 t ADT: 1,850
TR 179
GoodOver: SOUTH FORK CREEK
0.25 MI E TR-36, Warren, IL
Built 2020 Load: 38.9 t ADT: 50
US 30
GoodOver: LILY CACHE CREEK
0.5 M NW OF I-55, Will, IL
Built 2005 Load: 38.9 t ADT: 24,000
FAS 1887 (UNMARKED
GoodOver: STREAM E CRABORCHARD
E OF CRABORCHARD, Williamson, IL
Built 2005 Load: 38.9 t ADT: 550
TWP ROAD 601
GoodOver: GRASSY CREEK
4 MI E CREAL SPRINGS, Williamson, IL
Built 1986 Load: 38.9 t ADT: 175
TR 556
GoodOver: LAKE CREEK
1.5 MI NW PITTSBURG, Williamson, IL
Built 1987 Load: 38.9 t ADT: 75
Sumner Rd
GoodOver: Sumner Creek
1.5MI W PECATONICA, Winnebago, IL
Built 2017 Load: 38.9 t ADT: 325
ILL 26
GoodOver: SNAG CREEK OVERFLOW
7.47 MI S OF ILL 17, Woodford, IL
Built 1991 Load: 38.9 t ADT: 2,350
IL 57
GoodOver: GHOST HOLLOW CR
JUST N 12TH ST RD, Adams, IL
Built 1931 Load: 39.2 t ADT: 4,600
IL 143
GoodOver: SHOAL CREEK
5.2 MI E OF MADCO LN, Bond, IL
Built 2018 Load: 39.2 t ADT: 1,850
FAS 1246/CH 24
GoodOver: BRANCH OF POND CREEK
2.0 MI S WYANET, Bureau, IL
Built 2021 Load: 39.2 t ADT: 325
ILL 100
GoodOver: MICHAEL CREEK
IN MICHAEL M.P. 5.3, Calhoun, IL
Built 1996 Load: 39.2 t ADT: 1,350
N OTTER CREEK DR
GoodOver: A BR OF STRADDLE CR
2 MI E OF LANARK, Carroll, IL
Built 2021 Load: 39.2 t ADT: 25
ILL 104
GoodOver: LAKE SANGCHRIS
1 MI W TOVEY, Christian, IL
Built 1965 Load: 39.2 t ADT: 2,700
TR 26
GoodOver: W FORK EMBARRAS RV
0.3 MILE E WESTFIELD, Clark, IL
Built 1909 Load: 39.2 t ADT: 35
TR 137/Mapletree R
GoodOver: Bluegrass Creek
4.5 Mi NE Martinsvil, Clark, IL
Built 2018 Load: 39.2 t ADT: 20
US 50
GoodOver: LAKE BRANCH CREEK
5.5MI E OF TRENTON, Clinton, IL
Built 1973 Load: 39.2 t ADT: 6,850
IL 19
GoodOver: POPLAR CREEK
2.3 M W IL 59, Cook, IL
Built 2000 Load: 39.2 t ADT: 11,000
OAKWOOD BLVD
GoodOver: Metra & CN RR
3900 S & 950 E, Cook, IL
Built 2019 Load: 39.2 t ADT: 6,500
I-94 (EB)
GoodOver: W Fk N Br Chicago Rv
2.5 Mi. W. of US 41, Cook, IL
Built 2019 Load: 39.2 t ADT: 23,000
I-94 (WB)
GoodOver: W Fork N Br Chi Rvr
1.6 Mi. E. of I-294, Cook, IL
Built 2019 Load: 39.2 t ADT: 23,000
US 51 (SB)(FAP 322
GoodOver: COON CREEK
.5 MI S OF CLINTON, De Witt, IL
Built 1986 Load: 39.2 t ADT: 6,950
TR 207
GoodOver: FRIENDS CREEK
1.5 MI ESE WELDON, De Witt, IL
Built 2022 Load: 39.2 t ADT: 75
FAS 1671
GoodOver: DITCH
NORTH OF ARCOLA, Douglas, IL
Built 2015 Load: 39.2 t ADT: 2,400
TR 235
GoodOver: Onion Creek
1.2 Mi W. of Grayvil, Edwards, IL
Built 2017 Load: 39.2 t ADT: 35
TR-30
GoodOver: CORWIN CREEK
2 MI E BEECHER CITY, Effingham, IL
Built 1998 Load: 39.2 t ADT: 200
TR-268
GoodOver: LITTLE SALT CREEK
2 MI E HEARTVILLE, Effingham, IL
Built 1990 Load: 39.2 t ADT: 125
FAS-1710 (CH-24)
GoodOver: BIG CREEK
4 MI N MASON, Effingham, IL
Built 1983 Load: 39.2 t ADT: 125
TR 4
GoodOver: MOCCASIN CREEK
3.5 MI S BEECHER CIT, Effingham, IL
Built 2002 Load: 39.2 t ADT: 125
FAS 711
GoodOver: DISMAL CREEK
4.5 MI N FARINA, Fayette, IL
Built 2020 Load: 39.2 t ADT: 800
IL 14
GoodOver: TRIB TO ANDY CREEK
0.1MI W OF URBAIN RD, Franklin, IL
Built 2008 Load: 39.2 t ADT: 5,250
TR-393
GoodOver: Halltown Creek
SE THOMPSONVILLE, Franklin, IL
Built 1922 Load: 39.2 t ADT: 25
CH 39
GoodOver: SUGAR CREEK
1100N - 1100E, Franklin, IL
Built 1992 Load: 39.2 t ADT: 750
TR 174 TABLER RD
GoodOver: TRIB TO AUX SABLE CR
0.34 MI S MINOOKA RD, Grundy, IL
Built 1986 Load: 39.2 t ADT: 675
TR 225
GoodOver: BEAR CREEK
1.5 SW CARTHAGE, Hancock, IL
Built 1985 Load: 39.2 t ADT: 100
TR 323
GoodOver: PARKER RUN
2.5 MI N NEW WINDSOR, Henry, IL
Built 1962 Load: 39.2 t ADT: 75
US 45
GoodOver: LOUIS CREEK
1.68 MI N OF BUCKLEY, Iroquois, IL
Built 2007 Load: 39.2 t ADT: 1,050
FAS 917
GoodOver: BIG MUDDY RIVER
SW 1/4 SEC 15-9-3, Jackson, IL
Built 1976 Load: 39.2 t ADT: 900
CH 2
GoodOver: TRIB. OF CAMP CREEK
1.2 MI N OF CH 7, Jackson, IL
Built 1980 Load: 39.2 t ADT: 150
TR 30-HUSEMAN RD
GoodOver: TRIB TO BRANCH CREEK
1.6 MI W OF IL 4, Jackson, IL
Built 2005 Load: 39.2 t ADT: 75
TR 295
GoodOver: TRIB N EMBARAS RIVER
1.5 MI E STE MARIE, Jasper, IL
Built 2005 Load: 39.2 t ADT: 75
PUMP STATION RD/CH
GoodOver: OTTER CREEK
0.5 MI W FAS 749, Jersey, IL
Built 1935 Load: 39.2 t ADT: 175
TR 97 (GREENVALE R
GoodOver: TRIB TO YELLOW CRK
3.5 MILES S NORA, Jo Daviess, IL
Built 2021 Load: 39.2 t ADT: 50
Showing 23,201-23,250 of 27,743 bridges
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.
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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |