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
ST. CLAIR ST
UnknownOver: LOWER ST. CLAIR ST
200E.-400N. TO 500N., Cook, IL
Built 1992 ADT: 8,150
ILLINOIS ST
UnknownOver: LOWER LEVEL ILLINOIS
500N-200E TO 100E, Cook, IL
Built 1992 ADT: 10,000
South Water St
UnknownOver: Lower Level S. Water
BTWN MICH & BEAUBIEN, Cook, IL
Built 1971 ADT: 375
ROOSEVELT ROAD
UnknownOver: Metra RR and Wells
1200S 100W TO 300W, Cook, IL
Built 1995 ADT: 26,800
ROOSEVELT ROAD
UnknownOver: CLARK STREET VIADUCT
1200S 100W, Cook, IL
Built 1995 ADT: 23,000
CONGRESS PARKWAY(S
UnknownOver: METRA ELECTRIC RR
500S & 100E, Cook, IL
Built 1995 ADT: 1,000
CONGRESS PARKWAY(N
UnknownOver: METRA ELECTRIC RR
500S.& 200E., Cook, IL
Built 1995 ADT: 1,000
BALBO DRIVE
UnknownOver: METRA ELECTRIC RR
700 S & 200 E, Cook, IL
Built 1996 ADT: 1,000
NORFOLK SO RR
UnknownOver: WALLACE AV
4000 S WALLACE, Cook, IL
Built 1920 ADT: 3,050
N. CENTRAL AVE
UnknownOver: METRA & ARMITAGE AVE
5600 W & 2000 N, Cook, IL
Built 2004 ADT: 75
31ST STREET
UnknownOver: LAKE SHORE DRIVE
3100 S 628 E, Cook, IL
Built 2003 ADT: 118,000
Ped Walkway @11th
UnknownOver: Metra RR & Busway
1100S 200E, Cook, IL
Built 2003 ADT: 1,000
PEDESTRAN OVERPASS
UnknownOver: LSD. US41
AT 47TH ST., Cook, IL
Built 2005 ADT: 109,600
SKYWAY 84TH ST RAM
UnknownOver: 85TH ST.
.9M SW SOUTH CHGO AV, Cook, IL
Built 2004 ADT: 825
CN/IC RAILROAD
UnknownOver: McCORMICK PL. BUSWAY
1900S 300E, Cook, IL
Built 2004 ADT: 1,000
METRA/IC RAILROAD
UnknownOver: MCCORMICK PL BUSWAY
800S 250E, Cook, IL
Built 2004 ADT: 1,000
MIDWAY TERM. RAMPS
UnknownOver: IL50 (CICERO AV)
.5M SO OF 55TH, Cook, IL
Built 1998 ADT: 48,700
Lakefront Trail
UnknownOver: Grand;IL;Ogden Slip
450N; E of LSD, Cook, IL
Built 2017 ADT: 12,400
Lakefront Trail Ra
UnknownOver: Land
450N; E of LSD, Cook, IL
Built 2017 ADT: 6,100
MS-6001 Up Lv Term
UnknownOver: MS-6001 Lw Lv Term
T-1 (Sp 1-14) ORD, Cook, IL
Built 1960 ADT: 17,900
MS-6001 Up Lv Term
UnknownOver: MS-6001 Lw Lv Term
T2(SPANS 15X-24)ORD, Cook, IL
Built 1960 ADT: 17,900
MS-6001 Up Lv Term
UnknownOver: MS-6001 Lw Lv Term
T3 (SPANS 25X-36)ORD, Cook, IL
Built 1960 ADT: 17,900
UPPER LEVEL TERMIN
UnknownOver: LOWER LEVEL TERMINAL
T5 (SPANS 1-12)ORD, Cook, IL
Built 1993 ADT: 5,900
Westbound I-190
UnknownOver: BESSIE COLEMAN DR
.41M W OF US 45, Cook, IL
Built 1969 ADT: 15,100
EASTBOUND I-190
UnknownOver: BESSIE COLEMAN DR
.41M W OF US 45, Cook, IL
Built 1994 ADT: 15,100
WB I-190 EXIT RMP
UnknownOver: BESSIE COLEMAN DR
.41M W OF US 45, Cook, IL
Built 1991 ADT: 15,100
MAIN TRMNAL 1,2,3
UnknownOver: AIRPORT ACCESS RD
T1,2,3, TO EB I-190, Cook, IL
Built 1986 ADT: 1,000
MS-6001 Depart Ram
UnknownOver: MS-6001 T3 Arr Exit
Terminal 3 Exit Ramp, Cook, IL
Built 1989 ADT: 17,900
AIRCRAFT BRIDGE
UnknownOver: I-190 CTA/ATS/CVAR
TAXIWAY A OVER I-190, Cook, IL
Built 1966 ADT: 83,800
AIRCRAFT BRIDGE
UnknownOver: SERV RD I-190CTAR/W
TAXIWAY BRG B/I-190, Cook, IL
Built 1989 ADT: 83,800
ACCESS RD CIRCULAR
UnknownOver: PARKING ENTRANCE RD
ORD ENTRANCE BRIDGE, Cook, IL
Built 1961 ADT: 86,800
SB CICERO EXIT RAM
UnknownOver: CICERO AV
.52M S OF 55TH, Cook, IL
Built 1998 ADT: 8,400
ENT RAMP TO S ENT
UnknownOver: LL PARKING GAR EN
5900 S. & 4800 W, Cook, IL
Built 1998 ADT: 750
MDWY EXIT RAMP D
UnknownOver: ARRIVAL EXIT ROAD
MDWY AIRP TO SB CICE, Cook, IL
Built 1998 ADT: 4,300
PEDESTRIAN BRIDGE
UnknownOver: SOUTH TORRENCE AV
North of 130th St., Cook, IL
Built 2014 ADT: 14,500
NS RAILROAD
UnknownOver: EAST 130TH ST
1.5 Mi. E. of I-94, Cook, IL
Built 2010 ADT: 23,400
FORD ACCESS RD
UnknownOver: EAST 130TH ST
.15M W of Torrance, Cook, IL
Built 2015 ADT: 23,400
CHG SO SHORE&SO BE
UnknownOver: NFS RR & TORRENCE
.05M S of 130th, Cook, IL
Built 2010 ADT: 14,500
I90 CHGO SKYWAY
UnknownOver: 105TH RAMP 2 WB SKWY
.2M NW OF 106TH, Cook, IL
Built 2004 ADT: 5,000
I90 CHGO SKYWAYEB
UnknownOver: INDIANPLS BV/US12,20
.9M NW 106TH ST., Cook, IL
Built 2004 ADT: 16,300
WACKER DRIVE
UnknownOver: LOWER WACKER DRIVE
360 W.-150N.TO 100S., Cook, IL
Built 2011 ADT: 25,100
WACKER DRIVE
UnknownOver: LOWER WACKER DRIVE
360 W.-100S.TO 400S., Cook, IL
Built 2012 ADT: 25,100
PEDESTRIAN OVRPASS
UnknownOver: LINCOLN HWY/US 30
.5M W.OFHALSTED ST., Cook, IL
Built 1986 ADT: 22,200
BUSSE WOODS PED TR
UnknownOver: IL 72 (HIGGINS RD)
0.2 MI E IL53/I-290, Cook, IL
ADT: 26,600
BIKE PATH
UnknownOver: I-290
.2M N OF BIESTERFIEL, Cook, IL
Built 2001 ADT: 7,700
AIRPRT TRANS SYS(A
UnknownOver: I190
.25M W OF US45/12, Cook, IL
Built 2012 ADT: 88,300
IC R.R.
UnknownOver: 183RD ST.
0.1 E OF WESTERN AV, Cook, IL
Built 1986 ADT: 21,900
FAU-1024 (DERBY RD
UnknownOver: PINE NEEDLES DR
0.6M S ARCHER, Cook, IL
Built 2003 ADT: 1,000
VILLAGE COMMONS
UnknownOver: I-57
.33M E OF CENTRAL AV, Cook, IL
Built 1999 ADT: 79,300
CSX RR
UnknownOver: 71st. St.
.5M W of IL43, Cook, IL
Built 2013 ADT: 8,000
Showing 1,301-1,350 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 |