Total Bridges
27,743
Public highway bridges in Illinois
State profile · Near median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Illinois, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
27,743
Public highway bridges in Illinois
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%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
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
NE
IL
MA
MO
Six lowest-condition bridges in Illinois, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: DRAINAGE CANAL
2.2 MI E MEYER, Adams, IL
Over: E FK MAZONRIVER
0.05 MI W CH 16, Grundy, IL
Over: WILSON CREEK
NE-35-T3NR2E, Fulton, IL
Over: KING CREEK
W EDGE OF MINERAL, Bureau, IL
Over: DRAINAGE DITCH
3.5 MI NE DIETERICH, Effingham, IL
Over: BIG CREEK
NE EDGE MT ZION, Macon, IL
Over: LOWER ST. CLAIR ST
200E.-400N. TO 500N., Cook, IL
Over: LOWER LEVEL ILLINOIS
500N-200E TO 100E, Cook, IL
Over: Lower Level S. Water
BTWN MICH & BEAUBIEN, Cook, IL
Over: Metra RR and Wells
1200S 100W TO 300W, Cook, IL
Over: CLARK STREET VIADUCT
1200S 100W, Cook, IL
Over: METRA ELECTRIC RR
500S & 100E, Cook, IL
Over: METRA ELECTRIC RR
500S.& 200E., Cook, IL
Over: METRA ELECTRIC RR
700 S & 200 E, Cook, IL
Over: WALLACE AV
4000 S WALLACE, Cook, IL
Over: METRA & ARMITAGE AVE
5600 W & 2000 N, Cook, IL
Over: LAKE SHORE DRIVE
3100 S 628 E, Cook, IL
Over: Metra RR & Busway
1100S 200E, Cook, IL
Over: LSD. US41
AT 47TH ST., Cook, IL
Over: 85TH ST.
.9M SW SOUTH CHGO AV, Cook, IL
Over: McCORMICK PL. BUSWAY
1900S 300E, Cook, IL
Over: MCCORMICK PL BUSWAY
800S 250E, Cook, IL
Over: IL50 (CICERO AV)
.5M SO OF 55TH, Cook, IL
Over: Grand;IL;Ogden Slip
450N; E of LSD, Cook, IL
Over: Land
450N; E of LSD, Cook, IL
Over: MS-6001 Lw Lv Term
T-1 (Sp 1-14) ORD, Cook, IL
Over: MS-6001 Lw Lv Term
T2(SPANS 15X-24)ORD, Cook, IL
Over: MS-6001 Lw Lv Term
T3 (SPANS 25X-36)ORD, Cook, IL
Over: LOWER LEVEL TERMINAL
T5 (SPANS 1-12)ORD, Cook, IL
Over: BESSIE COLEMAN DR
.41M W OF US 45, Cook, IL
Over: BESSIE COLEMAN DR
.41M W OF US 45, Cook, IL
Over: BESSIE COLEMAN DR
.41M W OF US 45, Cook, IL
Over: AIRPORT ACCESS RD
T1,2,3, TO EB I-190, Cook, IL
Over: MS-6001 T3 Arr Exit
Terminal 3 Exit Ramp, Cook, IL
Over: I-190 CTA/ATS/CVAR
TAXIWAY A OVER I-190, Cook, IL
Over: SERV RD I-190CTAR/W
TAXIWAY BRG B/I-190, Cook, IL
Over: PARKING ENTRANCE RD
ORD ENTRANCE BRIDGE, Cook, IL
Over: CICERO AV
.52M S OF 55TH, Cook, IL
Over: LL PARKING GAR EN
5900 S. & 4800 W, Cook, IL
Over: ARRIVAL EXIT ROAD
MDWY AIRP TO SB CICE, Cook, IL
Over: SOUTH TORRENCE AV
North of 130th St., Cook, IL
Over: EAST 130TH ST
1.5 Mi. E. of I-94, Cook, IL
Over: EAST 130TH ST
.15M W of Torrance, Cook, IL
Over: NFS RR & TORRENCE
.05M S of 130th, Cook, IL
Over: 105TH RAMP 2 WB SKWY
.2M NW OF 106TH, Cook, IL
Over: INDIANPLS BV/US12,20
.9M NW 106TH ST., Cook, IL
Over: LOWER WACKER DRIVE
360 W.-150N.TO 100S., Cook, IL
Over: LOWER WACKER DRIVE
360 W.-100S.TO 400S., Cook, IL
Over: LINCOLN HWY/US 30
.5M W.OFHALSTED ST., Cook, IL
Over: IL 72 (HIGGINS RD)
0.2 MI E IL53/I-290, Cook, IL
Over: I-290
.2M N OF BIESTERFIEL, Cook, IL
Over: I190
.25M W OF US45/12, Cook, IL
Over: 183RD ST.
0.1 E OF WESTERN AV, Cook, IL
Over: PINE NEEDLES DR
0.6M S ARCHER, Cook, IL
Over: I-57
.33M E OF CENTRAL AV, Cook, IL
Over: 71st. St.
.5M W of IL43, Cook, IL
Showing 1,301-1,350 of 27,743 bridges
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.