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: FEEHANVILLE DITCH
0.68M.N.OF CENTRAL, Cook, IL
Over: AIR
BETW LOGAN & WESTERN, Cook, IL
Over: ADDISON CREEK
0.3 M W US 45, Cook, IL
Over: Field Museum Concour
1140 S Lake Shore Dr, Cook, IL
Over: 17TH ST CONCOURSE
400 E 1700 S, Cook, IL
Over: STONEY CREEK
AT PULASKI RD., Cook, IL
Over: E BRANCH POPLAR CK
0.5 M S OF IL 72, Cook, IL
Over: BUTTERFIELD CREEK
0.5 M S VOLLMER RD, Cook, IL
Over: NAVAJO CREEK
0.1 M E OF IL 43, Cook, IL
Over: CAL UNION DITCH
0.2 M S US 6, Cook, IL
Over: STONY CREEK
0.3 M N 111TH P19, Cook, IL
Over: Land and Salt Creek
0.56MI W Roselle Rd, Cook, IL
Over: Cherry Creek
0.5 MI E. of Kedzie Ave, Cook, IL
Over: MCDONALD CREEK
0.7 M N PALATINE P25, Cook, IL
Over: ADDISON CR
0.2 M S ROOSEVELTP20, Cook, IL
Over: Midlothian Creek
0.4M.S.OF 135TH ST., Cook, IL
Over: WHEELING DRN DITCH
0.1M E WOLF ROAD, Cook, IL
Over: N. BR CHICAGO RIVER
0.4 M E IL43 P14, Cook, IL
Over: REICHART CREEK
0.2M.W.OF IL-394, Cook, IL
Over: RELOC.FLAG CREEK
0.2M.N.OF I-55, Cook, IL
Over: TINLEY CREEK
0.3 M W OF RIDGELAND, Cook, IL
Over: S BR CHICAGO RIVER
2605 S & 1600 W, Cook, IL
Over: S BR CHICAGO RIVER
500 W & 2021 S, Cook, IL
Over: S BR CHICAGO RIVER
2725 S DAMEN AV, Cook, IL
Over: S BR CHICAGO RIV
378 W & 100 S, Cook, IL
Over: MAIN BR CHICAGO RIV
200 W & 309 N, Cook, IL
Over: N BR CHICAGO RIVER
3600 N & 2700 W, Cook, IL
Over: SALT CREEK
0.6 E 53/2.4 N 62P18, Cook, IL
Over: AUBURN PARK LAGOON
7825S 500W, Cook, IL
Over: AUBURN PARK LAGOON
7750S 430W, Cook, IL
Over: BNSF RAILROAD TRACKS
3800S 4000W, Cook, IL
Over: RR Track&Parking Lot
3900 S & 4000 W, Cook, IL
Over: UNUSED LAND
200W.& 1200S., Cook, IL
Over: N BR CANAL
1047 N Halsted, Cook, IL
Over: PARKING GARAGE
350E-400NTO500N, Cook, IL
Over: SERVICE ROAD
400W & 1000S, Cook, IL
Over: W Br. of Salt Creek
.1 M W Plum Grove Rd, Cook, IL
Over: LINCOLN PK LAGOON
2400 N. & 100 E., Cook, IL
Over: Stoney Creek
0.1 MI N 127TH ST, Cook, IL
Over: SALT CREEK
2 E 53/ .25 N 58 P5C, Cook, IL
Over: CHGO.SHORT LINE RR
0.13 M SE COMM AV, Cook, IL
Over: SHARED USE PATH
1716 N 78 W, Cook, IL
Over: Parking Area
200W.& 340N., Cook, IL
Over: AUBURN PARK LAGOON
7850S 500W, Cook, IL
Over: AUBURN PARK LAGOON
7800S 430W, Cook, IL
Over: STREET CAR TUNNEL
100N&500W.TO540 W., Cook, IL
Over: LAND
1200S 30W TO 100W, Cook, IL
Over: PLYMOUTH COURT
1200S 30W, Cook, IL
Over: PEDESTRIAN UNDERPASS
300S 3700W, Cook, IL
Over: N BRCH CHICAGO RIVER
2600 N., 2000 W., Cook, IL
Showing 7,651-7,700 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.