I-355 over Lilly Cache Creek
Fair Condition38 years old62,450 vehicles/day
Location
| State | Illinois |
| County | DuPage |
| Location | 1 Mi N. Of I-55 |
| Carries | I-355 |
| Crosses | Lilly Cache Creek |
| Coordinates | 41.71699, -88.03331 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 33.5 ft (10.2 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 400.9 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 62,450 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 022018600000000 |