I-355 over Lilly Cache Creek
FairDuPage County, Illinois · 1 MI N. of I-55 · Structure no. 022018600000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 62,450
- 2023 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
I-355 over Lilly Cache Creek is a concrete culvert carrying I-355 over Lilly Cache Creek in DuPage County, Illinois. It was built in 1988, so it is 37 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 62,450 vehicles a day, roughly 13% of them trucks, projected to reach 52,268 by 2046. The structure is 33 ft (10.2 m) long.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-355 over Lilly Cache Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is I-355 over Lilly Cache Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does I-355 over Lilly Cache Creek carry?
About 62,450 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is I-355 over Lilly Cache Creek?
The structure is 33 ft (10.2 m) long with a longest span of 10 ft (3 m).
Who owns I-355 over Lilly Cache Creek?
It is owned by the State Toll Authority.