Ill 15 over Trib to Willow Creek
GoodWashington County, Illinois · 2.6M West of Ill 127 · Structure no. 095200600000000
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected March 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 2,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 15 over Trib to Willow Creek is a concrete continuous culvert carrying Ill 15 over Trib to Willow Creek in Washington County, Illinois. It was built in 1971, so it is 54 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,200 vehicles a day, roughly 15% of them trucks, projected to reach 2,541 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 15 over Trib to Willow Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Ill 15 over Trib to Willow Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does Ill 15 over Trib to Willow Creek carry?
About 2,200 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is Ill 15 over Trib to Willow Creek?
The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m).
Who owns Ill 15 over Trib to Willow Creek?
It is owned by the State Highway Agency.