N 85th E over Willow Creek
GoodBonneville County, Idaho · 3.1 S. 5.0 W. Ririe · Structure no. 000000000031176
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected November 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 54 ft
- 1 main span
- Daily traffic
- 170
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
N 85th E over Willow Creek is a prestressed concrete tee beam carrying N 85th E over Willow Creek in Bonneville County, Idaho. It was built in 1993, so it is 32 years old, younger than the Idaho 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 170 vehicles a day, roughly 55% of them trucks, projected to reach 255 by 2042. The structure is 54 ft (16.5 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N 85th E over Willow Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is N 85th E over 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 November 2024.
How much traffic does N 85th E over Willow Creek carry?
About 170 vehicles per day (2023 count), of which roughly 55% are trucks.
How long is N 85th E over Willow Creek?
The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.8 m) and a deck 39 ft wide.
Who owns N 85th E over Willow Creek?
It is owned by the County Highway Agency.