Viola Road over Four Mile Creek
GoodLatah County, Idaho · 0.2 S. 0.1 W. Viola · Structure no. 000000000029688
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected May 2021
- Type
- Arch - Deck
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 80
- 2023 count
- Owner
- Local
- Other Local Agency
About this bridge
Viola Road over Four Mile Creek is a concrete arch - deck carrying Viola Road over Four Mile Creek in Latah County, Idaho. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 80 vehicles a day, roughly 13% of them trucks, projected to reach 120 by 2039. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Viola Road over Four Mile Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is Viola Road over Four Mile 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 May 2021.
How much traffic does Viola Road over Four Mile Creek carry?
About 80 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Viola Road over Four Mile Creek?
The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.
Who owns Viola Road over Four Mile Creek?
It is owned by the Other Local Agency.