US 20 over Willow Creek
GoodCamas County, Idaho · 12.4 E. Fairfield · Structure no. 000000000034440
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 175 ft
- 1 main span
- Daily traffic
- 2,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 20 over Willow Creek is a steel stringer/multi-beam or girder carrying US 20 over Willow Creek in Camas County, Idaho. It was built in 2019, so it is 6 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 2,200 vehicles a day, roughly 11% of them trucks, projected to reach 3,300 by 2042. The structure is 175 ft (53.3 m) long and 44 ft wide. If it were closed, the detour would be 60.3 mi (97 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 20 over Willow Creek built?
It was built in 2019, making it 6 years old in 2025.
What condition is US 20 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 June 2023.
How much traffic does US 20 over Willow Creek carry?
About 2,200 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 20 over Willow Creek?
The structure is 175 ft (53.3 m) long with a longest span of 170 ft (51.8 m) and a deck 44 ft wide.
Who owns US 20 over Willow Creek?
It is owned by the State Highway Agency.