39N50 over Ash Creek
GoodModoc County, California · 3 MI Past Dan Ryan Place · Structure no. 050954000003006
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
39N50 over Ash Creek is a concrete slab carrying 39N50 over Ash Creek in Modoc County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 112 ft (34.1 m) long and 14 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 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 39N50 over Ash Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is 39N50 over Ash 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 August 2023.
How much traffic does 39N50 over Ash Creek carry?
About 50 vehicles per day (latest count).
How long is 39N50 over Ash Creek?
The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 14 ft wide.
Who owns 39N50 over Ash Creek?
It is owned by the U.S. Forest Service.