Mountain House RD over South Fork Oregon Creek
GoodSierra County, California · 9.94 MI South of RTE 49 · Structure no. 13C0032
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected August 2021
- Type
- Slab
- Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 100
- 1998 count
- Owner
- County
- County Highway Agency
About this bridge
Mountain House RD over South Fork Oregon Creek is a concrete slab carrying Mountain House RD over South Fork Oregon Creek in Sierra County, California. It was built in 1966, so it is 59 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2043. The structure is 34 ft (10.5 m) long and 24 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mountain House RD over South Fork Oregon Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Mountain House RD over South Fork Oregon 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 2021.
How much traffic does Mountain House RD over South Fork Oregon Creek carry?
About 100 vehicles per day (1998 count), of which roughly 10% are trucks.
How long is Mountain House RD over South Fork Oregon Creek?
The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10.2 m) and a deck 24 ft wide.
Who owns Mountain House RD over South Fork Oregon Creek?
It is owned by the County Highway Agency.