Round Mountain RD over Poso Creek
GoodKern County, California · 3.89 MI E Bkfld Glenvl RD · Structure no. 50C0279
- Built
- 1957
- 68 years old
- Condition
- Good
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 139 ft
- 4 main spans
- Daily traffic
- 200
- 2007 count
- Owner
- County
- County Highway Agency
About this bridge
Round Mountain RD over Poso Creek is a concrete continuous slab carrying Round Mountain RD over Poso Creek in Kern County, California. It was built in 1957, so it is 68 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 437 by 2042. The structure is 139 ft (42.4 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 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 Round Mountain RD over Poso Creek built?
It was built in 1957, making it 68 years old in 2025.
What condition is Round Mountain RD over Poso 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 Round Mountain RD over Poso Creek carry?
About 200 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is Round Mountain RD over Poso Creek?
The structure is 139 ft (42.4 m) long with a longest span of 34 ft (10.4 m) and a deck 29 ft wide.
Who owns Round Mountain RD over Poso Creek?
It is owned by the County Highway Agency.