Sierra Way over South Fork Kern River
FairKern County, California · 1.0 MI N/O SH 178 · Structure no. 50C0120
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected November 2024
- Type
- Slab
- Concrete Continuous
- Length
- 120 ft
- 5 main spans
- Daily traffic
- 1,060
- 2007 count
- Owner
- County
- County Highway Agency
About this bridge
Sierra Way over South Fork Kern River is a concrete continuous slab carrying Sierra Way over South Fork Kern River in Kern County, California. It was built in 1958, so it is 67 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,060 vehicles a day, roughly 5% of them trucks, projected to reach 1,995 by 2046. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 34.2 mi (55 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sierra Way over South Fork Kern River built?
It was built in 1958, making it 67 years old in 2025.
What condition is Sierra Way over South Fork Kern River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Sierra Way over South Fork Kern River carry?
About 1,060 vehicles per day (2007 count), of which roughly 5% are trucks.
How long is Sierra Way over South Fork Kern River?
The structure is 120 ft (36.6 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.
Who owns Sierra Way over South Fork Kern River?
It is owned by the County Highway Agency.