Oswell ST over ST RTE 178
GoodKern County, California · 06-KER-178-R5.60-BKD · Structure no. 50 0377
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 218 ft
- 2 main spans
- Daily traffic
- 29,873
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Oswell ST over ST RTE 178 is a prestressed concrete continuous box beam or girders - multiple carrying Oswell ST over ST RTE 178 in Kern 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 29,873 vehicles a day, roughly 5% of them trucks, projected to reach 33,040 by 2044. The structure is 218 ft (66.4 m) long and 104 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Oswell ST over ST RTE 178 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Oswell ST over ST RTE 178 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 Oswell ST over ST RTE 178 carry?
About 29,873 vehicles per day (2015 count), of which roughly 5% are trucks.
How long is Oswell ST over ST RTE 178?
The structure is 218 ft (66.4 m) long with a longest span of 112 ft (34.1 m) and a deck 104 ft wide.
Who owns Oswell ST over ST RTE 178?
It is owned by the State Highway Agency.