State Route 58 over Boron Ave Drain
GoodKern County, California · 09-KER-058-R142.52 · Structure no. 50 0435
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected June 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 56 ft
- 9 main spans
- Daily traffic
- 31,100
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 58 over Boron Ave Drain is a concrete continuous culvert carrying State Route 58 over Boron Ave Drain in Kern County, California. It was built in 1971, so it is 54 years old, younger 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 31,100 vehicles a day, roughly 37% of them trucks, projected to reach 44,940 by 2040. The structure is 56 ft (17.1 m) long. 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 58 over Boron Ave Drain built?
It was built in 1971, making it 54 years old in 2025.
What condition is State Route 58 over Boron Ave Drain 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 June 2023.
How much traffic does State Route 58 over Boron Ave Drain carry?
About 31,100 vehicles per day (2018 count), of which roughly 37% are trucks.
How long is State Route 58 over Boron Ave Drain?
The structure is 56 ft (17.1 m) long with a longest span of 6 ft (1.8 m).
Who owns State Route 58 over Boron Ave Drain?
It is owned by the State Highway Agency.