State Route 58 WB over Union Pacific RR (up Rr)
GoodKern County, California · 09-KER-058-M111.78 · Structure no. 50 0495L
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 253 ft
- 3 main spans
- Daily traffic
- 14,500
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 58 WB over Union Pacific RR (up Rr) is a prestressed concrete continuous box beam or girders - multiple carrying State Route 58 WB over Union Pacific RR (up Rr) in Kern County, California. It was built in 2003, so it is 22 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 14,500 vehicles a day, roughly 37% of them trucks, projected to reach 20,953 by 2040. The structure is 253 ft (77 m) long and 42 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 58 WB over Union Pacific RR (up Rr) built?
It was built in 2003, making it 22 years old in 2025.
What condition is State Route 58 WB over Union Pacific RR (up Rr) 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 WB over Union Pacific RR (up Rr) carry?
About 14,500 vehicles per day (2018 count), of which roughly 37% are trucks.
How long is State Route 58 WB over Union Pacific RR (up Rr)?
The structure is 253 ft (77 m) long with a longest span of 101 ft (30.8 m) and a deck 42 ft wide.
Who owns State Route 58 WB over Union Pacific RR (up Rr)?
It is owned by the State Highway Agency.