State Route 58 WB over LA Dwp West Aqueduct
FairKern County, California · 09-KER-058-M108.47 · Structure no. 50 0494L
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 267 ft
- 3 main spans
- Daily traffic
- 19,900
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 58 WB over LA Dwp West Aqueduct is a prestressed concrete continuous box beam or girders - multiple carrying State Route 58 WB over LA Dwp West Aqueduct 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 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 19,900 vehicles a day, roughly 35% of them trucks, projected to reach 28,755 by 2040. The structure is 267 ft (81.4 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 58 WB over LA Dwp West Aqueduct built?
It was built in 2003, making it 22 years old in 2025.
What condition is State Route 58 WB over LA Dwp West Aqueduct 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 June 2023.
How much traffic does State Route 58 WB over LA Dwp West Aqueduct carry?
About 19,900 vehicles per day (2018 count), of which roughly 35% are trucks.
How long is State Route 58 WB over LA Dwp West Aqueduct?
The structure is 267 ft (81.4 m) long with a longest span of 106 ft (32.3 m) and a deck 59 ft wide.
Who owns State Route 58 WB over LA Dwp West Aqueduct?
It is owned by the State Highway Agency.