SR-58 WB On-Ramp over LA Dwp East Aqueduct
FairKern County, California · 09-KER-058-M108.60 · Structure no. 50 0497K
- Built
- 2003
- 22 years old
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 259 ft
- 3 main spans
- Daily traffic
- 3,100
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
SR-58 WB On-Ramp over LA Dwp East Aqueduct is a prestressed concrete continuous box beam or girders - multiple carrying SR-58 WB On-Ramp over LA Dwp East 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 3,100 vehicles a day, roughly 35% of them trucks, projected to reach 4,479 by 2040. The structure is 259 ft (79 m) long and 27 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 SR-58 WB On-Ramp over LA Dwp East Aqueduct built?
It was built in 2003, making it 22 years old in 2025.
What condition is SR-58 WB On-Ramp over LA Dwp East 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 SR-58 WB On-Ramp over LA Dwp East Aqueduct carry?
About 3,100 vehicles per day (2018 count), of which roughly 35% are trucks.
How long is SR-58 WB On-Ramp over LA Dwp East Aqueduct?
The structure is 259 ft (79 m) long with a longest span of 106 ft (32.3 m) and a deck 27 ft wide.
Who owns SR-58 WB On-Ramp over LA Dwp East Aqueduct?
It is owned by the State Highway Agency.