Wilson Ranch Road over California Aqueduct
FairSan Bernardino County, California · 1.9 MI S of Palmdale RD · Structure no. 54C0497
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 96 ft
- 1 main span
- Daily traffic
- 63
- 2021 count
- Owner
- Local
- Other Local Agency
About this bridge
Wilson Ranch Road over California Aqueduct is a prestressed concrete stringer/multi-beam or girder carrying Wilson Ranch Road over California Aqueduct in San Bernardino 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 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 63 vehicles a day, roughly 3% of them trucks, projected to reach 74 by 2040. The structure is 96 ft (29.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wilson Ranch Road over California Aqueduct built?
It was built in 1971, making it 54 years old in 2025.
What condition is Wilson Ranch Road over California 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 September 2023.
How much traffic does Wilson Ranch Road over California Aqueduct carry?
About 63 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Wilson Ranch Road over California Aqueduct?
The structure is 96 ft (29.3 m) long with a longest span of 92 ft (28 m) and a deck 32 ft wide.
Who owns Wilson Ranch Road over California Aqueduct?
It is owned by the Other Local Agency and maintained by the County Highway Agency.