Interstate 10 over Willow Wash
GoodRiverside County, California · 08-RIV-010-37.14 · Structure no. 56 0303
- Built
- 1955
- 70 years old, rebuilt 1969
- Condition
- Good
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 94,000
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 10 over Willow Wash is a concrete continuous slab carrying Interstate 10 over Willow Wash in Riverside County, California. It was built in 1955 and reconstructed in 1969, so it is 70 years old, older 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 94,000 vehicles a day, roughly 24% of them trucks, projected to reach 147,108 by 2044. The structure is 73 ft (22.2 m) long and 165 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 10 over Willow Wash built?
It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1969.
What condition is Interstate 10 over Willow Wash 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 October 2023.
How much traffic does Interstate 10 over Willow Wash carry?
About 94,000 vehicles per day (2016 count), of which roughly 24% are trucks.
How long is Interstate 10 over Willow Wash?
The structure is 73 ft (22.2 m) long with a longest span of 29 ft (8.8 m) and a deck 165 ft wide.
Who owns Interstate 10 over Willow Wash?
It is owned by the State Highway Agency.