Interstate 10 WB over Happy Gulch
FairRiverside County, California · 08-RIV-010-R75.67 · Structure no. 56 0209L
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 72 ft
- 4 main spans
- Daily traffic
- 9,150
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 10 WB over Happy Gulch is a concrete continuous slab carrying Interstate 10 WB over Happy Gulch in Riverside County, California. It was built in 1965, so it is 60 years old, older 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 6 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 9,150 vehicles a day, roughly 39% of them trucks, projected to reach 21,094 by 2045. The structure is 72 ft (21.9 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 WB over Happy Gulch built?
It was built in 1965, making it 60 years old in 2025.
What condition is Interstate 10 WB over Happy Gulch 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 October 2024.
How much traffic does Interstate 10 WB over Happy Gulch carry?
About 9,150 vehicles per day (2016 count), of which roughly 39% are trucks.
How long is Interstate 10 WB over Happy Gulch?
The structure is 72 ft (21.9 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.
Who owns Interstate 10 WB over Happy Gulch?
It is owned by the State Highway Agency.