Interstate 10 WB over Union Ditch
FairRiverside County, California · 08-RIV-010-R97.81 · Structure no. 56 0109L
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 99 ft
- 3 main spans
- Daily traffic
- 23,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 10 WB over Union Ditch is a concrete continuous slab carrying Interstate 10 WB over Union Ditch in Riverside County, California. It was built in 1967, so it is 58 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 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 23,000 vehicles a day, roughly 40% of them trucks, projected to reach 38,942 by 2040. The structure is 99 ft (30.2 m) long and 41 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 10 WB over Union Ditch built?
It was built in 1967, making it 58 years old in 2025.
What condition is Interstate 10 WB over Union Ditch 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 April 2023.
How much traffic does Interstate 10 WB over Union Ditch carry?
About 23,000 vehicles per day (2014 count), of which roughly 40% are trucks.
How long is Interstate 10 WB over Union Ditch?
The structure is 99 ft (30.2 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.
Who owns Interstate 10 WB over Union Ditch?
It is owned by the State Highway Agency.