Interstate 15 over Rocky Wash
GoodSan Bernardino County, California · 08-SBD-015-R116.82 · Structure no. 54 0239
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 44,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 over Rocky Wash is a concrete culvert carrying Interstate 15 over Rocky Wash in San Bernardino County, California. It was built in 1964, so it is 61 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 44,000 vehicles a day, roughly 20% of them trucks, projected to reach 52,800 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 over Rocky Wash built?
It was built in 1964, making it 61 years old in 2025.
What condition is Interstate 15 over Rocky 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 15 over Rocky Wash carry?
About 44,000 vehicles per day (2019 count), of which roughly 20% are trucks.
How long is Interstate 15 over Rocky Wash?
The structure is 23 ft (7 m) long with a longest span of 21 ft (6.3 m).
Who owns Interstate 15 over Rocky Wash?
It is owned by the State Highway Agency.