Interstate 15 NB over Brown Canyon Wash
FairRiverside County, California · 08-RIV-015-34.72 · Structure no. 56 0559R
- Built
- 1966
- 59 years old, rebuilt 1987
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Concrete
- Length
- 78 ft
- 2 main spans
- Daily traffic
- 77,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 NB over Brown Canyon Wash is a concrete tee beam carrying Interstate 15 NB over Brown Canyon Wash in Riverside County, California. It was built in 1966 and reconstructed in 1987, so it is 59 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 77,000 vehicles a day, projected to reach 107,271 by 2042. The structure is 78 ft (23.8 m) long and 53 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Interstate 15 NB over Brown Canyon Wash built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1987.
What condition is Interstate 15 NB over Brown Canyon Wash 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 January 2024.
How much traffic does Interstate 15 NB over Brown Canyon Wash carry?
About 77,000 vehicles per day (2021 count).
How long is Interstate 15 NB over Brown Canyon Wash?
The structure is 78 ft (23.8 m) long with a longest span of 39 ft (11.9 m) and a deck 53 ft wide.
Who owns Interstate 15 NB over Brown Canyon Wash?
It is owned by the State Highway Agency.