Interstate 15 over Lenwood Wash
FairSan Bernardino County, California · 08-SBD-015-68.48-BSW · Structure no. 54 0511
- Built
- 1958
- 67 years old, rebuilt 2005
- Condition
- Fair
- inspected April 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 302 ft
- 8 main spans
- Daily traffic
- 64,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 over Lenwood Wash is a concrete continuous tee beam carrying Interstate 15 over Lenwood Wash in San Bernardino County, California. It was built in 1958 and reconstructed in 2005, so it is 67 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 64,000 vehicles a day, roughly 25% of them trucks, projected to reach 75,000 by 2042. The structure is 302 ft (92 m) long and 163 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 15 over Lenwood Wash built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2005.
What condition is Interstate 15 over Lenwood 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 April 2024.
How much traffic does Interstate 15 over Lenwood Wash carry?
About 64,000 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is Interstate 15 over Lenwood Wash?
The structure is 302 ft (92 m) long with a longest span of 40 ft (12.2 m) and a deck 163 ft wide.
Who owns Interstate 15 over Lenwood Wash?
It is owned by the State Highway Agency.