Interstate 15 over Mojave River
FairSan Bernardino County, California · 08-SBD-015-43.86-VCTV · Structure no. 54 0483
- Built
- 1958
- 67 years old, rebuilt 2020
- Condition
- Fair
- inspected March 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 575 ft
- 8 main spans
- Daily traffic
- 63,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 over Mojave River is a concrete continuous tee beam carrying Interstate 15 over Mojave River in San Bernardino County, California. It was built in 1958 and reconstructed in 2020, 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 63,000 vehicles a day, roughly 24% of them trucks, projected to reach 80,000 by 2042. The structure is 575 ft (175.3 m) long and 150 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 over Mojave River built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2020.
What condition is Interstate 15 over Mojave River 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 March 2024.
How much traffic does Interstate 15 over Mojave River carry?
About 63,000 vehicles per day (2017 count), of which roughly 24% are trucks.
How long is Interstate 15 over Mojave River?
The structure is 575 ft (175.3 m) long with a longest span of 75 ft (22.9 m) and a deck 150 ft wide.
Who owns Interstate 15 over Mojave River?
It is owned by the State Highway Agency.