Interstate 15 SB over Ivanpah Ditch
GoodSan Bernardino County, California · 08-SBD-015-179.39 · Structure no. 54 0316L
- Built
- 1963
- 62 years old, rebuilt 1969
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 92 ft
- 5 main spans
- Daily traffic
- 1
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 SB over Ivanpah Ditch is a concrete continuous slab carrying Interstate 15 SB over Ivanpah Ditch in San Bernardino County, California. It was built in 1963 and reconstructed in 1969, so it is 62 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 1 vehicles a day, roughly 20% of them trucks, projected to reach 2 by 2042. The structure is 92 ft (28 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 15 SB over Ivanpah Ditch built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1969.
What condition is Interstate 15 SB over Ivanpah Ditch 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 March 2024.
How much traffic does Interstate 15 SB over Ivanpah Ditch carry?
About 1 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Interstate 15 SB over Ivanpah Ditch?
The structure is 92 ft (28 m) long with a longest span of 20 ft (6.1 m) and a deck 53 ft wide.
Who owns Interstate 15 SB over Ivanpah Ditch?
It is owned by the State Highway Agency.