Interstate 15 SB over Oat Ditch
GoodSan Bernardino County, California · 08-SBD-015-R130.58 · Structure no. 54 0270L
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 100 ft
- 5 main spans
- Daily traffic
- 23,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 SB over Oat Ditch is a concrete continuous slab carrying Interstate 15 SB over Oat Ditch in San Bernardino County, California. It was built in 1965, so it is 60 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 23,500 vehicles a day, roughly 20% of them trucks, projected to reach 25,202 by 2043. The structure is 100 ft (30.4 m) long and 41 ft wide. If it were closed, the detour would be 61.5 mi (99 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 SB over Oat Ditch built?
It was built in 1965, making it 60 years old in 2025.
What condition is Interstate 15 SB over Oat 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 November 2023.
How much traffic does Interstate 15 SB over Oat Ditch carry?
About 23,500 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is Interstate 15 SB over Oat Ditch?
The structure is 100 ft (30.4 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.
Who owns Interstate 15 SB over Oat Ditch?
It is owned by the State Highway Agency.