Interstate 40 over Tenth Ditch
GoodSan Bernardino County, California · 08-SBD-040-R12.43 · Structure no. 54 1359L
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Steel
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 8,500
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 40 over Tenth Ditch is a steel culvert carrying Interstate 40 over Tenth Ditch in San Bernardino County, California. It was built in 1968, so it is 57 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 8,500 vehicles a day, roughly 40% of them trucks, projected to reach 10,500 by 2046. The structure is 23 ft (7 m) long. 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 |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 40 over Tenth Ditch built?
It was built in 1968, making it 57 years old in 2025.
What condition is Interstate 40 over Tenth 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 October 2024.
How much traffic does Interstate 40 over Tenth Ditch carry?
About 8,500 vehicles per day (2024 count), of which roughly 40% are trucks.
How long is Interstate 40 over Tenth Ditch?
The structure is 23 ft (7 m) long with a longest span of 10 ft (2.9 m).
Who owns Interstate 40 over Tenth Ditch?
It is owned by the State Highway Agency.