Natl Trails HWY over Drainage Ditch
FairSan Bernardino County, California · 0.6KM SE of N Iwo Jima ST · Structure no. 2CAS203
- Built
- 1943
- 82 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 56 ft
- 5 main spans
- Daily traffic
- 1,000
- 2015 count
- Owner
- Federal
- Navy / Marines
About this bridge
Natl Trails HWY over Drainage Ditch is a concrete culvert carrying Natl Trails HWY over Drainage Ditch in San Bernardino County, California. It was built in 1943, so it is 82 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 6 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2037. The structure is 56 ft (17.2 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Natl Trails HWY over Drainage Ditch built?
It was built in 1943, making it 82 years old in 2025.
What condition is Natl Trails HWY over Drainage Ditch 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 August 2023.
How much traffic does Natl Trails HWY over Drainage Ditch carry?
About 1,000 vehicles per day (2015 count), of which roughly 10% are trucks.
How long is Natl Trails HWY over Drainage Ditch?
The structure is 56 ft (17.2 m) long with a longest span of 10 ft (3.1 m) and a deck 40 ft wide.
Who owns Natl Trails HWY over Drainage Ditch?
It is owned by the Navy / Marines.