Interstate 40 over National Trails HWY
FairSan Bernardino County, California · 08-SBD-040-R18.43 · Structure no. 54 0708R
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 195 ft
- 3 main spans
- Daily traffic
- 9,800
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 40 over National Trails HWY is a concrete continuous box beam or girders - multiple carrying Interstate 40 over National Trails HWY 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 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 9,800 vehicles a day, roughly 40% of them trucks, projected to reach 13,919 by 2046. The structure is 195 ft (59.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 40 over National Trails HWY built?
It was built in 1968, making it 57 years old in 2025.
What condition is Interstate 40 over National Trails HWY 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 November 2024.
How much traffic does Interstate 40 over National Trails HWY carry?
About 9,800 vehicles per day (2018 count), of which roughly 40% are trucks.
How long is Interstate 40 over National Trails HWY?
The structure is 195 ft (59.4 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.
Who owns Interstate 40 over National Trails HWY?
It is owned by the State Highway Agency.