Interstate 40 WB over Bismarck Wash
FairSan Bernardino County, California · 08-SBD-040-R57.61L · Structure no. 54 0759L
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 8,150
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 40 WB over Bismarck Wash is a concrete box beam or girders - multiple carrying Interstate 40 WB over Bismarck Wash in San Bernardino County, California. It was built in 1970, so it is 55 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 5 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 8,150 vehicles a day, roughly 43% of them trucks, projected to reach 12,365 by 2046. The structure is 60 ft (18.3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 40 WB over Bismarck Wash built?
It was built in 1970, making it 55 years old in 2025.
What condition is Interstate 40 WB over Bismarck Wash 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 February 2024.
How much traffic does Interstate 40 WB over Bismarck Wash carry?
About 8,150 vehicles per day (2018 count), of which roughly 43% are trucks.
How long is Interstate 40 WB over Bismarck Wash?
The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 41 ft wide.
Who owns Interstate 40 WB over Bismarck Wash?
It is owned by the State Highway Agency.