Interstate 40 over Black Cyn Wash
PoorSan Bernardino County, California · 08-SBD-040-R102.18 · Structure no. 54 0801R
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 182 ft
- 9 main spans
- Daily traffic
- 7,500
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 40 over Black Cyn Wash is a concrete continuous slab carrying Interstate 40 over Black Cyn 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 7,500 vehicles a day, roughly 42% of them trucks, projected to reach 14,321 by 2047. The structure is 182 ft (55.5 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 40 over Black Cyn Wash built?
It was built in 1970, making it 55 years old in 2025.
What condition is Interstate 40 over Black Cyn Wash in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does Interstate 40 over Black Cyn Wash carry?
About 7,500 vehicles per day (2018 count), of which roughly 42% are trucks.
How long is Interstate 40 over Black Cyn Wash?
The structure is 182 ft (55.5 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.
Who owns Interstate 40 over Black Cyn Wash?
It is owned by the State Highway Agency.