Interstate 40 over Macdonald Wash
PoorSan Bernardino County, California · 08-SBD-040-R94.37 · Structure no. 54 1277R
- Built
- 2007
- 18 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 13,600
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 40 over Macdonald Wash is a prestressed concrete stringer/multi-beam or girder carrying Interstate 40 over Macdonald Wash in San Bernardino County, California. It was built in 2007, so it is 18 years old, younger 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 13,600 vehicles a day, roughly 40% of them trucks, projected to reach 16,820 by 2045. The structure is 100 ft (30.5 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 40 over Macdonald Wash built?
It was built in 2007, making it 18 years old in 2025.
What condition is Interstate 40 over Macdonald 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 January 2025.
How much traffic does Interstate 40 over Macdonald Wash carry?
About 13,600 vehicles per day (2016 count), of which roughly 40% are trucks.
How long is Interstate 40 over Macdonald Wash?
The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.
Who owns Interstate 40 over Macdonald Wash?
It is owned by the State Highway Agency.