Interstate 10 EB over Etiwanda Wash
FairSan Bernardino County, California · 08-SBD-010-10.99-ONT · Structure no. 54 0378R
- Built
- 1939
- 86 years old, rebuilt 1966
- Condition
- Fair
- inspected May 2023
- Type
- Frame
- Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 117,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 10 EB over Etiwanda Wash is a concrete frame carrying Interstate 10 EB over Etiwanda Wash in San Bernardino County, California. It was built in 1939 and reconstructed in 1966, so it is 86 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 117,000 vehicles a day, roughly 11% of them trucks, projected to reach 150,000 by 2043. The structure is 41 ft (12.5 m) long and 111 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 10 EB over Etiwanda Wash built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1966.
What condition is Interstate 10 EB over Etiwanda 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 May 2023.
How much traffic does Interstate 10 EB over Etiwanda Wash carry?
About 117,000 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is Interstate 10 EB over Etiwanda Wash?
The structure is 41 ft (12.5 m) long with a longest span of 39 ft (11.9 m) and a deck 111 ft wide.
Who owns Interstate 10 EB over Etiwanda Wash?
It is owned by the State Highway Agency.