Interstate 40 over Marina Road
GoodSan Bernardino County, California · 08-SBD-040-R154.42 · Structure no. 54 0670
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 146 ft
- 3 main spans
- Daily traffic
- 17,300
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 40 over Marina Road is a steel stringer/multi-beam or girder carrying Interstate 40 over Marina Road in San Bernardino County, California. It was built in 1966, so it is 59 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 17,300 vehicles a day, roughly 46% of them trucks, projected to reach 18,900 by 2041. The structure is 146 ft (44.5 m) long and 81 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 40 over Marina Road built?
It was built in 1966, making it 59 years old in 2025.
What condition is Interstate 40 over Marina Road in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does Interstate 40 over Marina Road carry?
About 17,300 vehicles per day (2019 count), of which roughly 46% are trucks.
How long is Interstate 40 over Marina Road?
The structure is 146 ft (44.5 m) long with a longest span of 58 ft (17.7 m) and a deck 81 ft wide.
Who owns Interstate 40 over Marina Road?
It is owned by the State Highway Agency.