Basin Road over Interstate 15
FairSan Bernardino County, California · 08-SBD-015-R120.43 · Structure no. 54 0383
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 204 ft
- 4 main spans
- Daily traffic
- 100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Basin Road over Interstate 15 is a steel stringer/multi-beam or girder carrying Basin Road over Interstate 15 in San Bernardino County, California. It was built in 1964, so it is 61 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 154 by 2045. The structure is 204 ft (62.2 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Basin Road over Interstate 15 built?
It was built in 1964, making it 61 years old in 2025.
What condition is Basin Road over Interstate 15 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 November 2023.
How much traffic does Basin Road over Interstate 15 carry?
About 100 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Basin Road over Interstate 15?
The structure is 204 ft (62.2 m) long with a longest span of 69 ft (21 m) and a deck 34 ft wide.
Who owns Basin Road over Interstate 15?
It is owned by the State Highway Agency.