Interstate 15 SB over BNSF RY UP RR & AMTRAK
GoodSan Bernardino County, California · 08-SBD-015-31.08 · Structure no. 54 0664L
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 124 ft
- 5 main spans
- Daily traffic
- 71,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 SB over BNSF RY UP RR & AMTRAK is a concrete continuous slab carrying Interstate 15 SB over BNSF RY UP RR & AMTRAK 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 71,000 vehicles a day, roughly 14% of them trucks, projected to reach 90,000 by 2042. The structure is 124 ft (37.8 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 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 15 SB over BNSF RY UP RR & AMTRAK built?
It was built in 1966, making it 59 years old in 2025.
What condition is Interstate 15 SB over BNSF RY UP RR & AMTRAK 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 March 2024.
How much traffic does Interstate 15 SB over BNSF RY UP RR & AMTRAK carry?
About 71,000 vehicles per day (2020 count), of which roughly 14% are trucks.
How long is Interstate 15 SB over BNSF RY UP RR & AMTRAK?
The structure is 124 ft (37.8 m) long with a longest span of 31 ft (9.4 m) and a deck 68 ft wide.
Who owns Interstate 15 SB over BNSF RY UP RR & AMTRAK?
It is owned by the State Highway Agency.