Interstate 15 SB over Mescal Ditch
GoodSan Bernardino County, California · 08-SBD-015-166.84 · Structure no. 54 0303L
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected February 2024
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 6 main spans
- Daily traffic
- 18,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 SB over Mescal Ditch is a concrete continuous slab carrying Interstate 15 SB over Mescal Ditch in San Bernardino County, California. It was built in 1963, so it is 62 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 18,500 vehicles a day, roughly 20% of them trucks, projected to reach 22,200 by 2042. The structure is 117 ft (35.7 m) long and 42 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. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 SB over Mescal Ditch built?
It was built in 1963, making it 62 years old in 2025.
What condition is Interstate 15 SB over Mescal Ditch 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 February 2024.
How much traffic does Interstate 15 SB over Mescal Ditch carry?
About 18,500 vehicles per day (2020 count), of which roughly 20% are trucks.
How long is Interstate 15 SB over Mescal Ditch?
The structure is 117 ft (35.7 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.
Who owns Interstate 15 SB over Mescal Ditch?
It is owned by the State Highway Agency.