Interstate 15 over Horse Ranch Creek
GoodSan Diego County, California · 11-SD-015-R47.91 · Structure no. 57 0967
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 22,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 15 over Horse Ranch Creek is a concrete continuous culvert carrying Interstate 15 over Horse Ranch Creek in San Diego County, California. It was built in 1981, so it is 44 years old, younger 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 22,000 vehicles a day, roughly 10% of them trucks, projected to reach 30,000 by 2045. The structure is 22 ft (6.7 m) long and 138 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 15 over Horse Ranch Creek built?
It was built in 1981, making it 44 years old in 2025.
What condition is Interstate 15 over Horse Ranch Creek 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 June 2024.
How much traffic does Interstate 15 over Horse Ranch Creek carry?
About 22,000 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is Interstate 15 over Horse Ranch Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 138 ft wide.
Who owns Interstate 15 over Horse Ranch Creek?
It is owned by the State Highway Agency.