West Lilac Road over Route 15
GoodSan Diego County, California · 11-SD-015-R44.24 · Structure no. 57 0870
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 695 ft
- 3 main spans
- Daily traffic
- 1,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
West Lilac Road over Route 15 is a prestressed concrete continuous box beam or girders - multiple carrying West Lilac Road over Route 15 in San Diego County, California. It was built in 1978, so it is 47 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 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,028 by 2045. The structure is 695 ft (211.8 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 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 West Lilac Road over Route 15 built?
It was built in 1978, making it 47 years old in 2025.
What condition is West Lilac Road over Route 15 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 West Lilac Road over Route 15 carry?
About 1,000 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is West Lilac Road over Route 15?
The structure is 695 ft (211.8 m) long with a longest span of 235 ft (71.6 m) and a deck 44 ft wide.
Who owns West Lilac Road over Route 15?
It is owned by the State Highway Agency.