Adams Avenue over Interstate 15 & Ramp
GoodSan Diego County, California · 11-SD-015-M5.60-SD · Structure no. 57 0500
- Built
- 1960
- 65 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 268 ft
- 3 main spans
- Daily traffic
- 20,200
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Adams Avenue over Interstate 15 & Ramp is a prestressed concrete stringer/multi-beam or girder carrying Adams Avenue over Interstate 15 & Ramp in San Diego County, California. It was built in 1960, so it is 65 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 20,200 vehicles a day, roughly 2% of them trucks, projected to reach 21,448 by 2041. The structure is 268 ft (81.8 m) long and 74 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 |
|---|---|---|
| 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 Adams Avenue over Interstate 15 & Ramp built?
It was built in 1960, making it 65 years old in 2025.
What condition is Adams Avenue over Interstate 15 & Ramp 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 2023.
How much traffic does Adams Avenue over Interstate 15 & Ramp carry?
About 20,200 vehicles per day (2017 count), of which roughly 2% are trucks.
How long is Adams Avenue over Interstate 15 & Ramp?
The structure is 268 ft (81.8 m) long with a longest span of 100 ft (30.5 m) and a deck 74 ft wide.
Who owns Adams Avenue over Interstate 15 & Ramp?
It is owned by the State Highway Agency.