Tamarack Avenue over Interstate 5
GoodSan Diego County, California · 11-SD-005-R49.28-CBD · Structure no. 57 0276
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 231 ft
- 2 main spans
- Daily traffic
- 9,470
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Tamarack Avenue over Interstate 5 is a prestressed concrete continuous box beam or girders - multiple carrying Tamarack Avenue over Interstate 5 in San Diego County, California. It was built in 1971, so it is 54 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 9,470 vehicles a day, roughly 2% of them trucks, projected to reach 15,768 by 2045. The structure is 231 ft (70.4 m) long and 76 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 Tamarack Avenue over Interstate 5 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Tamarack Avenue over Interstate 5 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 Tamarack Avenue over Interstate 5 carry?
About 9,470 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Tamarack Avenue over Interstate 5?
The structure is 231 ft (70.4 m) long with a longest span of 116 ft (35.4 m) and a deck 76 ft wide.
Who owns Tamarack Avenue over Interstate 5?
It is owned by the State Highway Agency.