Balboa Ave over Interstate 805 & Ramps
FairSan Diego County, California · 11-SD-805-21.65-SD · Structure no. 57 0683
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 344 ft
- 2 main spans
- Daily traffic
- 56,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Balboa Ave over Interstate 805 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying Balboa Ave over Interstate 805 & Ramps in San Diego County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 56,000 vehicles a day, roughly 1% of them trucks, projected to reach 73,158 by 2046. The structure is 344 ft (104.9 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Balboa Ave over Interstate 805 & Ramps built?
It was built in 1972, making it 53 years old in 2025.
What condition is Balboa Ave over Interstate 805 & Ramps in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does Balboa Ave over Interstate 805 & Ramps carry?
About 56,000 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Balboa Ave over Interstate 805 & Ramps?
The structure is 344 ft (104.9 m) long with a longest span of 173 ft (52.7 m) and a deck 142 ft wide.
Who owns Balboa Ave over Interstate 805 & Ramps?
It is owned by the State Highway Agency.