Interstate 805 SB over Interstate 15
FairSan Diego County, California · 11-SD-805-14.59-SD · Structure no. 57 0611L
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 483 ft
- 3 main spans
- Daily traffic
- 88,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 805 SB over Interstate 15 is a concrete continuous box beam or girders - multiple carrying Interstate 805 SB over Interstate 15 in San Diego County, California. It was built in 1970, so it is 55 years old, older 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 88,500 vehicles a day, roughly 6% of them trucks, projected to reach 162,500 by 2044. The structure is 483 ft (147.2 m) long and 80 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 805 SB over Interstate 15 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Interstate 805 SB over Interstate 15 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 August 2024.
How much traffic does Interstate 805 SB over Interstate 15 carry?
About 88,500 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Interstate 805 SB over Interstate 15?
The structure is 483 ft (147.2 m) long with a longest span of 156 ft (47.5 m) and a deck 80 ft wide.
Who owns Interstate 805 SB over Interstate 15?
It is owned by the State Highway Agency.