Interstate 805 NB over San Ysidro Blvd
FairSan Diego County, California · 11-SD-805-0.65-SD · Structure no. 57 0776R
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 176 ft
- 1 main span
- Daily traffic
- 26,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 805 NB over San Ysidro Blvd is a prestressed concrete box beam or girders - multiple carrying Interstate 805 NB over San Ysidro Blvd in San Diego County, California. It was built in 1975, so it is 50 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 5 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 26,000 vehicles a day, roughly 4% of them trucks, projected to reach 41,500 by 2046. The structure is 176 ft (53.6 m) long and 68 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 NB over San Ysidro Blvd built?
It was built in 1975, making it 50 years old in 2025.
What condition is Interstate 805 NB over San Ysidro Blvd 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 May 2024.
How much traffic does Interstate 805 NB over San Ysidro Blvd carry?
About 26,000 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Interstate 805 NB over San Ysidro Blvd?
The structure is 176 ft (53.6 m) long with a longest span of 173 ft (52.7 m) and a deck 68 ft wide.
Who owns Interstate 805 NB over San Ysidro Blvd?
It is owned by the State Highway Agency.