Interstate 805 SB over Main Street
FairSan Diego County, California · 11-SD-805-3.65-CHV · Structure no. 57 0632L
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 137 ft
- 1 main span
- Daily traffic
- 92,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 805 SB over Main Street is a prestressed concrete box beam or girders - multiple carrying Interstate 805 SB over Main Street 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 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 92,500 vehicles a day, roughly 5% of them trucks, projected to reach 155,000 by 2044. The structure is 137 ft (41.8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 805 SB over Main Street built?
It was built in 1971, making it 54 years old in 2025.
What condition is Interstate 805 SB over Main Street 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 SB over Main Street carry?
About 92,500 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is Interstate 805 SB over Main Street?
The structure is 137 ft (41.8 m) long with a longest span of 137 ft (41.8 m) and a deck 68 ft wide.
Who owns Interstate 805 SB over Main Street?
It is owned by the State Highway Agency.