Market ST over Interstate 805
GoodSan Diego County, California · 11-SD-805-12.95-SD · Structure no. 57 0658
- Built
- 1975
- 50 years old
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 378 ft
- 2 main spans
- Daily traffic
- 22,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Market ST over Interstate 805 is a prestressed concrete continuous box beam or girders - multiple carrying Market ST over Interstate 805 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 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 22,300 vehicles a day, roughly 2% of them trucks, projected to reach 25,674 by 2044. The structure is 378 ft (115.2 m) long and 94 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Market ST over Interstate 805 built?
It was built in 1975, making it 50 years old in 2025.
What condition is Market ST over Interstate 805 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 July 2024.
How much traffic does Market ST over Interstate 805 carry?
About 22,300 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Market ST over Interstate 805?
The structure is 378 ft (115.2 m) long with a longest span of 210 ft (64 m) and a deck 94 ft wide.
Who owns Market ST over Interstate 805?
It is owned by the State Highway Agency.