Mission City Pkwy over Interstate 8
GoodSan Diego County, California · 11-SD-008-4.86-SD · Structure no. 57 0758
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 265 ft
- 2 main spans
- Daily traffic
- 4,000
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
Mission City Pkwy over Interstate 8 is a prestressed concrete continuous box beam or girders - multiple carrying Mission City Pkwy over Interstate 8 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 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 4,000 vehicles a day, roughly 4% of them trucks, projected to reach 12,365 by 2042. The structure is 265 ft (80.8 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Mission City Pkwy over Interstate 8 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Mission City Pkwy over Interstate 8 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 March 2024.
How much traffic does Mission City Pkwy over Interstate 8 carry?
About 4,000 vehicles per day (2014 count), of which roughly 4% are trucks.
How long is Mission City Pkwy over Interstate 8?
The structure is 265 ft (80.8 m) long with a longest span of 138 ft (42.1 m) and a deck 47 ft wide.
Who owns Mission City Pkwy over Interstate 8?
It is owned by the State Highway Agency.