Mission Street over Alemany Blvd
GoodSan Francisco County, California · 04-SF-280-R3.11-SF · Structure no. 34 0012Y
- Built
- 1951
- 74 years old
- Condition
- Good
- inspected April 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 23,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Mission Street over Alemany Blvd is a concrete continuous tee beam carrying Mission Street over Alemany Blvd in San Francisco County, California. It was built in 1951, so it is 74 years old, older 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 23,000 vehicles a day, roughly 1% of them trucks, projected to reach 59,718 by 2044. The structure is 180 ft (54.9 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 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 Street over Alemany Blvd built?
It was built in 1951, making it 74 years old in 2025.
What condition is Mission Street over Alemany Blvd 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 April 2024.
How much traffic does Mission Street over Alemany Blvd carry?
About 23,000 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Mission Street over Alemany Blvd?
The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 82 ft wide.
Who owns Mission Street over Alemany Blvd?
It is owned by the State Highway Agency.