Silver Ave over Route 101
FairSan Francisco County, California · 04-SF-101-1.77-SF · Structure no. 34 0032
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 158 ft
- 2 main spans
- Daily traffic
- 9,281
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Silver Ave over Route 101 is a concrete continuous box beam or girders - multiple carrying Silver Ave over Route 101 in San Francisco County, California. It was built in 1954, so it is 71 years old, older 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 9,281 vehicles a day, roughly 1% of them trucks, projected to reach 28,382 by 2046. The structure is 158 ft (48.2 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silver Ave over Route 101 built?
It was built in 1954, making it 71 years old in 2025.
What condition is Silver Ave over Route 101 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 January 2024.
How much traffic does Silver Ave over Route 101 carry?
About 9,281 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Silver Ave over Route 101?
The structure is 158 ft (48.2 m) long with a longest span of 77 ft (23.4 m) and a deck 70 ft wide.
Who owns Silver Ave over Route 101?
It is owned by the State Highway Agency.