RTE I 280N Offramp over San Jose Ave Munirail
FairSan Francisco County, California · 04-SF-280-R2.69-SF · Structure no. 34 0079S
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 120 ft
- 1 main span
- Daily traffic
- 13,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
RTE I 280N Offramp over San Jose Ave Munirail is a concrete box beam or girders - multiple carrying RTE I 280N Offramp over San Jose Ave Munirail in San Francisco County, California. It was built in 1964, so it is 61 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 13,200 vehicles a day, roughly 5% of them trucks, projected to reach 14,381 by 2045. The structure is 120 ft (36.6 m) long and 36 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 RTE I 280N Offramp over San Jose Ave Munirail built?
It was built in 1964, making it 61 years old in 2025.
What condition is RTE I 280N Offramp over San Jose Ave Munirail 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 April 2024.
How much traffic does RTE I 280N Offramp over San Jose Ave Munirail carry?
About 13,200 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is RTE I 280N Offramp over San Jose Ave Munirail?
The structure is 120 ft (36.6 m) long with a longest span of 115 ft (35.1 m) and a deck 36 ft wide.
Who owns RTE I 280N Offramp over San Jose Ave Munirail?
It is owned by the State Highway Agency.