Route I 280 SB over Sfwd Water Main
FairSan Francisco County, California · 04-SF-280-R4.05L-SF · Structure no. 34 0072L
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete
- Length
- 21 ft
- 1 main span
- Daily traffic
- 91,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Route I 280 SB over Sfwd Water Main is a concrete slab carrying Route I 280 SB over Sfwd Water Main in San Francisco County, California. It was built in 1960, so it is 65 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 91,000 vehicles a day, roughly 2% of them trucks, projected to reach 194,087 by 2041. The structure is 21 ft (6.3 m) long and 108 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Route I 280 SB over Sfwd Water Main built?
It was built in 1960, making it 65 years old in 2025.
What condition is Route I 280 SB over Sfwd Water Main 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 March 2024.
How much traffic does Route I 280 SB over Sfwd Water Main carry?
About 91,000 vehicles per day (2018 count), of which roughly 2% are trucks.
How long is Route I 280 SB over Sfwd Water Main?
The structure is 21 ft (6.3 m) long with a longest span of 19 ft (5.9 m) and a deck 108 ft wide.
Who owns Route I 280 SB over Sfwd Water Main?
It is owned by the State Highway Agency.