80 WB Off Ramp over 4th Street
GoodSan Francisco County, California · 04-SF-080-4.97-SF · Structure no. 34 0129C
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 556 ft
- 8 main spans
- Daily traffic
- 19,700
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
80 WB Off Ramp over 4th Street is a prestressed concrete continuous box beam or girders - single or spread carrying 80 WB Off Ramp over 4th Street in San Francisco County, California. It was built in 2008, so it is 17 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 19,700 vehicles a day, roughly 10% of them trucks, projected to reach 50,000 by 2040. The structure is 556 ft (169.5 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 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 80 WB Off Ramp over 4th Street built?
It was built in 2008, making it 17 years old in 2025.
What condition is 80 WB Off Ramp over 4th Street 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 2023.
How much traffic does 80 WB Off Ramp over 4th Street carry?
About 19,700 vehicles per day (2013 count), of which roughly 10% are trucks.
How long is 80 WB Off Ramp over 4th Street?
The structure is 556 ft (169.5 m) long with a longest span of 137 ft (41.8 m) and a deck 37 ft wide.
Who owns 80 WB Off Ramp over 4th Street?
It is owned by the State Highway Agency.