Interstate 280 over China Basin Viaduct
Fair Condition55 years old68,200 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | 04-sf-280-r6.61-sf |
| Carries | Interstate 280 |
| Crosses | China Basin Viaduct |
| Coordinates | 37.76423, -122.39267 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 11000.7 ft (3,353 m) |
| Max Span | 167.0 ft (50.9 m) |
| Deck Width | 135.5 ft (41.3 m) |
| Deck Area | 138478.9 sq m |
| Main Spans | 30 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 68,200 (2019) |
| Truck Traffic | 3% |
| Lanes On Bridge | 8 |
| Lanes Under Bridge | 12 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 34 0100 |