Route 101n Onramp over Alemany Cir Uc (nbd O-r)
Fair Condition76 years old6,000 vehicles/day
Location
| State | California |
| County | San Francisco |
| Location | 04-sf-101-2.20-sf |
| Carries | Route 101n Onramp |
| Crosses | Alemany Cir Uc (nbd O-r) |
| Coordinates | 37.73721, -122.40729 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 331.0 ft (100.9 m) |
| Max Span | 73.2 ft (22.3 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 958.5 sq m |
| Main Spans | 6 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 6,000 (2018) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 34 0063S |