S101 On & Off Ramp over U.s. Highway 101
Good Condition20 years old1,000 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 04-mrn-101-25.50 |
| Carries | S101 On & Off Ramp |
| Crosses | U.s. Highway 101 |
| Coordinates | 38.16279, -122.57548 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 253.3 ft (77.2 m) |
| Max Span | 139.1 ft (42.4 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 1042.2 sq m |
| Main Spans | 2 |
| Year Built | 2006 (reconstructed 2014) |
Traffic
| Avg Daily Traffic | 1,000 (2007) |
| Truck Traffic | 40% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27 0115 |