U.s. Highway 101 over SR 1 Rich By Frntge RD
Good Condition69 years old133,000 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 04-mrn-101-4.03-saus |
| Carries | U.s. Highway 101 |
| Crosses | SR 1 Rich By Frntge RD |
| Coordinates | 37.87902, -122.51504 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 2863.8 ft (872.9 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 138.5 ft (42.2 m) |
| Deck Area | 36836.4 sq m |
| Main Spans | 21 |
| Year Built | 1957 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 133,000 (2009) |
| Truck Traffic | 2% |
| Lanes On Bridge | 10 |
| Lanes Under Bridge | 5 |
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 | 27 0010 |