Atherton Avenue over U.s. Highway 101
Fair Condition52 years old8,760 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 04-mrn-101-r22.00-nvto |
| Carries | Atherton Avenue |
| Crosses | U.s. Highway 101 |
| Coordinates | 38.11768, -122.56549 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Multiple |
| Total Length | 233.9 ft (71.3 m) |
| Max Span | 116.1 ft (35.4 m) |
| Deck Width | 94.2 ft (28.7 m) |
| Deck Area | 2046.3 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 8,760 (2001) |
| Truck Traffic | 1% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 7 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27 0093 |