Sir-francis Drake over Lagunitas Creek
Fair Condition44 years old3,000 vehicles/day
Location
| State | California |
| County | Marin |
| Location | Shafter Bridge |
| Carries | Sir-francis Drake |
| Crosses | Lagunitas Creek |
| Coordinates | 38.00449, -122.70884 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 77.8 ft (23.7 m) |
| Max Span | 74.5 ft (22.7 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 289.1 sq m |
| Main Spans | 1 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 3,000 (1979) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27C0039 |