Sir-francis Drake over San Anselmo Creek
Fair Condition97 years old34,000 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 3.5 Mi W SR 101 Sn Anslm |
| Carries | Sir-francis Drake |
| Crosses | San Anselmo Creek |
| Coordinates | 37.97437, -122.56168 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 93.2 ft (28.4 m) |
| Deck Area | 380.6 sq m |
| Main Spans | 1 |
| Year Built | 1929 (reconstructed 2011) |
Traffic
| Avg Daily Traffic | 34,000 (2011) |
| Truck Traffic | 5% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27C0040 |