Andersen Drive over Mahon Creek
Fair Condition29 years old3,500 vehicles/day
Location
| State | California |
| County | Marin |
| Location | W Of Andersen & Lindaro |
| Carries | Andersen Drive |
| Crosses | Mahon Creek |
| Coordinates | 37.96849, -122.52635 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 90.6 ft (27.6 m) |
| Max Span | 43.6 ft (13.3 m) |
| Deck Width | 60.0 ft (18.3 m) |
| Deck Area | 505.1 sq m |
| Main Spans | 2 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 3,500 (2021) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27C0171 |