State Route 1 over Americano Creek
Good Condition8 years old1,200 vehicles/day
Location
| State | California |
| County | Marin |
| Location | 04-mrn-001-50.44 |
| Carries | State Route 1 |
| Crosses | Americano Creek |
| Coordinates | 38.31292, -122.89733 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Slab |
| Total Length | 266.1 ft (81.1 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 989.4 sq m |
| Main Spans | 4 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 1,200 (2017) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 27 0121 |