Nicasio Val RD over Arroyo Nicasio
Good Condition98 years old4,000 vehicles/day
Location
| State | California |
| County | Marin |
| Location | Near Lucas Valley RD |
| Carries | Nicasio Val RD |
| Crosses | Arroyo Nicasio |
| Coordinates | 38.05412, -122.69316 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 105.0 ft (32 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 233.6 sq m |
| Main Spans | 3 |
| Year Built | 1928 |
Traffic
| Avg Daily Traffic | 4,000 (2012) |
| 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 | 27C0098 |