Calistoga RD over Weeks Creek
Fair Condition73 years old6,000 vehicles/day
Location
| State | California |
| County | Sonoma |
| Location | At St. Helena RD |
| Carries | Calistoga RD |
| Crosses | Weeks Creek |
| Coordinates | 38.50570, -122.64994 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 50.9 sq m |
| Main Spans | 2 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 6,000 (2015) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20C0123 |