SR 121 over Sarco Creek
Good Condition8 years old12,000 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-121-9.30 |
| Carries | SR 121 |
| Crosses | Sarco Creek |
| Coordinates | 38.32334, -122.27331 |
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 |
| Design | Slab |
| Total Length | 48.6 ft (14.8 m) |
| Max Span | 43.3 ft (13.2 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 198.3 sq m |
| Main Spans | 1 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 12,000 (2009) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21 0117 |