State Route 29 over Troutdale Creek
Good Condition10 years old9,000 vehicles/day
Location
| State | California |
| County | Napa |
| Location | 04-nap-029-47.20 |
| Carries | State Route 29 |
| Crosses | Troutdale Creek |
| Coordinates | 38.66744, -122.59890 |
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 | Stringer/Multi-beam |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 57.1 ft (17.4 m) |
| Deck Width | 51.2 ft (15.6 m) |
| Deck Area | 285.5 sq m |
| Main Spans | 1 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 9,000 (2017) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21 0113 |