Big Flat Road 405 over Hurdygurdy Creek
Good Condition8 years old100 vehicles/day
Location
| State | California |
| County | Del Norte |
| Location | 2.6 Mi N/o S Fork Road |
| Carries | Big Flat Road 405 |
| Crosses | Hurdygurdy Creek |
| Coordinates | 41.71752, -123.89798 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 139.1 ft (42.4 m) |
| Max Span | 134.5 ft (41 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 330.7 sq m |
| Main Spans | 1 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 100 (2021) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 01C0045 |