Big Oak Flat Road over Tamarack Creek
Fair Condition87 years old2,530 vehicles/day
Location
| State | California |
| County | Mariposa |
| Location | 7.0 Miles East From El Po |
| Carries | Big Oak Flat Road |
| Crosses | Tamarack Creek |
| Coordinates | 37.72768, -119.71437 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 204.4 ft (62.3 m) |
| Max Span | 96.1 ft (29.3 m) |
| Deck Width | 37.1 ft (11.3 m) |
| Deck Area | 704.0 sq m |
| Main Spans | 1 |
| Year Built | 1939 |
Traffic
| Avg Daily Traffic | 2,530 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | National Park Service |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 8800019P0000000 |