Upper Mad River RD over South Fork Mad River
Good Condition12 years old100 vehicles/day
Location
| State | California |
| County | Trinity |
| Location | 28.5 Mi S Of SR 36 |
| Carries | Upper Mad River RD |
| Crosses | South Fork Mad River |
| Coordinates | 40.16252, -123.22653 |
Condition Ratings
| Overall Condition | Good |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 56.8 ft (17.3 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Area | 147.1 sq m |
| Main Spans | 1 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 100 (2016) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 621 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 05C0244 |