Mad River Road over Olsen Creek
Good Condition24 years old31 vehicles/day
Location
| State | California |
| County | Trinity |
| Location | 1.5 Mi S Of RTE 36 |
| Carries | Mad River Road |
| Crosses | Olsen Creek |
| Coordinates | 40.42419, -123.47845 |
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 | 80.4 ft (24.5 m) |
| Max Span | 75.8 ft (23.1 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 247.4 sq m |
| Main Spans | 1 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 31 (2000) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 05C0227 |