Johnstonville RD over Susan River
Fair Condition105 years old600 vehicles/day
Location
| State | California |
| County | Lassen |
| Location | 0.3 Mi N Of US 395 |
| Carries | Johnstonville RD |
| Crosses | Susan River |
| Coordinates | 40.38881, -120.58736 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 98.1 ft (29.9 m) |
| Max Span | 32.2 ft (9.8 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 308.0 sq m |
| Main Spans | 3 |
| Year Built | 1921 (reconstructed 1959) |
Traffic
| Avg Daily Traffic | 600 (1980) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 07C0027 |