Mapes Lane RD 305 over Susan River Overflow # 5
Fair Condition10 years old130 vehicles/day
Location
| State | California |
| County | Lassen |
| Location | 3.3 Mi E Of Lambert Lane |
| Carries | Mapes Lane RD 305 |
| Crosses | Susan River Overflow # 5 |
| Coordinates | 40.33767, -120.33728 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 395.3 sq m |
| Main Spans | 6 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 130 (2017) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 822 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 07C0100 |