State Route 161 over Lost River
Fair Condition18 years old655 vehicles/day
Location
| State | California |
| County | Siskiyou |
| Location | 02-sis-161-19.18 |
| Carries | State Route 161 |
| Crosses | Lost River |
| Coordinates | 41.99825, -121.52304 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 261.2 ft (79.6 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 1018.9 sq m |
| Main Spans | 3 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 655 (2015) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 02 0198 |