Swannack/4060 over Unnamed Drainage
Good Condition35 years old20 vehicles/day
Location
| State | Washington |
| County | Whitman |
| Location | 2.30 Mi SE Potts |
| Carries | Swannack/4060 |
| Crosses | Unnamed Drainage |
| Coordinates | 47.16317, -117.87125 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 55.5 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 20 (2021) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 085819000000000 |