Armstrong/5490 over South Fork Palouse River
Good Condition35 years old74 vehicles/day
Location
| State | Washington |
| County | Whitman |
| Location | 0.77 Mi NE SR 195 |
| Carries | Armstrong/5490 |
| Crosses | South Fork Palouse River |
| Coordinates | 46.76003, -117.22533 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 105.0 ft (32 m) |
| Max Span | 103.0 ft (31.4 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 313.6 sq m |
| Main Spans | 1 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 74 (2020) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 085821000000000 |