Whelan/5515 over Missouri Flat Creek
Good Condition21 years old278 vehicles/day
Location
| State | Washington |
| County | Whitman |
| Location | 1.90 Mi E SR 27 |
| Carries | Whelan/5515 |
| Crosses | Missouri Flat Creek |
| Coordinates | 46.77127, -117.13528 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 217.8 sq m |
| Main Spans | 1 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 278 (2021) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 087331000000000 |