SR 27 over Missouri Flat CR
Fair Condition71 years old17,702 vehicles/day
Location
| State | Washington |
| County | Whitman |
| Location | 0.3 N Jct SR 270 |
| Carries | SR 27 |
| Crosses | Missouri Flat CR |
| Coordinates | 46.73439, -117.17756 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 64.0 ft (19.5 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 57.1 ft (17.4 m) |
| Deck Area | 339.3 sq m |
| Main Spans | 1 |
| Year Built | 1955 |
Traffic
| Avg Daily Traffic | 17,702 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0004989A0000000 |