Structure 83902000000000 · Whitman County, WA
Carries Kitzmiller/5520 over Missouri Flat Creek, 0.43 Mi SE Whelan.
24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.
| State | Washington |
| County | Whitman |
| Location | 0.43 Mi SE Whelan |
| Carries | Kitzmiller/5520 |
| Crosses | Missouri Flat Creek |
| Coordinates | 46.75465, -117.16917 |
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 53.3 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
| Avg Daily Traffic | 237 (2020) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Scour Critical | 4 — Foundations need monitoring |
| Structure Number | 083902000000000 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.