Us-400 HWY over Little Walnut River
Fair Condition56 years old5,627 vehicles/day
Location
| State | Kansas |
| County | Butler |
| Location | 3.68 Mi E Of Us-77 E Jct |
| Carries | Us-400 HWY |
| Crosses | Little Walnut River |
| Coordinates | 37.67944, -96.77806 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 382.5 ft (116.6 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 1632.4 sq m |
| Main Spans | 6 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 5,627 (2023) |
| Truck Traffic | 23% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 999940000080421 |