US-400 Hwy over Drainage
Labette County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US-400 Hwy over Drainage in Labette County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2015, making it 10 years old at the 2025 inventory.
- It carries about 6,679 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 133 of the 351 inventoried bridges in Labette County rated good (37.9%); 21 (6.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: culvert 8 to 7.
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (37.34, -95.15778)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | 5.57 Mi E US59 |
| NBI structure number | 999940000500951 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Labette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US59 Hwy over UP Railroad | 1937 | 9,620 | Fair |
| US59 Hwy over Labette Creek | 1937 | 7,842 | Good |
| US-400 Hwy over Neosho River Drainage | 1957 | 6,679 | Good |
| US-400 Hwy over Neosho River Drainage | 1987 | 5,746 | Good |
| US-400 Hwy over Neosho River Drainage | 1987 | 5,746 | Good |
| US-400 Hwy over Neosho River | 1987 | 5,746 | Fair |
All bridges nearby: Labette County, KS bridge conditions · every bridge in Labette County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.