US-400 HWY over Neosho River
FairLabette County, Kansas · 8.26 MI E US59 · Structure no. 999940000500651
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 419 ft
- 3 main spans
- Daily traffic
- 5,746
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-400 HWY over Neosho River is a steel continuous stringer/multi-beam or girder carrying US-400 HWY over Neosho River in Labette County, Kansas. It was built in 1987, so it is 38 years old, younger than the Kansas average of 52.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,746 vehicles a day, roughly 24% of them trucks, projected to reach 6,606 by 2044. The structure is 419 ft (127.6 m) long and 46 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-400 HWY over Neosho River built?
It was built in 1987, making it 38 years old in 2025.
What condition is US-400 HWY over Neosho River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does US-400 HWY over Neosho River carry?
About 5,746 vehicles per day (2023 count), of which roughly 24% are trucks.
How long is US-400 HWY over Neosho River?
The structure is 419 ft (127.6 m) long with a longest span of 160 ft (48.8 m) and a deck 46 ft wide.
Who owns US-400 HWY over Neosho River?
It is owned by the State Highway Agency.