US-77 Hiway over Walnut River
GoodButler County, Kansas · 13.8 MI N of Butler Scoln · Structure no. 999907700081531
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 453 ft
- 5 main spans
- Daily traffic
- 4,432
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-77 Hiway over Walnut River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-77 Hiway over Walnut River in Butler County, Kansas. It was built in 1999, so it is 26 years old, younger than the Kansas average of 52.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,432 vehicles a day, roughly 14% of them trucks, projected to reach 4,521 by 2044. The structure is 453 ft (138.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-77 Hiway over Walnut River built?
It was built in 1999, making it 26 years old in 2025.
What condition is US-77 Hiway over Walnut River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does US-77 Hiway over Walnut River carry?
About 4,432 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is US-77 Hiway over Walnut River?
The structure is 453 ft (138.2 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.
Who owns US-77 Hiway over Walnut River?
It is owned by the State Highway Agency.