US Bridges

NW 60th Street over West Branch Walnut River

Fair

Butler County, Kansas · 5.0S of Degraff · Structure no. 000080873205880

Built
1919
106 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
49 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

NW 60th Street over West Branch Walnut River is a concrete stringer/multi-beam or girder carrying NW 60th Street over West Branch Walnut River in Butler County, Kansas. It was built in 1919, so it is 106 years old, older 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 5 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 50 by 2045. The structure is 49 ft (14.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNW 60th Street
CrossesWest Branch Walnut River
Location5.0S of Degraff
RouteCounty Highway 0
StateKansas
Coordinates37.91171, -96.8537
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span47 ft (14.2 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2045
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$275,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 60th Street over West Branch Walnut River built?

It was built in 1919, making it 106 years old in 2025.

What condition is NW 60th Street over West Branch Walnut 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 January 2025.

How much traffic does NW 60th Street over West Branch Walnut River carry?

About 50 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is NW 60th Street over West Branch Walnut River?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.2 m) and a deck 20 ft wide.

Who owns NW 60th Street over West Branch Walnut River?

It is owned by the County Highway Agency.