US Bridges

NE 150th over Walnut River

Fair

Butler County, Kansas · 1.7W of Cassoday · Structure no. 000000000080700

Built
1950
75 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
285
2021 count
Owner
County
County Highway Agency

About this bridge

NE 150th over Walnut River is a concrete continuous tee beam carrying NE 150th over Walnut River in Butler County, Kansas. It was built in 1950, so it is 75 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 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 285 vehicles a day, roughly 5% of them trucks, projected to reach 225 by 2045. The structure is 155 ft (47.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNE 150th
CrossesWalnut River
Location1.7W of Cassoday
RouteCounty Highway 88
CountyButler County
StateKansas
Coordinates38.04285, -96.67171
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length155 ft (47.3 m)
Longest span63 ft (19.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic285 (2021)
Projected traffic225 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 150th over Walnut River built?

It was built in 1950, making it 75 years old in 2025.

What condition is NE 150th over 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 NE 150th over Walnut River carry?

About 285 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NE 150th over Walnut River?

The structure is 155 ft (47.3 m) long with a longest span of 63 ft (19.2 m) and a deck 26 ft wide.

Who owns NE 150th over Walnut River?

It is owned by the County Highway Agency.