US Bridges

NE 150th over School Branch

Fair

Butler County, Kansas · 3.9W of Cassoday · Structure no. 000000000080690

Built
1950
75 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
285
2023 count
Owner
County
County Highway Agency

About this bridge

NE 150th over School Branch is a concrete culvert carrying NE 150th over School Branch 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 1% of them trucks, projected to reach 375 by 2045. The structure is 25 ft (7.7 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNE 150th
CrossesSchool Branch
Location3.9W of Cassoday
RouteCounty Highway 88
StateKansas
Coordinates38.04287, -96.7084
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.2 US tons
Inventory rating27.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic285 (2023)
Projected traffic375 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 School Branch built?

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

What condition is NE 150th over School Branch 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 School Branch carry?

About 285 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is NE 150th over School Branch?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns NE 150th over School Branch?

It is owned by the County Highway Agency.