US Bridges

SW 150th over Eight Mile Creek

Good

Butler County, Kansas · 3.0N 0.9W of Rosehill · Structure no. 000000000080510

Built
1941
84 years old, rebuilt 1996
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
3,825
2021 count
Owner
County
County Highway Agency

About this bridge

SW 150th over Eight Mile Creek is a concrete culvert carrying SW 150th over Eight Mile Creek in Butler County, Kansas. It was built in 1941 and reconstructed in 1996, so it is 84 years old, older 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 3,825 vehicles a day, roughly 5% of them trucks, projected to reach 4,044 by 2045. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSW 150th
CrossesEight Mile Creek
Location3.0N 0.9W of Rosehill
RouteCounty Highway 82
StateKansas
Coordinates37.60665, -97.15096
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,825 (2021)
Projected traffic4,044 by 2045
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 150th over Eight Mile Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1996.

What condition is SW 150th over Eight Mile Creek 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 January 2025.

How much traffic does SW 150th over Eight Mile Creek carry?

About 3,825 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SW 150th over Eight Mile Creek?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns SW 150th over Eight Mile Creek?

It is owned by the County Highway Agency.