US Bridges

SW 230th over Eight Mile Creek

FairPosted for load

Butler County, Kansas · 1.8W 2.0S of Douglass · Structure no. 000080853206460

Built
1974
51 years old
Condition
Fair
inspected January 2025
Type
Truss - Thru
Steel
Length
95 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW 230th over Eight Mile Creek is a steel truss - thru carrying SW 230th over Eight Mile Creek in Butler County, Kansas. It was built in 1974, so it is 51 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2045. The structure is 95 ft (29 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW 230th
CrossesEight Mile Creek
Location1.8W 2.0S of Douglass
RouteCounty Highway 0
StateKansas
Coordinates37.49036, -97.04175
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.2 US tons
Inventory rating23.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadUnknown
Structure length95 ft (29 m)
Longest span60 ft (18.2 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 230th over Eight Mile Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is SW 230th over Eight Mile Creek 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 SW 230th over Eight Mile Creek carry?

About 50 vehicles per day (2023 count).

How long is SW 230th over Eight Mile Creek?

The structure is 95 ft (29 m) long with a longest span of 60 ft (18.2 m) and a deck 21 ft wide.

Who owns SW 230th over Eight Mile Creek?

It is owned by the County Highway Agency.