US Bridges

231st Local Rd. over Cowskin Creek

Good

Sedgwick County, Kansas · 231STW 0.4 N of 61STN · Structure no. 000870791006025

Built
1995
30 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
75 ft
5 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

231st Local Rd. over Cowskin Creek is a concrete culvert carrying 231st Local Rd. over Cowskin Creek in Sedgwick County, Kansas. It was built in 1995, so it is 30 years old, younger 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 15 vehicles a day, projected to reach 30 by 2044. The structure is 75 ft (22.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries231st Local Rd.
CrossesCowskin Creek
Location231STW 0.4 N of 61STN
RouteCounty Highway 0
StateKansas
Coordinates37.79961, -97.60809
Functional classRural Local

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 inspectionApril 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating69.4 US tons
Inventory rating41.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2022)
Projected traffic30 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-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 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 231st Local Rd. over Cowskin Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 231st Local Rd. over Cowskin 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 April 2022.

How much traffic does 231st Local Rd. over Cowskin Creek carry?

About 15 vehicles per day (2022 count).

How long is 231st Local Rd. over Cowskin Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns 231st Local Rd. over Cowskin Creek?

It is owned by the County Highway Agency.