US Bridges

N. Hillside Road over Cowskin Creek

Fair

Sumner County, Kansas · 3.0W 0.8S of Mulvane · Structure no. 000960825006489

Built
1993
32 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
31 ft
4 main spans
Daily traffic
20
2013 count
Owner
County
County Highway Agency

About this bridge

N. Hillside Road over Cowskin Creek is a steel culvert carrying N. Hillside Road over Cowskin Creek in Sumner County, Kansas. It was built in 1993, so it is 32 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.

It carries about 20 vehicles a day, projected to reach 24 by 2043. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN. Hillside Road
CrossesCowskin Creek
Location3.0W 0.8S of Mulvane
RouteCounty Highway 0
StateKansas
Coordinates37.46571, -97.29563
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.5 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span6 ft (1.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2013)
Projected traffic24 by 2043
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$410,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N. Hillside Road over Cowskin Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is N. Hillside Road over Cowskin 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 May 2023.

How much traffic does N. Hillside Road over Cowskin Creek carry?

About 20 vehicles per day (2013 count).

How long is N. Hillside Road over Cowskin Creek?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.7 m) and a deck 22 ft wide.

Who owns N. Hillside Road over Cowskin Creek?

It is owned by the County Highway Agency.