US Bridges

K55 HWY over Cowskin Creek

Good

Sumner County, Kansas · 5.71 MI E US81 HWY · Structure no. 999905500961451

Built
2005
20 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
186 ft
4 main spans
Daily traffic
836
2023 count
Owner
State
State Highway Agency

About this bridge

K55 HWY over Cowskin Creek is a concrete continuous slab carrying K55 HWY over Cowskin Creek in Sumner County, Kansas. It was built in 2005, so it is 20 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 836 vehicles a day, roughly 10% of them trucks, projected to reach 853 by 2044. The structure is 186 ft (56.8 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesK55 HWY
CrossesCowskin Creek
Location5.71 MI E US81 HWY
RouteState Highway 55
StateKansas
Coordinates37.39194, -97.22944
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length186 ft (56.8 m)
Longest span52 ft (16 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic836 (2023)
Projected traffic853 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K55 HWY over Cowskin Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is K55 HWY 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 September 2023.

How much traffic does K55 HWY over Cowskin Creek carry?

About 836 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is K55 HWY over Cowskin Creek?

The structure is 186 ft (56.8 m) long with a longest span of 52 ft (16 m) and a deck 42 ft wide.

Who owns K55 HWY over Cowskin Creek?

It is owned by the State Highway Agency.