US Bridges

US81 HWY over Cowskin Creek

Good

Sedgwick County, Kansas · 3.08 MI N Sumner CO LN · Structure no. 999908100874701

Built
2007
18 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
5,644
2023 count
Owner
State
State Highway Agency

About this bridge

US81 HWY over Cowskin Creek is a concrete continuous slab carrying US81 HWY over Cowskin Creek in Sedgwick County, Kansas. It was built in 2007, so it is 18 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 5,644 vehicles a day, roughly 7% of them trucks, projected to reach 5,758 by 2044. The structure is 163 ft (49.7 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS81 HWY
CrossesCowskin Creek
Location3.08 MI N Sumner CO LN
RouteU.S. Route 81
StateKansas
Coordinates37.52139, -97.33389
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length163 ft (49.7 m)
Longest span64 ft (19.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,644 (2023)
Projected traffic5,758 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US81 HWY over Cowskin Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is US81 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 October 2024.

How much traffic does US81 HWY over Cowskin Creek carry?

About 5,644 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US81 HWY over Cowskin Creek?

The structure is 163 ft (49.7 m) long with a longest span of 64 ft (19.5 m) and a deck 46 ft wide.

Who owns US81 HWY over Cowskin Creek?

It is owned by the State Highway Agency.