US Bridges

71st/RIDGE(RS 998) over Cowskin Creek

Fair

Sedgwick County, Kansas · 2.5E 0.1N of Schulte · Structure no. 000000000870330

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
258 ft
9 main spans
Daily traffic
1,371
2022 count
Owner
County
County Highway Agency

About this bridge

71st/RIDGE(RS 998) over Cowskin Creek is a concrete continuous slab carrying 71st/RIDGE(RS 998) over Cowskin Creek in Sedgwick County, Kansas. It was built in 1985, so it is 40 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 5 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 1,371 vehicles a day, roughly 6% of them trucks, projected to reach 1,800 by 2044. The structure is 258 ft (78.6 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries71st/RIDGE(RS 998)
CrossesCowskin Creek
Location2.5E 0.1N of Schulte
RouteCounty Highway 998
StateKansas
Coordinates37.6232, -97.42569
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.3 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,371 (2022)
Projected traffic1,800 by 2044
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$360,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 71st/RIDGE(RS 998) over Cowskin Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is 71st/RIDGE(RS 998) 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 August 2024.

How much traffic does 71st/RIDGE(RS 998) over Cowskin Creek carry?

About 1,371 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is 71st/RIDGE(RS 998) over Cowskin Creek?

The structure is 258 ft (78.6 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns 71st/RIDGE(RS 998) over Cowskin Creek?

It is owned by the County Highway Agency.