US Bridges

K15 HWY over Stewart Creek Drainage

Fair

Cowley County, Kansas · 3.43 MI W Njct US77 · Structure no. 999901500180601

Built
1953
72 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
43 ft
2 main spans
Daily traffic
3,488
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over Stewart Creek Drainage is a concrete culvert carrying K15 HWY over Stewart Creek Drainage in Cowley County, Kansas. It was built in 1953, so it is 72 years old, older 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 3,488 vehicles a day, roughly 9% of them trucks, projected to reach 3,703 by 2044. The structure is 43 ft (13.1 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesK15 HWY
CrossesStewart Creek Drainage
Location3.43 MI W Njct US77
RouteState Highway 15
CountyCowley County
StateKansas
Coordinates37.39028, -97.07
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length43 ft (13.1 m)
Longest span20 ft (6.1 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,488 (2023)
Projected traffic3,703 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 K15 HWY over Stewart Creek Drainage built?

It was built in 1953, making it 72 years old in 2025.

What condition is K15 HWY over Stewart Creek Drainage 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 September 2023.

How much traffic does K15 HWY over Stewart Creek Drainage carry?

About 3,488 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is K15 HWY over Stewart Creek Drainage?

The structure is 43 ft (13.1 m) long with a longest span of 20 ft (6.1 m) and a deck 45 ft wide.

Who owns K15 HWY over Stewart Creek Drainage?

It is owned by the State Highway Agency.