US Bridges

K15 HWY over Grouse Creek Drainage

Good

Cowley County, Kansas · 5.34 MI N US166 · Structure no. 999901500180531

Built
1936
89 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,580
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over Grouse Creek Drainage is a concrete culvert carrying K15 HWY over Grouse Creek Drainage in Cowley County, Kansas. It was built in 1936, so it is 89 years old, older 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 1,580 vehicles a day, roughly 21% of them trucks, projected to reach 1,678 by 2044. The structure is 21 ft (6.3 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesK15 HWY
CrossesGrouse Creek Drainage
Location5.34 MI N US166
RouteState Highway 15
CountyCowley County
StateKansas
Coordinates37.18417, -96.71111
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,580 (2023)
Projected traffic1,678 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 K15 HWY over Grouse Creek Drainage built?

It was built in 1936, making it 89 years old in 2025.

What condition is K15 HWY over Grouse Creek Drainage 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 August 2023.

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

About 1,580 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is K15 HWY over Grouse Creek Drainage?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns K15 HWY over Grouse Creek Drainage?

It is owned by the State Highway Agency.