US Bridges

K15 HWY over Road Antelope CR

Good

Sumner County, Kansas · 0.00 MI NW Cowley Coln · Structure no. 999901500961291

Built
1979
46 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
6,679
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over Road Antelope CR is a concrete continuous slab carrying K15 HWY over Road Antelope CR in Sumner County, Kansas. It was built in 1979, so it is 46 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 6,679 vehicles a day, roughly 6% of them trucks, projected to reach 8,150 by 2044. The structure is 120 ft (36.7 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesK15 HWY
CrossesRoad Antelope CR
Location0.00 MI NW Cowley Coln
RouteState Highway 15
CountySumner County
StateKansas
Coordinates37.425, -97.15083
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.1 US tons
Inventory rating49.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.7 m)
Longest span34 ft (10.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,679 (2023)
Projected traffic8,150 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
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 Road Antelope CR built?

It was built in 1979, making it 46 years old in 2025.

What condition is K15 HWY over Road Antelope CR 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 K15 HWY over Road Antelope CR carry?

About 6,679 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is K15 HWY over Road Antelope CR?

The structure is 120 ft (36.7 m) long with a longest span of 34 ft (10.4 m) and a deck 42 ft wide.

Who owns K15 HWY over Road Antelope CR?

It is owned by the State Highway Agency.