US Bridges

K15 HWY over Republican River

Good

Clay County, Kansas · 9.41 MI N K82 · Structure no. 999901500140301

Built
1987
38 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,222 ft
8 main spans
Daily traffic
1,990
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over Republican River is a steel continuous stringer/multi-beam or girder carrying K15 HWY over Republican River in Clay County, Kansas. It was built in 1987, so it is 38 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 1,990 vehicles a day, roughly 17% of them trucks, projected to reach 2,071 by 2044. The structure is 1,222 ft (372.6 m) long and 42 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesK15 HWY
CrossesRepublican River
Location9.41 MI N K82
RouteState Highway 15
CountyClay County
StateKansas
Coordinates39.35583, -97.12722
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckNot applicable
Main spans8
Design loadHS 20
Structure length1,222 ft (372.6 m)
Longest span160 ft (48.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,990 (2023)
Projected traffic2,071 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 K15 HWY over Republican River built?

It was built in 1987, making it 38 years old in 2025.

What condition is K15 HWY over Republican River 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 May 2024.

How much traffic does K15 HWY over Republican River carry?

About 1,990 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is K15 HWY over Republican River?

The structure is 1,222 ft (372.6 m) long with a longest span of 160 ft (48.8 m) and a deck 42 ft wide.

Who owns K15 HWY over Republican River?

It is owned by the State Highway Agency.