US Bridges

K18 & Skyway DR over Airport Channel

Good

Riley County, Kansas · 2.22 MI NE of K-114 · Structure no. 999901800810771

Built
2013
12 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
10,801
2023 count
Owner
State
State Highway Agency

About this bridge

K18 & Skyway DR over Airport Channel is a concrete culvert carrying K18 & Skyway DR over Airport Channel in Riley County, Kansas. It was built in 2013, so it is 12 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 10,801 vehicles a day, roughly 8% of them trucks, projected to reach 14,547 by 2044. The structure is 25 ft (7.7 m) long and 274 ft wide.

CarriesK18 & Skyway DR
CrossesAirport Channel
Location2.22 MI NE of K-114
RouteState Highway 18
StateKansas
Coordinates39.13694, -96.66389
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width274 ft (83.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,801 (2023)
Projected traffic14,547 by 2044
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 K18 & Skyway DR over Airport Channel built?

It was built in 2013, making it 12 years old in 2025.

What condition is K18 & Skyway DR over Airport Channel 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 2023.

How much traffic does K18 & Skyway DR over Airport Channel carry?

About 10,801 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is K18 & Skyway DR over Airport Channel?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 274 ft wide.

Who owns K18 & Skyway DR over Airport Channel?

It is owned by the State Highway Agency.