US Bridges

K15 HWY over Smoky Hill River Drn

Fair

Dickinson County, Kansas · 3.79 MI S I70 · Structure no. 999901500210561

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
222 ft
6 main spans
Daily traffic
2,165
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over Smoky Hill River Drn is a concrete continuous slab carrying K15 HWY over Smoky Hill River Drn in Dickinson County, Kansas. It was built in 1963, so it is 62 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 2,165 vehicles a day, roughly 17% of them trucks, projected to reach 2,253 by 2044. The structure is 222 ft (67.8 m) long and 46 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesK15 HWY
CrossesSmoky Hill River Drn
Location3.79 MI S I70
RouteState Highway 15
StateKansas
Coordinates38.88556, -97.21
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length222 ft (67.8 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,165 (2023)
Projected traffic2,253 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Smoky Hill River Drn built?

It was built in 1963, making it 62 years old in 2025.

What condition is K15 HWY over Smoky Hill River Drn 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 October 2023.

How much traffic does K15 HWY over Smoky Hill River Drn carry?

About 2,165 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is K15 HWY over Smoky Hill River Drn?

The structure is 222 ft (67.8 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns K15 HWY over Smoky Hill River Drn?

It is owned by the State Highway Agency.