US Bridges

US014 over Ck

Fair

Kingsbury County, South Dakota · 3.1 E JCT Sd 25 · Structure no. 000000039177117

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
2,420
2024 count
Owner
State
State Highway Agency

About this bridge

US014 over Ck is a concrete continuous slab carrying US014 over Ck in Kingsbury County, South Dakota. It was built in 1988, so it is 37 years old, younger than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 2,420 vehicles a day, roughly 18% of them trucks, projected to reach 3,485 by 2044. The structure is 96 ft (29.4 m) long and 47 ft wide. If it were closed, the detour would be 49.1 mi (79 km).

CarriesUS014
CrossesCk
Location3.1 E JCT Sd 25
RouteU.S. Route 14
Coordinates44.37219, -97.49706
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.7 US tons
Inventory rating47.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length96 ft (29.4 m)
Longest span35 ft (10.6 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,420 (2024)
Projected traffic3,485 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.1 mi (79 km)
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 US014 over Ck built?

It was built in 1988, making it 37 years old in 2025.

What condition is US014 over Ck 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 December 2024.

How much traffic does US014 over Ck carry?

About 2,420 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is US014 over Ck?

The structure is 96 ft (29.4 m) long with a longest span of 35 ft (10.6 m) and a deck 47 ft wide.

Who owns US014 over Ck?

It is owned by the State Highway Agency.