US Bridges

US014 over Ck

Fair

Haakon County, South Dakota · 1.1 NE Jackson CO Line · Structure no. 000000028122513

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
4 main spans
Daily traffic
978
2024 count
Owner
State
State Highway Agency

About this bridge

US014 over Ck is a steel stringer/multi-beam or girder carrying US014 over Ck in Haakon County, South Dakota. It was built in 1955, so it is 70 years old, older 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 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 978 vehicles a day, roughly 14% of them trucks, projected to reach 1,390 by 2044. The structure is 154 ft (46.8 m) long and 32 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesUS014
CrossesCk
Location1.1 NE Jackson CO Line
RouteU.S. Route 14
Coordinates44.00434, -101.76237
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length154 ft (46.8 m)
Longest span43 ft (13 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic978 (2024)
Projected traffic1,390 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 1955, making it 70 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 November 2024.

How much traffic does US014 over Ck carry?

About 978 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is US014 over Ck?

The structure is 154 ft (46.8 m) long with a longest span of 43 ft (13 m) and a deck 32 ft wide.

Who owns US014 over Ck?

It is owned by the State Highway Agency.