US Bridges

US014 over South Medicine Ck

Fair

Hughes County, South Dakota · 3.5 E of Blunt · Structure no. 000000033327010

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
1,914
2024 count
Owner
State
State Highway Agency

About this bridge

US014 over South Medicine Ck is a steel stringer/multi-beam or girder carrying US014 over South Medicine Ck in Hughes County, South Dakota. It was built in 1951, so it is 74 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 1,914 vehicles a day, roughly 21% of them trucks, projected to reach 2,976 by 2044. The structure is 134 ft (40.7 m) long and 32 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS014
CrossesSouth Medicine Ck
Location3.5 E of Blunt
RouteU.S. Route 14
Coordinates44.52695, -99.91226
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length134 ft (40.7 m)
Longest span53 ft (16.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,914 (2024)
Projected traffic2,976 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 South Medicine Ck built?

It was built in 1951, making it 74 years old in 2025.

What condition is US014 over South Medicine 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 April 2024.

How much traffic does US014 over South Medicine Ck carry?

About 1,914 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US014 over South Medicine Ck?

The structure is 134 ft (40.7 m) long with a longest span of 53 ft (16.1 m) and a deck 32 ft wide.

Who owns US014 over South Medicine Ck?

It is owned by the State Highway Agency.