US Bridges

US083 over Medicine Ck

Fair

Lyman County, South Dakota · 0.6 N JCT Sd 248 · Structure no. 000000043024183

Built
2003
22 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
50 ft
4 main spans
Daily traffic
2,284
2023 count
Owner
State
State Highway Agency

About this bridge

US083 over Medicine Ck is a concrete continuous culvert carrying US083 over Medicine Ck in Lyman County, South Dakota. It was built in 2003, so it is 22 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 2,284 vehicles a day, roughly 17% of them trucks, projected to reach 3,808 by 2043. The structure is 50 ft (15.3 m) long. If it were closed, the detour would be 46 mi (74 km).

Location

Open in Google Maps
CarriesUS083
CrossesMedicine Ck
Location0.6 N JCT Sd 248
RouteU.S. Route 83
CountyLyman County
StateSouth Dakota
Coordinates43.93, -100.31958
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating93.6 US tons
Inventory rating56 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length50 ft (15.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,284 (2023)
Projected traffic3,808 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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 US083 over Medicine Ck built?

It was built in 2003, making it 22 years old in 2025.

What condition is US083 over 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 August 2023.

How much traffic does US083 over Medicine Ck carry?

About 2,284 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US083 over Medicine Ck?

The structure is 50 ft (15.3 m) long with a longest span of 12 ft (3.7 m).

Who owns US083 over Medicine Ck?

It is owned by the State Highway Agency.