US Bridges

SD050 over Pease Ck

Fair

Charles Mix County, South Dakota · 4.1 S of Geddes · Structure no. 000000012300211

Built
1954
71 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
553
2024 count
Owner
State
State Highway Agency

About this bridge

SD050 over Pease Ck is a concrete continuous slab carrying SD050 over Pease Ck in Charles Mix County, South Dakota. It was built in 1954, so it is 71 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 553 vehicles a day, roughly 15% of them trucks, projected to reach 798 by 2044. The structure is 67 ft (20.4 m) long and 34 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesSD050
CrossesPease Ck
Location4.1 S of Geddes
RouteState Highway 50
Coordinates43.19677, -98.70704
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating33.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length67 ft (20.4 m)
Longest span23 ft (7.1 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic553 (2024)
Projected traffic798 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 SD050 over Pease Ck built?

It was built in 1954, making it 71 years old in 2025.

What condition is SD050 over Pease 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 June 2024.

How much traffic does SD050 over Pease Ck carry?

About 553 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SD050 over Pease Ck?

The structure is 67 ft (20.4 m) long with a longest span of 23 ft (7.1 m) and a deck 34 ft wide.

Who owns SD050 over Pease Ck?

It is owned by the State Highway Agency.