US Bridges

Youngberg Road over Horse Ck

PoorPosted for load

Butte County, South Dakota · 2.2 N 2 E Vale · Structure no. 000000010340388

Built
1978
47 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
140 ft
3 main spans
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

Youngberg Road over Horse Ck is a prestressed concrete tee beam carrying Youngberg Road over Horse Ck in Butte County, South Dakota. It was built in 1978, so it is 47 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 47 vehicles a day, roughly 2% of them trucks, projected to reach 47 by 2032. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesYoungberg Road
CrossesHorse Ck
Location2.2 N 2 E Vale
RouteCounty Highway 0
Coordinates44.6526, -103.36668
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.3 US tons
Inventory rating10.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length140 ft (42.7 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Youngberg Road over Horse Ck built?

It was built in 1978, making it 47 years old in 2025.

What condition is Youngberg Road over Horse Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Youngberg Road over Horse Ck carry?

About 47 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Youngberg Road over Horse Ck?

The structure is 140 ft (42.7 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Youngberg Road over Horse Ck?

It is owned by the County Highway Agency.