US Bridges

Winkler Road over Horse Ck

Good

Butte County, South Dakota · 4.3 W 2 N Newell · Structure no. 000000010266320

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

Winkler Road over Horse Ck is a prestressed concrete tee beam carrying Winkler Road over Horse Ck in Butte County, South Dakota. It was built in 2020, so it is 5 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 47 vehicles a day, roughly 2% of them trucks, projected to reach 47 by 2032. The structure is 65 ft (19.8 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesWinkler Road
CrossesHorse Ck
Location4.3 W 2 N Newell
RouteCounty Highway 0
Coordinates44.7487, -103.51351
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span63 ft (19.3 m)
Deck width29 ft (8.8 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 closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$652,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Winkler Road over Horse Ck built?

It was built in 2020, making it 5 years old in 2025.

What condition is Winkler Road over Horse Ck in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Winkler Road over Horse Ck carry?

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

How long is Winkler Road over Horse Ck?

The structure is 65 ft (19.8 m) long with a longest span of 63 ft (19.3 m) and a deck 29 ft wide.

Who owns Winkler Road over Horse Ck?

It is owned by the County Highway Agency.