US Bridges

White Butte Road over South Fork Grand Rv

Fair

Perkins County, South Dakota · 0.4E 5.5 N Bison · Structure no. 000000053240235

Built
2012
13 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
270 ft
3 main spans
Daily traffic
155
2022 count
Owner
County
County Highway Agency

About this bridge

White Butte Road over South Fork Grand Rv is a prestressed concrete continuous stringer/multi-beam or girder carrying White Butte Road over South Fork Grand Rv in Perkins County, South Dakota. It was built in 2012, so it is 13 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 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 155 vehicles a day, roughly 4% of them trucks, projected to reach 170 by 2032. The structure is 270 ft (82.3 m) long and 33 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

CarriesWhite Butte Road
CrossesSouth Fork Grand Rv
Location0.4E 5.5 N Bison
RouteCounty Highway 0
Coordinates45.60988, -102.45664
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating60.8 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length270 ft (82.3 m)
Longest span94 ft (28.7 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic155 (2022)
Projected traffic170 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 White Butte Road over South Fork Grand Rv built?

It was built in 2012, making it 13 years old in 2025.

What condition is White Butte Road over South Fork Grand Rv 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 May 2023.

How much traffic does White Butte Road over South Fork Grand Rv carry?

About 155 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is White Butte Road over South Fork Grand Rv?

The structure is 270 ft (82.3 m) long with a longest span of 94 ft (28.7 m) and a deck 33 ft wide.

Who owns White Butte Road over South Fork Grand Rv?

It is owned by the County Highway Agency.