US Bridges

White Butte Road over Lodgepole Ck

PoorPosted for load

Perkins County, South Dakota · 4.5E 13.9 N Bison · Structure no. 000000053281151

Built
1965
60 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
134 ft
3 main spans
Daily traffic
163
2022 count
Owner
County
County Highway Agency

About this bridge

White Butte Road over Lodgepole Ck is a steel stringer/multi-beam or girder carrying White Butte Road over Lodgepole Ck in Perkins County, South Dakota. It was built in 1965, so it is 60 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 poor condition with a lowest component rating of 3 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 163 vehicles a day, roughly 3% of them trucks, projected to reach 163 by 2032. The structure is 134 ft (40.8 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesWhite Butte Road
CrossesLodgepole Ck
Location4.5E 13.9 N Bison
RouteCounty Highway 0
Coordinates45.73187, -102.37333
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating18 US tons
Inventory rating13 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length134 ft (40.8 m)
Longest span51 ft (15.5 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2022)
Projected traffic163 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000
NavigationNo navigation control on waterway

Frequently asked questions

When was White Butte Road over Lodgepole Ck built?

It was built in 1965, making it 60 years old in 2025.

What condition is White Butte Road over Lodgepole 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 July 2024.

How much traffic does White Butte Road over Lodgepole Ck carry?

About 163 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is White Butte Road over Lodgepole Ck?

The structure is 134 ft (40.8 m) long with a longest span of 51 ft (15.5 m) and a deck 26 ft wide.

Who owns White Butte Road over Lodgepole Ck?

It is owned by the County Highway Agency.