US Bridges

Country Road over Box Elder Ck

PoorPosted for load

Pennington County, South Dakota · 1.7N 0.6E Elk Vale Exit · Structure no. 000000052444270

Built
1950
75 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
2 main spans
Daily traffic
1,214
2022 count
Owner
County
County Highway Agency

About this bridge

Country Road over Box Elder Ck is a wood or timber stringer/multi-beam or girder carrying Country Road over Box Elder Ck in Pennington County, South Dakota. It was built in 1950, so it is 75 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 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 1,214 vehicles a day, roughly 7% of them trucks, projected to reach 1,214 by 2040. The structure is 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCountry Road
CrossesBox Elder Ck
Location1.7N 0.6E Elk Vale Exit
RouteCounty Highway 0
Coordinates44.12569, -103.16545
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.2 US tons
Inventory rating20.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,214 (2022)
Projected traffic1,214 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Country Road over Box Elder Ck built?

It was built in 1950, making it 75 years old in 2025.

What condition is Country Road over Box Elder 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 2023.

How much traffic does Country Road over Box Elder Ck carry?

About 1,214 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Country Road over Box Elder Ck?

The structure is 47 ft (14.3 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Country Road over Box Elder Ck?

It is owned by the County Highway Agency.