US Bridges

Whitewood Valley over Whitewood Ck

Good

Lawrence County, South Dakota · 0.9N 0.6E Whitewood · Structure no. 000000041212091

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
174 ft
3 main spans
Daily traffic
300
2022 count
Owner
County
County Highway Agency

About this bridge

Whitewood Valley over Whitewood Ck is a prestressed concrete stringer/multi-beam or girder carrying Whitewood Valley over Whitewood Ck in Lawrence 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 3% of them trucks, projected to reach 300 by 2032. The structure is 174 ft (53 m) long and 32 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesWhitewood Valley
CrossesWhitewood Ck
Location0.9N 0.6E Whitewood
RouteCounty Highway 0
Coordinates44.47318, -103.62523
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length174 ft (53 m)
Longest span62 ft (18.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic300 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 Whitewood Valley over Whitewood Ck built?

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

What condition is Whitewood Valley over Whitewood 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 July 2024.

How much traffic does Whitewood Valley over Whitewood Ck carry?

About 300 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Whitewood Valley over Whitewood Ck?

The structure is 174 ft (53 m) long with a longest span of 62 ft (18.9 m) and a deck 32 ft wide.

Who owns Whitewood Valley over Whitewood Ck?

It is owned by the County Highway Agency.