US Bridges

Vallery RD over Stinkingwater Ck

FairPosted for load

Butte County, South Dakota · 1.0S 1.0W Nisland · Structure no. 000000010240380

Built
1920
105 years old, rebuilt 1988
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

Vallery RD over Stinkingwater Ck is a steel stringer/multi-beam or girder carrying Vallery RD over Stinkingwater Ck in Butte County, South Dakota. It was built in 1920 and reconstructed in 1988, so it is 105 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 47 vehicles a day, roughly 2% of them trucks, projected to reach 70 by 2032. The structure is 70 ft (21.2 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesVallery RD
CrossesStinkingwater Ck
Location1.0S 1.0W Nisland
RouteCounty Highway 0
Coordinates44.66206, -103.56879
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating10.3 US tons
Inventory rating7.7 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length70 ft (21.2 m)
Longest span40 ft (12.2 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic70 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Vallery RD over Stinkingwater Ck built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1988.

What condition is Vallery RD over Stinkingwater Ck 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 August 2024.

How much traffic does Vallery RD over Stinkingwater Ck carry?

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

How long is Vallery RD over Stinkingwater Ck?

The structure is 70 ft (21.2 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.

Who owns Vallery RD over Stinkingwater Ck?

It is owned by the County Highway Agency.