US Bridges

Swift Horse Road over Pass Ck

Fair

Jackson County, South Dakota · 6N & 9E Wanblee · Structure no. 000000036335229

Built
1999
26 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
17
2022 count
Owner
County
County Highway Agency

About this bridge

Swift Horse Road over Pass Ck is a steel culvert carrying Swift Horse Road over Pass Ck in Jackson County, South Dakota. It was built in 1999, so it is 26 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 5 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 17 vehicles a day, roughly 2% of them trucks, projected to reach 17 by 2032. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSwift Horse Road
CrossesPass Ck
Location6N & 9E Wanblee
RouteCounty Highway 0
CountyJackson County
StateSouth Dakota
Coordinates43.66539, -101.46996
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17 (2022)
Projected traffic17 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Swift Horse Road over Pass Ck built?

It was built in 1999, making it 26 years old in 2025.

What condition is Swift Horse Road over Pass 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 September 2023.

How much traffic does Swift Horse Road over Pass Ck carry?

About 17 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Swift Horse Road over Pass Ck?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3 m).

Who owns Swift Horse Road over Pass Ck?

It is owned by the County Highway Agency.