US Bridges

Weta Road over Fifteen Ck

Good

Jackson County, South Dakota · 7.7S 7W of Kadoka · Structure no. 000000036240187

Built
1995
30 years old, rebuilt 1999
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Weta Road over Fifteen Ck is a concrete culvert carrying Weta Road over Fifteen Ck in Jackson County, South Dakota. It was built in 1995 and reconstructed in 1999, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 75 by 2032. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 14.3 mi (23 km).

CarriesWeta Road
CrossesFifteen Ck
Location7.7S 7W of Kadoka
RouteCounty Highway 0
Coordinates43.72453, -101.66189
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic75 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Weta Road over Fifteen Ck built?

It was built in 1995, making it 30 years old in 2025. It was reconstructed in 1999.

What condition is Weta Road over Fifteen 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 September 2023.

How much traffic does Weta Road over Fifteen Ck carry?

About 50 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Weta Road over Fifteen Ck?

The structure is 25 ft (7.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Weta Road over Fifteen Ck?

It is owned by the County Highway Agency.