US Bridges

28960 395th Avenue over Greasy Horn Creek

Fair

Charles Mix County, South Dakota · 7.4N of Wagner · Structure no. 000000012510216

Built
1935
90 years old, rebuilt 1963
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
287
2022 count
Owner
County
County Highway Agency

About this bridge

28960 395th Avenue over Greasy Horn Creek is a concrete continuous culvert carrying 28960 395th Avenue over Greasy Horn Creek in Charles Mix County, South Dakota. It was built in 1935 and reconstructed in 1963, so it is 90 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.

It carries about 287 vehicles a day, roughly 3% of them trucks, projected to reach 287 by 2032. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries28960 395th Avenue
CrossesGreasy Horn Creek
Location7.4N of Wagner
RouteCounty Highway 0
Coordinates43.18902, -98.28768
Functional classRural Major Collector

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 inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 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 traffic287 (2022)
Projected traffic287 by 2032
Trucks3%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$433,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 28960 395th Avenue over Greasy Horn Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1963.

What condition is 28960 395th Avenue over Greasy Horn Creek 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 October 2023.

How much traffic does 28960 395th Avenue over Greasy Horn Creek carry?

About 287 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 28960 395th Avenue over Greasy Horn Creek?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns 28960 395th Avenue over Greasy Horn Creek?

It is owned by the County Highway Agency.