US Bridges

38910 284th Street over Andes Creek

Good

Charles Mix County, South Dakota · 8.0N & 7.1E of Lake Andes · Structure no. 000000012451160

Built
2015
10 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

38910 284th Street over Andes Creek is a concrete culvert carrying 38910 284th Street over Andes Creek in Charles Mix County, South Dakota. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2032. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries38910 284th Street
CrossesAndes Creek
Location8.0N & 7.1E of Lake Andes
RouteCounty Highway 0
Coordinates43.27098, -98.40436
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic17 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 38910 284th Street over Andes Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is 38910 284th Street over Andes Creek 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 October 2023.

How much traffic does 38910 284th Street over Andes Creek carry?

About 15 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 38910 284th Street over Andes Creek?

The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).

Who owns 38910 284th Street over Andes Creek?

It is owned by the County Highway Agency.