US Bridges

392 Avenue over Sand Ck

Poor

Jerauld County, South Dakota · 3.1S & 0.3W Alpena · Structure no. 000000037280041

Built
2008
17 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
40 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

392 Avenue over Sand Ck is a steel culvert carrying 392 Avenue over Sand Ck in Jerauld County, South Dakota. It was built in 2008, so it is 17 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries392 Avenue
CrossesSand Ck
Location3.1S & 0.3W Alpena
RouteCounty Highway 0
Coordinates44.13883, -98.37232
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.1 US tons
Inventory rating31.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2022)
Projected traffic50 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 392 Avenue over Sand Ck built?

It was built in 2008, making it 17 years old in 2025.

What condition is 392 Avenue over Sand Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does 392 Avenue over Sand Ck carry?

About 25 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 392 Avenue over Sand Ck?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3 m).

Who owns 392 Avenue over Sand Ck?

It is owned by the County Highway Agency.