US Bridges

28070 416 Ave. over Dry Ck

PoorClosed to traffic

Hutchinson County, South Dakota · 4.7S 6.0E Parkston · Structure no. 000000034120127

Built
1935
90 years old
Condition
Poor
inspected May 2018
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

28070 416 Ave. over Dry Ck is a concrete continuous culvert carrying 28070 416 Ave. over Dry Ck in Hutchinson County, South Dakota. It was built in 1935, 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 poor condition with a lowest component rating of 3 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. Its operating status is: closed to all traffic.

It carries about 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries28070 416 Ave.
CrossesDry Ck
Location4.7S 6.0E Parkston
RouteCounty Highway 0
Coordinates43.31632, -97.87579
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMay 2018
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating10.8 US tons
Inventory rating8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 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 traffic35 (2022)
Projected traffic35 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$292,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 28070 416 Ave. over Dry Ck built?

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

What condition is 28070 416 Ave. over Dry 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 May 2018.

How much traffic does 28070 416 Ave. over Dry Ck carry?

About 35 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 28070 416 Ave. over Dry Ck?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns 28070 416 Ave. over Dry Ck?

It is owned by the County Highway Agency.