US Bridges

28410 402 Ave over Ck

Good

Douglas County, South Dakota · 0.1S of Delmont · Structure no. 000000022280161

Built
1982
43 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
77
2022 count
Owner
County
County Highway Agency

About this bridge

28410 402 Ave over Ck is a concrete continuous culvert carrying 28410 402 Ave over Ck in Douglas County, South Dakota. It was built in 1982, so it is 43 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 77 vehicles a day, roughly 2% of them trucks, projected to reach 77 by 2032. The structure is 26 ft (8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries28410 402 Ave
CrossesCk
Location0.1S of Delmont
RouteCounty Highway 0
Coordinates43.26751, -98.14908
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2022)
Projected traffic77 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 28410 402 Ave over Ck built?

It was built in 1982, making it 43 years old in 2025.

What condition is 28410 402 Ave over 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 August 2023.

How much traffic does 28410 402 Ave over Ck carry?

About 77 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 28410 402 Ave over Ck?

The structure is 26 ft (8 m) long with a longest span of 8 ft (2.4 m).

Who owns 28410 402 Ave over Ck?

It is owned by the County Highway Agency.