US Bridges

278 Street over Ck

Good

Tripp County, South Dakota · 1.7E & 1S Winner · Structure no. 000000062217280

Built
2012
13 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
22 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

278 Street over Ck is a steel culvert carrying 278 Street over Ck in Tripp County, South Dakota. It was built in 2012, so it is 13 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Carries278 Street
CrossesCk
Location1.7E & 1S Winner
RouteCounty Highway 0
Coordinates43.37182, -99.81692
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 278 Street over Ck built?

It was built in 2012, making it 13 years old in 2025.

What condition is 278 Street 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 June 2023.

How much traffic does 278 Street over Ck carry?

About 50 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 278 Street over Ck?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns 278 Street over Ck?

It is owned by the County Highway Agency.