US Bridges

County RD over Deep Run Ck

Good

Haakon County, South Dakota · 0.5N & 0.8W Kirley · Structure no. 000000028337150

Built
1994
31 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

County RD over Deep Run Ck is a concrete continuous culvert carrying County RD over Deep Run Ck in Haakon County, South Dakota. It was built in 1994, so it is 31 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 7 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 3% of them trucks, projected to reach 50 by 2032. The structure is 21 ft (6.3 m) long.

CarriesCounty RD
CrossesDeep Run Ck
Location0.5N & 0.8W Kirley
RouteCounty Highway 0
Coordinates44.53116, -101.32316
Functional classRural Major Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
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 traffic50 (2022)
Projected traffic50 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$4,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD over Deep Run Ck built?

It was built in 1994, making it 31 years old in 2025.

What condition is County RD over Deep Run 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 September 2024.

How much traffic does County RD over Deep Run Ck carry?

About 50 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is County RD over Deep Run Ck?

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

Who owns County RD over Deep Run Ck?

It is owned by the County Highway Agency.