US Bridges

SD011 over Ck

Fair

Minnehaha County, South Dakota · 3.7 SW Minnesota Line · Structure no. 000000050310015

Built
1963
62 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
41 ft
4 main spans
Daily traffic
1,968
2024 count
Owner
State
State Highway Agency

About this bridge

SD011 over Ck is a concrete continuous culvert carrying SD011 over Ck in Minnehaha County, South Dakota. It was built in 1963, so it is 62 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,968 vehicles a day, roughly 12% of them trucks, projected to reach 3,048 by 2044. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSD011
CrossesCk
Location3.7 SW Minnesota Line
RouteState Highway 11
Coordinates43.82751, -96.51296
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.1 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length41 ft (12.6 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 traffic1,968 (2024)
Projected traffic3,048 by 2044
Trucks12%
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

OwnerState Highway Agency
Maintained byState 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 SD011 over Ck built?

It was built in 1963, making it 62 years old in 2025.

What condition is SD011 over Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does SD011 over Ck carry?

About 1,968 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is SD011 over Ck?

The structure is 41 ft (12.6 m) long with a longest span of 10 ft (3 m).

Who owns SD011 over Ck?

It is owned by the State Highway Agency.