US Bridges

I029 over Ck

Fair

Minnehaha County, South Dakota · 4.1 N I 90 Interch · Structure no. 000000050176122

Built
1963
62 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
19,910
2023 count
Owner
State
State Highway Agency

About this bridge

I029 over Ck is a concrete continuous culvert carrying I029 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 19,910 vehicles a day, roughly 21% of them trucks, projected to reach 29,388 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI029
CrossesCk
Location4.1 N I 90 Interch
RouteInterstate 29
Coordinates43.67094, -96.7812
Functional classRural Principal Arterial - Interstate

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 inspectionNovember 2021
Inspection intervalevery 48 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 rating110.1 US tons
Inventory rating89.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
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 traffic19,910 (2023)
Projected traffic29,388 by 2043
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I029 over Ck built?

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

What condition is I029 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 November 2021.

How much traffic does I029 over Ck carry?

About 19,910 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I029 over Ck?

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

Who owns I029 over Ck?

It is owned by the State Highway Agency.