US Bridges

SD034 over Ck

Fair

Meade County, South Dakota · 6.2 W of Union Center · Structure no. 000000047392342

Built
1956
69 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
930
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Ck is a concrete continuous culvert carrying SD034 over Ck in Meade County, South Dakota. It was built in 1956, so it is 69 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 930 vehicles a day, roughly 21% of them trucks, projected to reach 1,482 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 51 mi (82 km).

CarriesSD034
CrossesCk
Location6.2 W of Union Center
RouteState Highway 34
Coordinates44.54494, -102.779
Functional classRural Principal Arterial - Other

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 inspectionJanuary 2024
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 loadH 20
Structure length25 ft (7.6 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 traffic930 (2024)
Projected traffic1,482 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SD034 over Ck built?

It was built in 1956, making it 69 years old in 2025.

What condition is SD034 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 January 2024.

How much traffic does SD034 over Ck carry?

About 930 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is SD034 over Ck?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns SD034 over Ck?

It is owned by the State Highway Agency.