US Bridges

SD034 over Ck

Good

Miner County, South Dakota · 5.2 E Sanborn CO Line · Structure no. 000000049053130

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
55 ft
4 main spans
Daily traffic
970
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Ck is a concrete continuous culvert carrying SD034 over Ck in Miner County, South Dakota. It was built in 2023, so it is 2 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 970 vehicles a day, roughly 26% of them trucks, projected to reach 1,407 by 2044. The structure is 55 ft (16.7 m) long and 36 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesSD034
CrossesCk
Location5.2 E Sanborn CO Line
RouteState Highway 34
Coordinates44.00883, -97.74511
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHL 93
Structure length55 ft (16.7 m)
Longest span13 ft (4 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2024)
Projected traffic1,407 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 SD034 over Ck built?

It was built in 2023, making it 2 years old in 2025.

What condition is SD034 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 November 2023.

How much traffic does SD034 over Ck carry?

About 970 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is SD034 over Ck?

The structure is 55 ft (16.7 m) long with a longest span of 13 ft (4 m) and a deck 36 ft wide.

Who owns SD034 over Ck?

It is owned by the State Highway Agency.