US Bridges

SD034 over Bachelor Ck

Good

Moody County, South Dakota · 1.4 E Lake CO Line · Structure no. 000000051014150

Built
1993
32 years old
Condition
Good
inspected July 2022
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
3,297
2024 count
Owner
State
State Highway Agency

About this bridge

SD034 over Bachelor Ck is a concrete continuous culvert carrying SD034 over Bachelor Ck in Moody County, South Dakota. It was built in 1993, so it is 32 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 3,297 vehicles a day, roughly 15% of them trucks, projected to reach 4,200 by 2044. The structure is 26 ft (8 m) long. If it were closed, the detour would be 44.1 mi (71 km).

CarriesSD034
CrossesBachelor Ck
Location1.4 E Lake CO Line
RouteState Highway 34
Coordinates43.97892, -96.86026
Functional classRural Principal Arterial - Other

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 inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating99 US tons
Inventory rating69.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,297 (2024)
Projected traffic4,200 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SD034 over Bachelor Ck built?

It was built in 1993, making it 32 years old in 2025.

What condition is SD034 over Bachelor 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 July 2022.

How much traffic does SD034 over Bachelor Ck carry?

About 3,297 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SD034 over Bachelor Ck?

The structure is 26 ft (8 m) long with a longest span of 13 ft (3.9 m).

Who owns SD034 over Bachelor Ck?

It is owned by the State Highway Agency.