US Bridges

237th Street over Bachelor Creek

Good

Moody County, South Dakota · 2.0S & 0.1W of Colman · Structure no. 000000051039170

Built
2005
20 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
58 ft
4 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

237th Street over Bachelor Creek is a concrete continuous culvert carrying 237th Street over Bachelor Creek in Moody County, South Dakota. It was built in 2005, so it is 20 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 50 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2032. The structure is 58 ft (17.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries237th Street
CrossesBachelor Creek
Location2.0S & 0.1W of Colman
RouteCounty Highway 0
Coordinates43.95002, -96.80987
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 rating59.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length58 ft (17.6 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 237th Street over Bachelor Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is 237th Street over Bachelor Creek 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 August 2024.

How much traffic does 237th Street over Bachelor Creek carry?

About 50 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 237th Street over Bachelor Creek?

The structure is 58 ft (17.6 m) long with a longest span of 15 ft (4.5 m).

Who owns 237th Street over Bachelor Creek?

It is owned by the County Highway Agency.