US Bridges

40410 307 ST over Dry Choteau Ck

Good

Charles Mix County, South Dakota · 7.0S 4.1E of Dante · Structure no. 000000012601390

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

40410 307 ST over Dry Choteau Ck is a concrete culvert carrying 40410 307 ST over Dry Choteau Ck in Charles Mix County, South Dakota. It was built in 2019, so it is 6 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34 vehicles a day, roughly 2% of them trucks, projected to reach 34 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Carries40410 307 ST
CrossesDry Choteau Ck
Location7.0S 4.1E of Dante
RouteCounty Highway 0
Coordinates42.93793, -98.10869
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.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span22 ft (6.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 40410 307 ST over Dry Choteau Ck built?

It was built in 2019, making it 6 years old in 2025.

What condition is 40410 307 ST over Dry Choteau 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 September 2023.

How much traffic does 40410 307 ST over Dry Choteau Ck carry?

About 34 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 40410 307 ST over Dry Choteau Ck?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.8 m).

Who owns 40410 307 ST over Dry Choteau Ck?

It is owned by the County Highway Agency.