US Bridges

40130 305th Street over Choteau Creek

Good

Charles Mix County, South Dakota · 5.0S & 1.3E of Dante · Structure no. 000000012573370

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
48
2022 count
Owner
County
County Highway Agency

About this bridge

40130 305th Street over Choteau Creek is a steel stringer/multi-beam or girder carrying 40130 305th Street over Choteau Creek 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 48 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2032. The structure is 80 ft (24.5 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries40130 305th Street
CrossesChoteau Creek
Location5.0S & 1.3E of Dante
RouteCounty Highway 0
Coordinates42.96693, -98.16154
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating37 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHL 93
Structure length80 ft (24.5 m)
Longest span79 ft (24.1 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2022)
Projected traffic48 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 40130 305th Street over Choteau Creek built?

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

What condition is 40130 305th Street over Choteau 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 September 2023.

How much traffic does 40130 305th Street over Choteau Creek carry?

About 48 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 40130 305th Street over Choteau Creek?

The structure is 80 ft (24.5 m) long with a longest span of 79 ft (24.1 m) and a deck 25 ft wide.

Who owns 40130 305th Street over Choteau Creek?

It is owned by the County Highway Agency.