US Bridges

266th Street over Tributary to Wolf Creek

Good

McCook County, South Dakota · 6.8W&1S of Stanley Corner · Structure no. 000000044042220

Built
2019
6 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

266th Street over Tributary to Wolf Creek is a concrete continuous culvert carrying 266th Street over Tributary to Wolf Creek in McCook 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 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 30 by 2032. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Carries266th Street
CrossesTributary to Wolf Creek
Location6.8W&1S of Stanley Corner
Coordinates43.52878, -97.52433
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating94.2 US tons
Inventory rating72.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 266th Street over Tributary to Wolf Creek built?

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

What condition is 266th Street over Tributary to Wolf 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 June 2022.

How much traffic does 266th Street over Tributary to Wolf Creek carry?

About 30 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 266th Street over Tributary to Wolf Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m).

Who owns 266th Street over Tributary to Wolf Creek?

It is owned by the County Highway Agency.