US Bridges

266th Street over Wolf Creek

Good

McCook County, South Dakota · 1S & 2.2W of Bridgewater · Structure no. 000000044028220

Built
2006
19 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

266th Street over Wolf Creek is a concrete continuous slab carrying 266th Street over Wolf Creek in McCook County, South Dakota. It was built in 2006, so it is 19 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 30 vehicles a day, roughly 9% of them trucks, projected to reach 36 by 2032. The structure is 130 ft (39.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries266th Street
CrossesWolf Creek
Location1S & 2.2W of Bridgewater
Coordinates43.52876, -97.55348
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.5 US tons
Inventory rating37.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length130 ft (39.5 m)
Longest span50 ft (15.2 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic36 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Wolf Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is 266th Street over 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 2024.

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

About 30 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 266th Street over Wolf Creek?

The structure is 130 ft (39.5 m) long with a longest span of 50 ft (15.2 m) and a deck 29 ft wide.

Who owns 266th Street over Wolf Creek?

It is owned by the County Highway Agency.