US Bridges

159 Street over Big Sioux Rv

Good

Codington County, South Dakota · 11.4W 2S South Shore · Structure no. 000000015166050

Built
2020
5 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

159 Street over Big Sioux Rv is a concrete continuous slab carrying 159 Street over Big Sioux Rv in Codington County, South Dakota. It was built in 2020, so it is 5 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 73 vehicles a day, roughly 2% of them trucks, projected to reach 73 by 2032. The structure is 103 ft (31.4 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries159 Street
CrossesBig Sioux Rv
Location11.4W 2S South Shore
RouteCounty Highway 0
Coordinates45.07879, -97.15146
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 alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span39 ft (11.8 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 159 Street over Big Sioux Rv built?

It was built in 2020, making it 5 years old in 2025.

What condition is 159 Street over Big Sioux Rv 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 159 Street over Big Sioux Rv carry?

About 73 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 159 Street over Big Sioux Rv?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.8 m) and a deck 32 ft wide.

Who owns 159 Street over Big Sioux Rv?

It is owned by the County Highway Agency.