US Bridges

US212 over Big Sioux Rv

Good

Codington County, South Dakota · 0.7 W JCT US 81 · Structure no. 000000015181180

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
155 ft
4 main spans
Daily traffic
14,592
2024 count
Owner
State
State Highway Agency

About this bridge

US212 over Big Sioux Rv is a concrete continuous slab carrying US212 over Big Sioux Rv in Codington 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 14,592 vehicles a day, roughly 4% of them trucks, projected to reach 20,896 by 2044. The structure is 155 ft (47.2 m) long and 73 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesUS212
CrossesBig Sioux Rv
Location0.7 W JCT US 81
RouteU.S. Route 212
Coordinates44.89013, -97.12436
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating53.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length155 ft (47.2 m)
Longest span43 ft (13 m)
Deck width73 ft (22.4 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,592 (2024)
Projected traffic20,896 by 2044
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US212 over Big Sioux Rv built?

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

What condition is US212 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 May 2023.

How much traffic does US212 over Big Sioux Rv carry?

About 14,592 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US212 over Big Sioux Rv?

The structure is 155 ft (47.2 m) long with a longest span of 43 ft (13 m) and a deck 73 ft wide.

Who owns US212 over Big Sioux Rv?

It is owned by the State Highway Agency.