US Bridges

US212 Ser RD over Ck

Fair

Codington County, South Dakota · 1.9 E JCT US 81 · Structure no. 000000015209180

Built
1970
55 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
12,968
2023 count
Owner
State
State Highway Agency

About this bridge

US212 Ser RD over Ck is a concrete continuous culvert carrying US212 Ser RD over Ck in Codington County, South Dakota. It was built in 1970, so it is 55 years old, older than the South Dakota average of 48.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 12,968 vehicles a day, roughly 11% of them trucks, projected to reach 17,546 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS212 Ser RD
CrossesCk
Location1.9 E JCT US 81
RouteU.S. Route 212
Coordinates44.88994, -97.06591
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating110.1 US tons
Inventory rating109.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,968 (2023)
Projected traffic17,546 by 2043
Trucks11%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Ser RD over Ck built?

It was built in 1970, making it 55 years old in 2025.

What condition is US212 Ser RD over Ck in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2022.

How much traffic does US212 Ser RD over Ck carry?

About 12,968 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US212 Ser RD over Ck?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).

Who owns US212 Ser RD over Ck?

It is owned by the State Highway Agency.