US Bridges

210th Street over Ck

Poor

Brookings County, South Dakota · 7N & 1.3W Elkton · Structure no. 000000006307140

Built
1930
95 years old, rebuilt 1960
Condition
Poor
inspected September 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
92
2022 count
Owner
County
County Highway Agency

About this bridge

210th Street over Ck is a concrete continuous culvert carrying 210th Street over Ck in Brookings County, South Dakota. It was built in 1930 and reconstructed in 1960, so it is 95 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 92 vehicles a day, roughly 2% of them trucks, projected to reach 92 by 2032. The structure is 20 ft (6.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries210th Street
CrossesCk
Location7N & 1.3W Elkton
RouteCounty Highway 0
Coordinates44.34032, -96.51141
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92 (2022)
Projected traffic92 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$418,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 210th Street over Ck built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1960.

What condition is 210th Street over Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does 210th Street over Ck carry?

About 92 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 210th Street over Ck?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns 210th Street over Ck?

It is owned by the County Highway Agency.