US Bridges

215th Street over Redstone Ck

FairPosted for load

Kingsbury County, South Dakota · 3.7 E Esmond · Structure no. 000000039077190

Built
1965
60 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
36 ft
1 main span
Daily traffic
89
2022 count
Owner
County
County Highway Agency

About this bridge

215th Street over Redstone Ck is a concrete stringer/multi-beam or girder carrying 215th Street over Redstone Ck in Kingsbury County, South Dakota. It was built in 1965, so it is 60 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 89 vehicles a day, roughly 3% of them trucks, projected to reach 89 by 2032. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Carries215th Street
CrossesRedstone Ck
Location3.7 E Esmond
RouteCounty Highway 0
Coordinates44.26719, -97.69957
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2022)
Projected traffic89 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 215th Street over Redstone Ck built?

It was built in 1965, making it 60 years old in 2025.

What condition is 215th Street over Redstone 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 2023.

How much traffic does 215th Street over Redstone Ck carry?

About 89 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 215th Street over Redstone Ck?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns 215th Street over Redstone Ck?

It is owned by the County Highway Agency.