US Bridges

214th Street over Medary Ck

Good

Brookings County, South Dakota · 1.5E Aurora · Structure no. 000000006235180

Built
2001
24 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

214th Street over Medary Ck is a concrete continuous slab carrying 214th Street over Medary Ck in Brookings County, South Dakota. It was built in 2001, so it is 24 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 23 by 2032. The structure is 110 ft (33.5 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries214th Street
CrossesMedary Ck
Location1.5E Aurora
RouteCounty Highway 0
Coordinates44.28204, -96.65608
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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating40.6 US tons
Inventory rating31.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length110 ft (33.5 m)
Longest span38 ft (11.7 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic23 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.6 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 214th Street over Medary Ck built?

It was built in 2001, making it 24 years old in 2025.

What condition is 214th Street over Medary Ck 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 September 2023.

How much traffic does 214th Street over Medary Ck carry?

About 20 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 214th Street over Medary Ck?

The structure is 110 ft (33.5 m) long with a longest span of 38 ft (11.7 m) and a deck 29 ft wide.

Who owns 214th Street over Medary Ck?

It is owned by the County Highway Agency.