US Bridges

210 ST (21st Sw) over Stony Run Ck

Good

Beadle County, South Dakota · SW Corner of Huron · Structure no. 000000003231199

Built
2005
20 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

210 ST (21st Sw) over Stony Run Ck is a concrete continuous culvert carrying 210 ST (21st Sw) over Stony Run Ck in Beadle County, South Dakota. It was built in 2005, so it is 20 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 700 vehicles a day, roughly 11% of them trucks, projected to reach 890 by 2032. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Carries210 ST (21st Sw)
CrossesStony Run Ck
LocationSW Corner of Huron
RouteCity Street 0
Coordinates44.34233, -98.23422
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length38 ft (11.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic890 by 2032
Trucks11%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 210 ST (21st Sw) over Stony Run Ck built?

It was built in 2005, making it 20 years old in 2025.

What condition is 210 ST (21st Sw) over Stony Run 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 2024.

How much traffic does 210 ST (21st Sw) over Stony Run Ck carry?

About 700 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is 210 ST (21st Sw) over Stony Run Ck?

The structure is 38 ft (11.5 m) long with a longest span of 12 ft (3.7 m).

Who owns 210 ST (21st Sw) over Stony Run Ck?

It is owned by the City or Municipal Highway Agency.