US Bridges

County RD over West Fork Vermillion Rv

Good

Miner County, South Dakota · 1N & 0.6E Howard · Structure no. 000000049166120

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

County RD over West Fork Vermillion Rv is a concrete continuous culvert carrying County RD over West Fork Vermillion Rv in Miner 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 20 by 2032. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD
CrossesWest Fork Vermillion Rv
Location1N & 0.6E Howard
RouteCounty Highway 0
CountyMiner County
StateSouth Dakota
Coordinates44.02258, -97.51817
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.4 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 traffic20 (2022)
Projected traffic20 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD over West Fork Vermillion Rv built?

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

What condition is County RD over West Fork Vermillion Rv 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 August 2024.

How much traffic does County RD over West Fork Vermillion Rv carry?

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

How long is County RD over West Fork Vermillion Rv?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns County RD over West Fork Vermillion Rv?

It is owned by the County Highway Agency.