US Bridges

46290 300 St. over Vermillion Rv

Fair

Clay County, South Dakota · 7.9E & 2N Wakonda · Structure no. 000000014109030

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
102
2022 count
Owner
County
County Highway Agency

About this bridge

46290 300 St. over Vermillion Rv is a prestressed concrete tee beam carrying 46290 300 St. over Vermillion Rv in Clay County, South Dakota. It was built in 1982, so it is 43 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 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.

It carries about 102 vehicles a day, roughly 3% of them trucks, projected to reach 102 by 2032. The structure is 125 ft (38.2 m) long and 32 ft wide.

Carries46290 300 St.
CrossesVermillion Rv
Location7.9E & 2N Wakonda
RouteCounty Highway 0
Coordinates43.04018, -96.94365
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length125 ft (38.2 m)
Longest span45 ft (13.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2022)
Projected traffic102 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 46290 300 St. over Vermillion Rv built?

It was built in 1982, making it 43 years old in 2025.

What condition is 46290 300 St. over Vermillion Rv 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 2024.

How much traffic does 46290 300 St. over Vermillion Rv carry?

About 102 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 46290 300 St. over Vermillion Rv?

The structure is 125 ft (38.2 m) long with a longest span of 45 ft (13.7 m) and a deck 32 ft wide.

Who owns 46290 300 St. over Vermillion Rv?

It is owned by the County Highway Agency.