US Bridges

46030 283 ST over Vermillion Rv

Fair

Turner County, South Dakota · 2N & 0.3E Davis · Structure no. 000000063203150

Built
1988
37 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
97
2022 count
Owner
County
County Highway Agency

About this bridge

46030 283 ST over Vermillion Rv is a prestressed concrete tee beam carrying 46030 283 ST over Vermillion Rv in Turner County, South Dakota. It was built in 1988, so it is 37 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 97 vehicles a day, roughly 2% of them trucks, projected to reach 97 by 2032. The structure is 173 ft (52.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries46030 283 ST
CrossesVermillion Rv
Location2N & 0.3E Davis
RouteCounty Highway 0
CountyTurner County
StateSouth Dakota
Coordinates43.28694, -96.99882
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2022)
Projected traffic97 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$25,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 46030 283 ST over Vermillion Rv built?

It was built in 1988, making it 37 years old in 2025.

What condition is 46030 283 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 2023.

How much traffic does 46030 283 ST over Vermillion Rv carry?

About 97 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 46030 283 ST over Vermillion Rv?

The structure is 173 ft (52.7 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns 46030 283 ST over Vermillion Rv?

It is owned by the County Highway Agency.