US Bridges

SD046 over Vermillion Rv

Good

Clay County, South Dakota · 0.2 E JCT Sd 19 S · Structure no. 000000014102000

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
198 ft
5 main spans
Daily traffic
2,537
2024 count
Owner
State
State Highway Agency

About this bridge

SD046 over Vermillion Rv is a concrete continuous slab carrying SD046 over Vermillion Rv in Clay County, South Dakota. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,537 vehicles a day, roughly 25% of them trucks, projected to reach 4,163 by 2044. The structure is 198 ft (60.2 m) long and 55 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSD046
CrossesVermillion Rv
Location0.2 E JCT Sd 19 S
RouteState Highway 46
Coordinates43.08355, -96.96167
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.7 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length198 ft (60.2 m)
Longest span43 ft (13 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,537 (2024)
Projected traffic4,163 by 2044
Trucks25%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SD046 over Vermillion Rv built?

It was built in 2020, making it 5 years old in 2025.

What condition is SD046 over 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 July 2024.

How much traffic does SD046 over Vermillion Rv carry?

About 2,537 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is SD046 over Vermillion Rv?

The structure is 198 ft (60.2 m) long with a longest span of 43 ft (13 m) and a deck 55 ft wide.

Who owns SD046 over Vermillion Rv?

It is owned by the State Highway Agency.