US Bridges

434 Ave over West Fork Vermillion Rv

Good

Miner County, South Dakota · 5.1N Howard · Structure no. 000000049160079

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

434 Ave over West Fork Vermillion Rv is a concrete continuous culvert carrying 434 Ave over West Fork Vermillion Rv in Miner County, South Dakota. It was built in 2024, so it is 1 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 45 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2032. The structure is 44 ft (13.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries434 Ave
CrossesWest Fork Vermillion Rv
Location5.1N Howard
RouteCounty Highway 0
Coordinates44.08066, -97.53081
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 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 434 Ave over West Fork Vermillion Rv built?

It was built in 2024, making it 1 years old in 2025.

What condition is 434 Ave 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 November 2024.

How much traffic does 434 Ave over West Fork Vermillion Rv carry?

About 45 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 434 Ave over West Fork Vermillion Rv?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns 434 Ave over West Fork Vermillion Rv?

It is owned by the County Highway Agency.