US Bridges

I090 W over West Fork Vermillion Rv

Good

McCook County, South Dakota · 0.6 W US 81 Interch · Structure no. 000000044104125

Built
2022
3 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
3 main spans
Daily traffic
6,497
2024 count
Owner
State
State Highway Agency

About this bridge

I090 W over West Fork Vermillion Rv is a steel continuous stringer/multi-beam or girder carrying I090 W over West Fork Vermillion Rv in McCook County, South Dakota. It was built in 2022, so it is 3 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 6,497 vehicles a day, roughly 21% of them trucks, projected to reach 9,804 by 2044. The structure is 254 ft (77.5 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI090 W
CrossesWest Fork Vermillion Rv
Location0.6 W US 81 Interch
RouteInterstate 90
CountyMcCook County
StateSouth Dakota
Coordinates43.66648, -97.39973
Functional classRural Principal Arterial - Interstate

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 inspectionNovember 2023
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 rating67.9 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length254 ft (77.5 m)
Longest span96 ft (29.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,497 (2024)
Projected traffic9,804 by 2044
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I090 W over West Fork Vermillion Rv built?

It was built in 2022, making it 3 years old in 2025.

What condition is I090 W 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 2023.

How much traffic does I090 W over West Fork Vermillion Rv carry?

About 6,497 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is I090 W over West Fork Vermillion Rv?

The structure is 254 ft (77.5 m) long with a longest span of 96 ft (29.3 m) and a deck 43 ft wide.

Who owns I090 W over West Fork Vermillion Rv?

It is owned by the State Highway Agency.