US Bridges

I090 E over Skunk Ck

Good

Minnehaha County, South Dakota · 0.8 E Sd 38 Interch · Structure no. 000000050126166

Built
2008
17 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
222 ft
3 main spans
Daily traffic
8,815
2024 count
Owner
State
State Highway Agency

About this bridge

I090 E over Skunk Ck is a prestressed concrete continuous stringer/multi-beam or girder carrying I090 E over Skunk Ck in Minnehaha County, South Dakota. It was built in 2008, so it is 17 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,815 vehicles a day, roughly 19% of them trucks, projected to reach 13,267 by 2044. The structure is 222 ft (67.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI090 E
CrossesSkunk Ck
Location0.8 E Sd 38 Interch
RouteInterstate 90
Coordinates43.60859, -96.8787
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length222 ft (67.7 m)
Longest span85 ft (25.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,815 (2024)
Projected traffic13,267 by 2044
Trucks19%
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 E over Skunk Ck built?

It was built in 2008, making it 17 years old in 2025.

What condition is I090 E over Skunk Ck 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 January 2024.

How much traffic does I090 E over Skunk Ck carry?

About 8,815 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is I090 E over Skunk Ck?

The structure is 222 ft (67.7 m) long with a longest span of 85 ft (25.9 m) and a deck 43 ft wide.

Who owns I090 E over Skunk Ck?

It is owned by the State Highway Agency.