US Bridges

I090 Wf over I090

Fair

Pennington County, South Dakota · 2.3 E US 16 B Interchange · Structure no. 000000052470276

Built
2006
19 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
252 ft
2 main spans
Daily traffic
3,690
2023 count
Owner
State
State Highway Agency

About this bridge

I090 Wf over I090 is a prestressed concrete continuous stringer/multi-beam or girder carrying I090 Wf over I090 in Pennington County, South Dakota. It was built in 2006, so it is 19 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 6 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 3,690 vehicles a day, roughly 9% of them trucks, projected to reach 4,245 by 2043. The structure is 252 ft (76.7 m) long and 60 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI090 Wf
CrossesI090
Location2.3 E US 16 B Interchange
RouteInterstate 90
CountyPennington County
StateSouth Dakota
Coordinates44.11772, -103.11093
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating70.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length252 ft (76.7 m)
Longest span123 ft (37.4 m)
Deck width60 ft (18.4 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,690 (2023)
Projected traffic4,245 by 2043
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I090 Wf over I090 built?

It was built in 2006, making it 19 years old in 2025.

What condition is I090 Wf over I090 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 June 2024.

How much traffic does I090 Wf over I090 carry?

About 3,690 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I090 Wf over I090?

The structure is 252 ft (76.7 m) long with a longest span of 123 ft (37.4 m) and a deck 60 ft wide.

Who owns I090 Wf over I090?

It is owned by the State Highway Agency.