US Bridges

I090 W over Junction Ave - Sturgis

Fair

Meade County, South Dakota · Sturgis Interchange · Structure no. 000000047033444

Built
2005
20 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
3 main spans
Daily traffic
11,744
2024 count
Owner
State
State Highway Agency

About this bridge

I090 W over Junction Ave - Sturgis is a steel continuous stringer/multi-beam or girder carrying I090 W over Junction Ave - Sturgis in Meade County, South Dakota. It was built in 2005, so it is 20 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 11,744 vehicles a day, roughly 13% of them trucks, projected to reach 18,532 by 2044. The structure is 224 ft (68.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI090 W
CrossesJunction Ave - Sturgis
LocationSturgis Interchange
RouteInterstate 90
Coordinates44.39535, -103.50367
Functional classUrban Principal Arterial - Interstate

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating80.7 US tons
Inventory rating48.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length224 ft (68.3 m)
Longest span97 ft (29.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,744 (2024)
Projected traffic18,532 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I090 W over Junction Ave - Sturgis built?

It was built in 2005, making it 20 years old in 2025.

What condition is I090 W over Junction Ave - Sturgis 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 August 2024.

How much traffic does I090 W over Junction Ave - Sturgis carry?

About 11,744 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I090 W over Junction Ave - Sturgis?

The structure is 224 ft (68.3 m) long with a longest span of 97 ft (29.7 m) and a deck 43 ft wide.

Who owns I090 W over Junction Ave - Sturgis?

It is owned by the State Highway Agency.