US Bridges

I190 over I090

Fair

Pennington County, South Dakota · I 90 & I 190 Interchange · Structure no. 000000052410285

Built
2000
25 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
267 ft
2 main spans
Daily traffic
9,433
2023 count
Owner
State
State Highway Agency

About this bridge

I190 over I090 is a steel continuous stringer/multi-beam or girder carrying I190 over I090 in Pennington County, South Dakota. It was built in 2000, so it is 25 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 9,433 vehicles a day, roughly 2% of them trucks, projected to reach 12,178 by 2043. The structure is 267 ft (81.4 m) long and 64 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesI190
CrossesI090
LocationI 90 & I 190 Interchange
RouteInterstate 190
Coordinates44.10566, -103.23229
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.7 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length267 ft (81.4 m)
Longest span141 ft (43 m)
Deck width64 ft (19.4 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,433 (2023)
Projected traffic12,178 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 I190 over I090 built?

It was built in 2000, making it 25 years old in 2025.

What condition is I190 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 February 2024.

How much traffic does I190 over I090 carry?

About 9,433 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is I190 over I090?

The structure is 267 ft (81.4 m) long with a longest span of 141 ft (43 m) and a deck 64 ft wide.

Who owns I190 over I090?

It is owned by the State Highway Agency.