US Bridges

I090 W over Boxelder Ck

Fair

Pennington County, South Dakota · 0.6 SE Meade CO Line · Structure no. 000000052383263

Built
1973
52 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
306 ft
6 main spans
Daily traffic
12,395
2024 count
Owner
State
State Highway Agency

About this bridge

I090 W over Boxelder Ck is a concrete continuous slab carrying I090 W over Boxelder Ck in Pennington County, South Dakota. It was built in 1973, so it is 52 years old, older 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 12,395 vehicles a day, roughly 12% of them trucks, projected to reach 17,960 by 2044. The structure is 306 ft (93.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI090 W
CrossesBoxelder Ck
Location0.6 SE Meade CO Line
RouteInterstate 90
Coordinates44.13478, -103.28537
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length306 ft (93.3 m)
Longest span53 ft (16.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,395 (2024)
Projected traffic17,960 by 2044
Trucks12%
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 Boxelder Ck built?

It was built in 1973, making it 52 years old in 2025.

What condition is I090 W over Boxelder Ck 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 September 2024.

How much traffic does I090 W over Boxelder Ck carry?

About 12,395 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is I090 W over Boxelder Ck?

The structure is 306 ft (93.3 m) long with a longest span of 53 ft (16.2 m) and a deck 43 ft wide.

Who owns I090 W over Boxelder Ck?

It is owned by the State Highway Agency.