US Bridges

I090 E over Wolf Ck

Fair

Hanson County, South Dakota · 0.9 W Mccook CO Line · Structure no. 000000031170126

Built
1964
61 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
6,380
2024 count
Owner
State
State Highway Agency

About this bridge

I090 E over Wolf Ck is a prestressed concrete stringer/multi-beam or girder carrying I090 E over Wolf Ck in Hanson County, South Dakota. It was built in 1964, so it is 61 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 6,380 vehicles a day, roughly 22% of them trucks, projected to reach 10,227 by 2044. The structure is 102 ft (31.1 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI090 E
CrossesWolf Ck
Location0.9 W Mccook CO Line
RouteInterstate 90
Coordinates43.66533, -97.62497
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length102 ft (31.1 m)
Longest span31 ft (9.6 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,380 (2024)
Projected traffic10,227 by 2044
Trucks22%
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 Wolf Ck built?

It was built in 1964, making it 61 years old in 2025.

What condition is I090 E over Wolf 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 March 2024.

How much traffic does I090 E over Wolf Ck carry?

About 6,380 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is I090 E over Wolf Ck?

The structure is 102 ft (31.1 m) long with a longest span of 31 ft (9.6 m) and a deck 41 ft wide.

Who owns I090 E over Wolf Ck?

It is owned by the State Highway Agency.