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I-90: Kellogg Dips

Repairing the depressions will allow motorists to drive at normal speeds and ensure the integrity of the road base underneath.

Four locations on Interstate 90 began to sink in February 2019, and since then, ITD has partned with several agencies, including the Environmental Protection Agency, to determine the cause and design a permanent fix. Permanent repairs could be constructed this year or next year once water underneath the route stops washing sediments away. In the meantime, crews will continue to monitor the area and adding asphalt as needed to maintain a level surface for drivers.

Permanent repairs
schedule dependent on data analysis
Changing speeds
as conditions change, so will speeds
Road conditions
check 511 for travel information
EPA Research
1
Asset 5
Early April 2019

Temporary Repairs

Another round of temporary repairs is scheduled for Friday, March 29. Drivers can expect single-lane closures during the day while crews are on site.

Repairs schedule
Asset 5
March 2019

Dips are stabilizing

Survey results show that the dips are not settling as quickly. Another round of temporary repairs and more drilling are expected in April.

Project
Updates

Drilling this week (April 8) will help develop permanent repairs by collecting road data. Drivers can expect a single-lane closure on eastbound I-90 during drilling operations.

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