Construction to Begin on Interstate 90 Between Hartford and Humboldt

Construction to Begin on Interstate 90 Between Hartford and Humboldt

For Immediate Release: 
Wednesday, March 27, 2024

Matthew Glines, Project Engineer, 605-220-6798

On Thursday, April 4, 2024, reconstruction work will begin on Interstate 90 between Hartford and Humboldt. During construction, two-way traffic with 12-foot width restrictions will be in place and the speed limit will be reduced to 65 mph. This project will include removal and replacement of the concrete pavement on I-90 eastbound lanes and replacement of the bridge at Humboldt,exit 379.

The prime contractor for this $37.3 million project is Reede Construction, Inc. of Aberdeen, SD. The anticipated completion of the project is November 2024.

Find additional project information at

Construction Text Alert Option:

For updates on major traffic changes during the project, subscribe to a free text-in service. To subscribe, text “I90EXIT379” to 605-566-4041. Subscribers can unsubscribe at any time.

About SDDOT:

The mission of the South Dakota Department of Transportation is to efficiently provide a safe and effective public transportation system.

For the latest on road and weather conditions, road closures, construction work zones, commercial vehicle restrictions, and traffic incidents, please visit or dial 511.

Read more about the innovative work of the SDDOT at