From MDOT Request for qualifications:

2.5 ANTICIPATED PROJECT SCHEDULE (Subject to Change)
Post RFQ December 10, 2019
Due Date for RFQ Questions and Clarifications January 3, 2020
SOQ Due January 10, 2020 4:00 PM EST
Anticipated Notification of Selection of CMGC February 7, 2020
Pre-Construction Services Price Proposal Meeting February 13, 2020
Pre-Construction Services Fee Negotiation February 17-19, 2020
Notice to Proceed/Award of Preconstruction Phase March 6, 2020
Development of Plans and Specifications Current – August 2021
Submit CSCP August 27, 2021
Negotiate Final Price / CSCP September 6 – October 8, 2021
Construction Letting (if no final price agreement) November 5, 2021
Begin Construction January 3, 2022*
Complete Construction November 25, 2022
* Start date will be determined during the design phase of the project in order to meet the required completion dates.

On 2/11/2020 Kiewit Infrastructure Co. was selected for the project.