Brookings - Intersection on Interstate 29 & 20th St. South
This project is the construction of a new interstate interchange on the south side of Brookings. This interchange will make traveling south out of Brookings much quicker and less congested.
Location: Intersection on I-29 & 20th St South in Brookings
For additional information about this project, view: https://20thstinterchange.com/
Anticipated Start Date: March 28, 2022
The project is anticipated to be completed during the summer of 2023.
Pedestrian Detour Map:
Traffic Control Map:
Completed Work:The contractor completed work on the bent in the median of I-29. Quite a bit of grading work has been done near the structure including building up bridge ends and the ramps.
Anticipated Work to be completed in August:
The contractor will continue to work on the overhead structure and continue grading operations.
Brookings Register Article 01/12/2022
Brookings Register Article 04/26/2022
Dakota News Now 05/01/2022
Project Press Releases:
July 11, 2022
July 8, 2022
June 28, 2022
May 31, 2022
April 14, 2022
August 8, 2022
L to R: Overview of the bridge construction, bridge piling, grading)
(L to R: Concrete for bent cap, Bridge Piling, Grading)
(Groundbreaking Ceremony 5/11/2022- photo courtesy of the City of Brookings)
Project Contract Amount:
Bowes Construction Inc
Waylon Blasius, Project Manager, 605-692-6342
Jeff Brink, SDDOT Engineering Supervisor, 605-882-5166
2022 CONSTRUCTION PROJECTS PAGE