Minnesota Department of Transportation

511 Travel Info

Airport Road Roundabout

Including County Road 8 Extension and Red Lake River Bridge

County Road 8 / Airport road roundabout

Map of county project to build a roundabout and new bridge on county road 8
Pennington County is constructing a new bridge and roundabout on County Road 8/Mark Boulevard

*These projects are led by Pennington County.

Summary of work

  • Route reconstruction and extension/connection of County Road 8/Mark Boulevard
  • Construct new bridge on County Road 8/Mark Boulevard over the Red Lake River
  • Construct a roundabout on County Road 8/Mark boulevard at the intersection of Pennington Ave S/Airport Rd near Challenger Elementary School

Stay up to date

Weekly email update

Review what's happened in the past week and what's coming up next week here. Receive these updates in your email here.

Weekly meetings

A virtual public meeting occurs at 10 a.m. every Tuesday for the Thief River Falls community and business owners to learn about the latest updates for all of the projects happening in the area.

Attendees can join the meeting online or call on a phone. Both ways allow attendees to listen to the project team. With the online option, presentation materials can be viewed.

Comments and Questions

Use the Comment form to submit comments or questions.

Traffic impacts

Detour map for county projects on county road 8
Detour map for projects on County Road 8.


  • The road doesn't currently connect on County Road 8, so there aren't any new impacts with this new construction.


  • Detour onto Greenwood Street, Hwy 59 and 140th Street Northeast

Interactive detour map

Use this map to zoom into the projects and detour info. You can also refer to 511mn.org for real-time traffic and detour information.