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Upcoming SNF road closures in Gunflint & Kawishiwi Ranger Districts to improve safety and access of forest infrastructure

Apr 28, 2026 10:41AM ● By Content Editor

Photo: Zac Gudakov


From the Superior National Forest - April 28, 2026


The Superior National Forest will temporarily close two sections of National Forest System roads for public and contractor safety while construction projects occur. Additionally, other road projects will cause intermittent delays while culverts are replaced, and ditch work is completed.
 

What’s Planned

Two-week temporary closures

  • Forest Road 304–Kimball Creek Road on the Gunflint Ranger District will have a new large culvert installed. Construction is scheduled to begin this summer and the complete closure will last approximately two weeks. No recreation sites are impacted from the closure.
  • Forest Road 459–Grassy Lake Road on the Kawishiwi Ranger District is scheduled to have a large culvert replaced, beginning in October 2026. Access to Boundary Waters Canoe Area Wilderness Mudro Lake entry point from this roadway will be impacted. The temporary closure is planned for two weeks with intermittent closures outside of that period. Pre-notification project letters were sent to property owners this winter. Two alternative routes are identified on the project map. Permit holders planning to exit at Mudro Lake after September 30, 2026, will receive an email regarding alternative parking options.
Intermittent closures
  • Forest Road 152–South Brule River on the Gunflint Ranger District is scheduled for work to replace an aging bridge with a new one. The project will begin in the spring and continue into the fall. A temporary bypass is planned to help travelers move around the construction area. No recreation sites are affected.
Please visit the forest’s website https://www.fs.usda.gov/r09/superior/alerts for schedule information for specific roads and maps. 

We understand that these updates may cause some inconvenience to your everyday and vacation travels and appreciate your understanding and cooperation. For questions, please contact the corresponding district office. Office information is on our website at. fs.usda.gov/r09/superior/offices. Project updates will be posted to our social media platforms Facebook and X.


About the Forest Service: The USDA Forest Service has for more than 100 years brought people and communities together to answer the call of conservation. Grounded in world-class science and technology– and rooted in communities–the Forest Service connects people to nature and to each other. The Forest Service cares for shared natural resources in ways that promote lasting economic, ecological, and social vitality. The agency manages 193 million acres of public land, aids state and private landowners, and maintains the largest wildland fire and forestry research organizations in the world. The Forest Service also has either a direct or indirect role in stewardship of about 900 million forested acres within the U.S., of which over 130 million acres are urban forests where most Americans live. 
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