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MnDOT - Highway 67 Granite Falls to Echo Project

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    Highway 67 Granite Falls to Echo Project

    MnDOT – Virtual Open House

    Welcome to Highway 67 virtual open house! To prevent the further spread of COVID-19, the Minnesota Department of Transportation indefinitely postponed all public meetings and in-person events. Public engagement on transportation and construction projects remains a priority and we appreciate you joining us online to learn more about this project.

    Continue clicking through these slides to learn more about the current situation and why MnDOT is recommending to reroute Highway 67.

    Cracked roadway on Highway 67


    Click the image above to enlarge.

    How to Navigate

    • Click the arrows on the right of your screen to go forward or the left to go backward.
    • Use the navigation bar on the top of your screen to revisit any part of the meeting.

    How to Participate

    • Click through all six slides to learn more about the next steps of the reconstruction project.
    • Complete the survey questions on the "Potential Solutions" slide to provide input to the project team.
    • Provide a comment at any point by clicking the “Comment” button at the top right of your screen. You may close the form to continue through the slides. Once finished, please make sure to hit "Submit" to confirm that your comment is sent to the project team.

    Introduction Video

    Learn more about issues on Highway 67

    Watch the Video

    Overview

    Project facts, location and timeline of work

    • In spring 2019, MnDOT closed a portion of Highway 67 between Granite Falls and Echo.
    • The roadway is built along a slope near the bend in the Yellow Medicine River.
    • The roadway is unstable due to movement of the earth underneath.
    • This road carries about 400 cars per day.

    Detail of a crack on Highway 67


    Click the image above to enlarge.

    Project Area Map

    Highway 67 project area


    Click the map to enlarge.



    Project Schedule

    High-level project schedule


    Click the schedule to enlarge.

    Current Situation

    Above-ground observation and underground assessment

    Roadway Issues

    Road improvements icon
    • MnDOT observed cracking in the pavement along Highway 67 in the project area and significant ground movement along the Yellow Medicine River.
    • The ground underneath Highway 67 roadway is unstable
    • MnDOT is looking for your feedback on two options to reroute Highway 67 between Granite Falls and Echo.

    Pavement Cracking

    In April 2019, MnDOT observed cracking in the pavement along Highway 67. MnDOT closed the roadway and continued to monitor the cracking, which continued to worsen. Monitoring movement in the hillside was MnDOT’s first step in determining the options for Highway 67.

    A cracked section of Highway 67


    Click the image above to enlarge.


    Ground Movement

    In addition to the cracking in the pavement, MnDOT also observed significant ground movement along the Yellow Medicine River, located downhill from the roadway. The cracks in the ground at the river level show the scale of movement.

    A cracked section of Highway 67


    Click the image above to enlarge.

    Topographic Conditions

    As a next step, MnDOT further analyzed the ground conditions near the closed portion of roadway. The analysis showed that the ground in this area has a history of movement due to its location near the river bend, drainage characteristics and soil types. The images here show a topographic view of the area. Note the bowl shape along the bend of the river in the images below. The ground is unstable 50 to 85 feet below the road at various locations.


    A topographic map of the area A diagram of the problem slope


    Click the images above to enlarge.

    Potential Solutions

    Exploring alternatives for Highway 67

    MnDOT worked throughout 2019 to identify several potential solutions for Highway 67. The solutions considered included:

    • Repairing the roadway in place
    • Realigning the roadway along the existing route
    • Rerouting Highway 67 via other roadways
      • Reroute on County Road (CR) 18
      • Reroute on County Road (CR) 2

    View the Potential Solutions Map shown here to see all of the initial solutions evaluated for Highway 67. Continue clicking through the presentation to see the recommended solutions and then provide your input to the MnDOT project team.

    Potential Solutions Map

    Map showing the locations of all solutions explored


    Click the map to enlarge.

    Repair and Realignment Alternatives

    Potential solutions explored

    MnDOT evaluated the potential solutions and determined that repairing or realigning the roadway are not feasible options due to:

    Road improvements icon for Granite Falls

    High cost of the project. The ground is unstable 50 to 85 feet below the road at various locations. Repairing the roadway in place would cost roughly $30 million.


    Road improvements icon for Highway 67

    Significant impacts. The impacts to the environment and the historic and cultural sites are high because of the level of construction required to stabilize the ground.

    Repair and Realignment Map

    Repair and realignment challenges map


    Click the diagram to enlarge.

    Reroute Alternatives

    Potential solutions explored

    MnDOT evaluated two nearby options to reroute Highway 67 between Granite Falls and Echo, and is looking for your feedback.

    Reroute icon for Granite Falls

    Both reroute options are low-cost, have low impacts to the environment and cultural areas, and will not significantly increase travel time for travelers between Granite Falls and Echo.


    View the Reroute Options Map below to explore the reroute options and then tell us what you think.


    Reroute Options Map

    Highway 67 detour area map


    Click the image above to enlarge.

    SURVEY – Reroute Options

    Additional Feedback

    Provide comments at specific locations near Highway 67 on the interactive map below

    COMMENT MAP – What else should we know about the area?


    Alternately, you may submit a comment using the comment button in the top right corner of your screen.


    Stay Connected

    Thank you for your interest in Highway 67 Granite Falls to Echo project

    Sign Up

    Project website icon

    For more information and to sign up to receive project updates, please visit: www.dot.state.mn.us/d8/projects/hwy67granitefallstoecho


    Comment

    Make a comment

    To submit a general comment or question for the project team, click on the comment button in the top right corner of your screen.


    Connect

    Facebook icon

    Join the Facebook group:
    MnDOT | Southwest Minnesota


    Share

    Please pass along the link to this virtual open house to your family, friends and coworkers that use Highway 67 in this area so they are informed and can provide input and sign up for email updates.


    Contact the Project Team

    Cody Brand, Project Manager
    cody.brand@state.mn.us | (320) 979-4720


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