Ask a Trooper: Be wary when dealing with water-covered roads

Published 6:08 pm Tuesday, March 29, 2022

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By Sgt. Troy Christianson

Question: With spring being here and the melting snow, can you talk about what a person should do when coming across water on roads?

Answer: Flooding can occur when streams and rivers flow over their banks, when dams or levees break, when there is run-off from deep snow or any time there is heavy rainfall. Floodwaters can be found on roads, bridges and low areas. Flash floods can come rapidly and unexpectedly. They can occur within a few minutes or hours of excessive rainfall.

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Do not drive through flooded areas. If you see a flooded roadway ahead, turn around and find another route to get to your destination.

Be cautious, especially at night, when the visibility is limited.

Remember, six inches of water will reach the bottom of most passenger cars, causing loss of control or possible stalling.

Two feet of moving water can carry away most vehicles including sport utility vehicles and pickup trucks.

Even if the water appears shallow enough to cross, do not attempt to cross a flooded road. Water can hide dips, or worse, floodwaters can damage roadways by washing away the underlying road surface.

If there is no other route, proceed to higher ground and wait for the waters to subside.

You can avoid a ticket — and a crash — if you simply buckle up, drive at safe speeds, pay attention and always drive sober. Help us drive Minnesota Toward Zero Deaths. If you have any questions concerning traffic related laws or issues in Minnesota send your questions to Sgt. Troy Christianson – Minnesota State Patrol at 2900 48th Street NW, Rochester MN 55901-5848. (Or reach him at,