Exhibit 24

POWER OF ATTORNEY

The undersigned Directors of Valmont Industries, Inc., a Delaware Corporation, hereby constitute and appoint Stephen G. Kaniewski as attorney-in-fact in their name, place and stead to execute Valmont’s annual report on Form 10-K for the fiscal year ended December 30, 2017, together with any and all subsequent amendments thereof in their capacity as Director and hereby ratify all that said attorney-in-fact may do by virtue thereof.

DATED this 28^th day of February, 2018.

/s/ MOGENS C. BAY	/s/ DANIEL P. NEARY
Mogens C. Bay, Director	Daniel P. Neary, Director
/s/ KAJ DEN DAAS	/s/ CATHERINE J. PAGLIA
Kaj den Daas, Director	Catherine J. Paglia, Director
/s/ DR. THEO W. FREYE	/s/ CLARK T. RANDT, JR.
Dr. Theo W. Freye, Director	Clark T. Randt, Jr., Director
/s/ JAMES B. MILLIKEN	/s/ WALTER SCOTT JR.
James B. Milliken, Director	Walter Scott, Jr., Director
/s/ DONNA M. MILROD	/s/ KENNETH E. STINSON
Donna M. Milrod, Director	Kenneth E. Stinson, Director