Valmont Industries (VMI) 10-K 2010 FY Annual report

Exhibit 24

POWER OF ATTORNEY

The undersigned Directors of Valmont Industries, Inc., a Delaware Corporation, hereby constitute and appoint Mogens C. Bay 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 25, 2010, 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 22nd day of February, 2011.

/s/ Glen A. Barton	/s/ K. R. (Kaj) den Daas
Glen A. Barton, Director	K. R. (Kaj) den Daas, Director
/s/ Stephen R. Lewis, Jr.	/s/ Daniel P. Neary
Stephen R. Lewis, Jr., Director	Daniel P. Neary, Director
/s/ Clark T. Randt, Jr.	/s/ Walter Scott, Jr.
Clark T. Randt, Jr., Director	Walter Scott, Jr., Director
/s/ Kenneth E. Stinson
Kenneth E. Stinson, Director