POWER OF ATTORNEY


         KNOW ALL MEN BY THESE  PRESENTS,  the  undersigned  Director of Valmont
Industries,  Inc., a Delaware corporation,  hereby constitutes and appoints each
of Mogens C. Bay and Terry J.  McClain as his true and  lawful  attorney-in-fact
and agent,  with full  power to act for him in his name,  place and stead in any
and all  capacities,  to do any and all acts and things and  execute any and all
instruments  which said  attorney  and agent may deem  necessary or desirable to
enable  Valmont  Industries,  Inc. to comply with the Securities Act of 1933, as
amended,  and any rules,  regulations  and  requirements  of the  Securities and
Exchange  Commission in respect thereof,  in connection with the registration on
Form S-8 under said Act of shares of common stock of this  corporation  issuable
under the Valmont Employee  Retirement Savings Plan, together with all interests
in such plan, including specifically, but without limiting the generality of the
foregoing, power and authority to sign the name of Valmont Industries,  Inc. and
the  name  of the  undersigned  Director  to  the  registration  statement,  any
amendments (including post-effective amendments) thereto, and to any instruments
and documents filed as part of or in connection with said registration statement
or amendments thereto; and the undersigned hereby ratifies and confirms all that
said attorney and agent shall do or cause to be done by virtue thereof.

         IN WITNESS  WHEREOF,  the undersigned has hereunto signed this power of
attorney this 12th day of July, 1999.


/s/ Robert B. Daugherty                              /s/ Charles D. Peebler, Jr.
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Robert B. Daugherty                                  Charles D. Peebler, Jr.


/s/  Charles M. Harper                               /s/ Bruce Rohde
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Charles M. Harper                                    Bruce Rohde


/s/ John E. Jones                                    /s/ Walter Scott, Jr.
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John E. Jones                                        Walter Scott, Jr.


/s/ Thomas F. Madison                                /s/ Kenneth E. Stinson
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Thomas F. Madison                                    Kenneth E. Stinson