Preparations are underway for a military parade Saturday in Washington, D.C., celebrating the Army's 250th anniversary that is projected to cost $45 million and possibly higher because of possible road damage.

Law enforcement agencies are preparing for hundreds of thousands of people to attend a celebration in Washington, D.C., for the U.S. Army's 250th anniversary on June 14, U.S. Secret Service Special Agent in Charge Matt McCool told a press briefing on Monday.

A military parade will roll down Constitution Avenue in Washington, D.C., on Saturday to commemorate the U.S. Army’s 250th birthday.