The most serious form of assault is assault with a weapon. Depending on the nature of the weapon used and your relationship with the victim, you could face charges ranging from aggravated battery to attempted murder.
What is Aggravated Assault? Under Utah's criminal code 76-5-103, one person is found guilty of committing aggravated assault if he/she uses a dangerous weapon or any other means of force which will produce death or serious bodily injury.
(1)Aggravated assault is an assault (as defined above) or a threat, accompanied by a show of immediate force or violence, to do bodily injury to another that includes the use of: a dangerous weapon, or other means or force likely to produce death or serious bodily injury.
Penalties for Aggravated Assault in Utah 2nd Degree Felony: 1-15 years in prison, $10,000 fine. 3rd Degree Felony: 0-5 years in prison, $5,000 fine.
To answer your question, yes, you can bail yourself out of jail. However, most people choose to be bailed out by a loved one using a bail bond company. Either way, the process is the same, whether you or a loved one chooses to bail yourself out.