Ophelia A. Neal was sentenced Tuesday after pleading guilty last month to bank robbery and explosives charges. She had faced the possibility of life in prison.
Neal, a 53-year-old parole absconder, robbed a bank in Clinton Township on April 6.
Police say Neal told bank employees she had a bomb in her cloth bag and demanded money. They say she took an undisclosed amount of money and escaped in a car with a man at the wheel.
Investigators recognized Neal from surveillance images. A bomb squad later scanned the bag and found the alleged bomb was actually cans of spaghetti sauce.
Neal has previous fraud, assault and marijuana convictions.