Nicola Rosalind Coulson, 26, of Durlett, Bromham, was disqualified from driving for 17 months after pleading guilty to driving while over the alcohol limit.
Police stopped her Land Rover Discovery in Sand-ridge Hill at 8pm on March 10. She had 66 microgrammes of alcohol in 100ml of breath. The legal limit is 35.
Chippenham magistrates imposed a £90 fine, her weekly pay as a part-time waitress.