NEW YORK (Standard&Poor's) Dec. 23, 2010--Standard&Poor's Ratings Services has revised its outlook on Mid Bay Bridge Authority (MBBA or the authority), Fla.'s senior-lien revenue bonds outstanding to stable from negative. At the same time, Standard&Poor's assigned its 'BBB-' rating to the authority's pro forma $145 million series 2011A springing lien revenue bonds and its pro forma $70 million series 2011B springing lien revenue refunding bonds, which it is issuing to fund the capital plan (series A) and refund certain bonds outstanding (series B). Standard&Poor's also affirmed its 'BBB+' rating on MBBA's senior-lien bonds outstanding. "The revision reflects our view of the clarification of the authority's capital plan to a level that we