Aetna Bridge Company was founded in 1945 by Hugo R. Mainelli, Sr. a native of Rhode Island. Mr. Mainelli attended Rhode Island State College (now the University of Rhode Island) where he graduated with a bachelor’s degree in civil and environmental engineering. After working for one of Rhode Island’s largest highway and bridge contractors at that time, the entrepreneurial Mainelli endeavored to start his own company with a good friend and colleague. Under their leadership, Aetna Bridge Company grew and prospered due to hard work and an unwavering commitment to integrity, quality and excellence.All vendors and subcontractors are responsible for reviewing any addendums. Please review our Bidding Opportunities page for more information.