SAO PAULO, April 11 (Reuters) - Brazil's Grupo EPR on Thursday won a concession auction to operate a federal highway connecting Brazilian cities Belo Horizonte and Juiz de Fora, both in Minas Gerais state, with expected investments of more than 8 billion reais ($1.58 billion) during a 30 year contract.

The firm presented the higher toll discount, at 11.21%, in an auction in Sao Paulo, wining the right to operate the 232.1 kilometers (144.2 miles) stretch of highway.

Brazil's Grupo EPR is a partnership between infrastructure firm Equipav and asset manager Perfin.

Brazilian operator of infrastructure concessions CCR was among the other two bidders.

(Reporting by Alberto Alerigi and Andre Romani in Sao Paulo Writing by Steven Grattan Editing by Chris Reese and Matthew Lewis)