An Act to authorize the Burt County Bridge Commission, a public body politic and corporate in the county of Burt and State of Nebraska, to refund the outstanding revenue bonds of said Burt County Bridge Commission heretofore issued to finance the cost of the construction of a bridge, together with the necessary approaches and appurtenances therefore, from a point located in the city of Decatur, Burt County, Nebr., across the Missouri River to a point located in Monona County, Iowa