 According to the Prose Edda , the bridge ends in heaven at Himinbjörg , the residence of the god Heimdallr , who guards it from the jötnar . The bridge 's destruction during Ragnarök by the forces of Muspell is foretold . Scholars have proposed that the bridge may have originally represented the Milky Way and have noted parallels between the bridge and another bridge in Norse mythology , <unk> . 
