The Bifrost was fully completed fully functional and was used to transport Thor from Muspelheim back to Asgard. Later, on the day of Ragnarok, it was use to carry the Asgardian's to Korg's "Saviour" Ship. And was damaged in the fight between Hulk and Fenris. It was then destroyed after the events of Ragnarok.

When did the Bifrost get destroyed?

The Bifröst, the rainbow bridge that connects Asgard to the other Nine Realms, was destroyed at the end of Thor (2011) by the god of thunder himself to prevent Loki (Tom Hiddleston) from decimating Jotunheim, the realm of the Frost Giants.

What happened to the Bifrost sword?

1 Answer. Hofund was indeed broken in the battle, we see this when Heimdall sends Hulk back to Earth by summoning the Bifrost. That is the last we see of the sword and then the ship is blown up using the Power Stone by Thanos.