11 and as soon as all of them had crossed, the ark of the LORD and the priests came to the other side while the people watched.

Read Joshua 4:11 Using Other Translations

And it came to pass, when all the people were clean passed over, that the ark of the LORD passed over, and the priests, in the presence of the people.
And when all the people had finished passing over, the ark of the LORD and the priests passed over before the people.
And when everyone was safely on the other side, the priests crossed over with the Ark of the LORD as the people watched.