The Bulk Asset Selection button/functionality works in projects/work specs - it should be added to the bulk maintenance workflow change page so a list of structures for selection can be imported, and large numbers of assets are more easily selected for maintenance workflow change.
Reviewing this idea, it was marked planned in the past; however, going through development tasks it doesn't appear to be approved. I'll roll this back to future consideration; I feel that keeping it marked as planned is not true anymore.
link to a video showing why it would help TXDOT