Bascule bridge is currently non-functional for all road traffic and for any marine traffic that would require the bridge be opened due to height: https://www.thewhig.com/news/causeway-wont-be-ready-for-may-1-pspc-says

This has been blocked (all directions) since the end of March 2024. No ETA for repair, but it clearly won't be open for the May 1 start of boat season.