I'm not sure if this is feasible and certainly it would be more of a process than 'building some kind of dam'. A few reasons: - The bridge spans 2700m and the

I'm not sure if this is feasible and certainly it would be more of a process than 'building some kind of dam'. A few reasons: - The bridge spans 2700m and the channel is 350+ feet deep in some spots. For scale, the Three Gorges Dam is 2300m long - Sea levels will rise so incrementally that a massive public works project might seem unnecessary or hard to get support for - Shipping traffic needs to be able to pass through to get to the port of Oakland, Richmond, Stockton, etc...