I set the four bridges to -55, then had to set the long arch bridge to -20 to raise the end berms. Ground level is at 20ft. I can drive to and over all of the bridges, aon th eopposite shore just where the berm transitions to land, the tank settles into the ground and stops. Move the spawn to both sides of the bridges and the sinking in happens in both directions driving off the bridge. This should be slightly less complicated because these bridges will add another facet of fun to terrains for the Melee arena.
I'll bump ground level up to 30ft and test some more. I feel like I'm building by braille lately how much I'm using the wire frame to verify things.
Under normal circumstances how close to water can a GV drive before it gets stopped?