I have a GEM. I haven't even considered going on the overpass from Spanish Springs.
I worry just going on the bridge over Lake Sumter, those "golf cart" lanes are very narrow! Don't know who designed that bridge, but they should have gone back to civil engineering school!
GEM cars are supposed to go no faster than 25 MPH. If they are set faster than that, then somebody has been fiddling with the governor on the motor. They are NOT ATV's!