It should be possible to interlock hovercraft on a moderate size river while they deploy large inflatable pontoons beneath to upgrade carrying capacity for vehicles driving over the hovercraft 'bridge'.
The hovercraft would have a non-skid flat, drivable surface, and be self-driving.
The uberverse (millionaires and billionaires) may find applications for the highly mobile bridge). The underverse (primarily Democrats) would find cause to criticize the uberverse for it.
On some issues the uberverse and underverse share in common cause exploitation on various subjects. It is heart warming to experience near unified domestic hate such as surrounds the Ukraine war to a limited extent. Since the average Russian nuclear device is only 10-15 times more powerful than the Hiroshima bomb, escalating every hostile relations with a nation with 5,400 such packages - approximate parity with U.S. numbers, is nothing for the uberverse or underverse to be concerned about.
