there is a considerable amount of unused space between the ticketing counters and the east windows. that would be plenty of space for an elevated walkway between gates 10 and 45. been a long time since i was in the old terminal, but if i get the design contract, i'll get right on a design for an interconnect to gates 1 to 9 to the rest of the terminal.
as most already know, i am very much in favor of extending both runways an additional 10,000 feet to make them 747/777 serviceable, for the a380. would have to pave way out to the east to allow ground clearance for those big guys.