The section in question is south/west of I-4 Ultimate's project limits.
It will probably be part of I-4 Beyond The Ultimate.
Managed Lanes: The Ultimate Spending Machine
Otherwise, pavement rarely potholes in Florida, concrete (usually only on interstates), really does seem to last a long time in Florida. If there's not a lot of truck traffic, asphalt can last for a good long while.
Drawbacks are rain, high temperatures, lots of truck traffic, and a soft road bed. If it's not cambered right, standing water pools up in places, causing deterioration (same as anywhere else). Some places have a poorer subsurface than others, and even though there's no visual problem with the pavement itself, it can get "wavy" over time.