Odds of Getting In
Your odds are good. Really good. There are almost always gigs for good drivers. And the good news for many is that you don't need to have an opinion on Chaucer or equivalent inequalities or know what The Missouri Compromise was all about.
Why so much demand? Well, over time, this country grows. More people, more demand, more need for delivered lettuce heads, watermelons, and toys for good girls and boys. And truckers burn out, wash out, get bored, do other things, and so on.