2x daily 30 mile commute sounds like a (relatively) substantial risk to me? Driving is already more or less the most dangerous activity most people engage in nowadays, tolerated by long acclimatization and sheer utility.
Moreover, people generally perceive things in which they (theoretically) have more control over as safer - You can control/mitigate the risk you undertake as a driver to some extent (drive slower, bigger gaps, etc), not so for a random bridge collapse.
You can get a good sense of this from the equivalence listed immediately after the odds:
>> That's still around a one in 4 million chance any given trip kills you, about the same as 30 miles of driving
So it'd be closely analogous to driving a 30-mile commute twice a day. How much risk do you feel that involves?