"I wouldn't give the current road conditions a second thought for travel next summer."
As far as travel within Alaska ^^^^ this sums it up. There will be road work delays, but that will largely be due to routine works and not EQ repair. Even if the temporary fixes (and the "fixes" are a mix of temporary and permanent) need to be redone, those fixes were completed in 3-4 days in December and would likely easily be "redone" in 1-2 weeks in early May at the worst.
The roads and bridges are now open. Given some of the buildings that were (mostly cosmetically) damaged, one can't call the EQ a "non-event" but roadwise, the impact has been quickly and successfully mitigated.