Wait, you're in Beaverton? Dang.

IMO you need to ride a 100k on this bike. I have this super-flat triangle 100k that goes Milwaukie, Kelley Point, Troutdale, Gresham, Milwaukie. 75% MUP, most of the rest is bike lanes. Ride it CW or CCW depending on which way the wind is blowing up or down the gorge.

https://ridewithgps.com/routes/41585...ClokbVUS9M6vX3

There are parts of that route where you'll appreciate being on a budget bike.

There are burritos and beer to be had many places along the way.

These two facts may be related.