"crept to" is a perfectly valid expression in written English.
It is used to denote movement in a quiet, subtle, and stealthy manner. For example: "He crept to the window to get a better view of the sunrise."
Those doubts have also crept to Capitol Hill.
We crept to a blind and hefted it a notch.
We crept to the spot where we'd seen him.
She crept to the cupboard, got a dishtowel, and rewrapped the baby in a smaller bundle.
My son and I crept to a window and peeked through the curtains to watch them.
The tile cutter drew himself to his feet, crept to the fence, and peeked over.
Both of them were packed with regional hits, a handful of which have crept to broader prominence.
In last year's single most alarming sequence, a little boy crept to a bathroom, hearing an intruder.
The Lakers crept to 52-40 at halftime, but they did so by relying almost exclusively on O'Neal.
After one of my parents' dinner parties, I crept to the kitchen and finished off a sherry trifle.
They crept to within 2 points at 68-66 in the third quarter and were then pounded in the fourth.
