A Trellis for Runaway Hops

I understand that hops grow as a vine and rely on something vertical on which to reach for the sun. But I put in five varieties favored for brewing IPAs and-- a year later-- have yet to supply them with a trellis. So it is that the five are crawling across the lawn.

The trellis in my mind's eye looks like an arbor, with enough bracing to allow lowering it to the ground when harvesting the fragrant little cones. Here's the plan, needing only cedar and a bit of energy to realize it.