Have you not been to Deer Creek? The upper trails are OK after rain but the first mile or so leaving the parking lot can get pretty sloppy, it's a high clay content soil. So be nice to the trails if it seems bad as you start it might get worse before it gets better. Consider giving it a day or so to dry out. People (and not just bikes as hikers want you to believe) have turned the lower section up to the bridge from singletrack to a 12 foot wide dirt path by walking around the mud. When it first opened years ago it was singletrack all the way to the top of Plymouth Creek trail, even up the Wall. Not anymore.
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“Anyone who believes in indefinite growth in anything physical, on a physically finite planet, is either mad or an economist.” -- Kenneth E. Boulding