a road over swampy or muddy terrain built of logs laid side by side at right angles to the way.
See also: corduroy road
- 1871  He never disturbed Mr. Shepherd's equanimity, whose care and supervision extended to the most minute details, even to that of relaying in bitter cold the pole bridges across the dangerous sloos [sloughs] on the road.
- 1926  We cross another of those earth-covered pole bridges, and climb a diminutive, slaty hill.