Definitions for "Bridgemat"
(also known as "dragline mat", "pontoon bridge", or "skidder bridge") [ Forestry Operations & Water Quality] Some type of heavy panel which can be used in multiple to construct a temporary crossing over streams, ditches or other small waterways during logging operations. Most bridgemats are constructed either of heavy wood timbers or fabricated steel panels. Some new panels are being tested that are built of engineered lumber and/or composite materals. Broad Base Dip [ Forestry Operations & Water Quality] Surface runoff diversions built into the bed of a forest road that consist of a long approach section, a low, out-sloped middle section, and a short terminal section with a reverse grade.