Vertical caving terminology and methods > Ladders, climbs and older techniques
A relatively rigid structure used to cross a gap such as a shaft or traverse, which is typically supported at each end of the gap. In most cases, a bridge will be crossed by walking over it, but some may be sat on. The vast majority of bridges will be fixed aids, due to the weight of the structure's materials. A bridge will often be fairly minimal, and will not have barriers to prevent falling, so it will often need a traverse line for protection. Because of the strength and size required by rigid structures, the use of bridges is restricted to caves or mines with relatively easy access, typically with large passages. Bridges may be made from scaffolding, stemples or rigid ladders. However, bridges made out of woven rope, or suspended wooden planks are occasionally encountered.
A type of natural.
Verb; bridging over a gap.
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