score:4
I believe the "launching nose" is meant. http://www.thinkdefence.co.uk/2012/01/uk-military-bridging-equipment-the-bailey-bridge/
Regarding the nose specifically, from the above site: http://farm8.staticflickr.com/7146/6655388167_d1e515d555.jpg http://farm8.staticflickr.com/7171/6655567565_ef3b5c1684.jpg http://farm8.staticflickr.com/7006/6659822101_983436a4dc.jpg
Upvote:4
Bailey bridge Launching nose is used to pull the main bridge girder from one bank to the other. When pulling or pushing , there should be enough counterweight to avoid the launching nose falling down into river.