Thursday, 26 September 2013

10 Spectacular Movable Bridges

image credit: Ian Britton cc

A movable bridge is a bridge that moves to allow passage for boats or barges. An advantage of making bridges moveable is the lower cost, due to the absence of high piers and long approaches. The principal disadvantage is that the traffic on the bridge must be halted when it is opened for passages.

(thanks Bosko)

1 comment(s):

Anonymous said...

Just thank you for this report...