A brig is a structure biggit tae span a gorge, glen, gate, railwey track, river, body o watter, or ony ither pheesical obstacle. Designs o brigs will vary dependin on the function o the brig an the naitur o the terrain whaur the brig is tae be biggit.

The masonry "Bridge of 33 Arches" ower the Zayandeh River is the epitome o Safavid dynasty (1502-1722) brig design. Esfahan, Iran.
The "Story Bridge" in Brisbane, Australie, biggit in 1940 wi modren materials, is an ensaumple o a steel cantilever brig.