|name=Marble Bridge - Support
|image=none
|main=*180 90 [[Marble brick]]*180 90 [[Mortar]]|foundation=* 60 30 [[Marble brick]]* 60 30 [[Mortar]]|ballast=* 30 12 [[Rock shards]]|filler=*90 36 [[Rock shards]]
|roadway=*1 [[Marble slab]]
|wall=*10 [[Marble brick]]
|keystone=no
|result=*Bridge Support
|skill=Masonry