In brief
Console farms show the bearing system instead of covering it behind a facade.
Useful to know
The railway bridge over the Fort estuary in Scotland was opened in 1890. UNESCO describes it as an important console farm structure whose industrial image is derived from the exposed bearing parts. [1]
On a general view, look for the large repeating structural groups. Then he traced how the smaller elements were incorporated into them. This is a constructional rhythm observation, not a load-carrying calculation. The silhouette is not added as an independent decorative shell: it arises from the way the bridge overcomes the distance.
Sources
For further detail and to check the information: