Library

Versions of Generic masonry viaduct, 4 arches, 20 ft spans

Published versions never change. A new license, new data or new geometry is always a new version; people who used an older one keep it.

Drawing	Version	Change	License	Status	Published
	Version 2	GeometryAdded 5 piers with base courses, 4 round arches with ring lines, spandrel walls, a string course and coped parapets along the deck (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026