Overview
Mistlands_Viaduct2 is a Valheim world location that spawns in the mistlands biome, identified internally as Mistlands_Viaduct2. World generation places up to 150 per world, with terrain constraints (delta 4-40, altitude -1 to 15), and an exclusion radius of 8m, which is why some seeds have far more of them than others. The data tags it as randomly damaged.
About
Mistlands_Viaduct2 is a stone Dvergr viaduct variant found in the Mistlands. It is a decorative landmark and navigation reference.