A practical field guide for Build a Bridge: map your span, understand support materials and keep up with verified game changes.
The official listing names these support materials. We avoid invented strength figures and focus on their confirmed place in progression.
The first support material named in the official game description. Use it while learning how beams transfer vehicle weight.
Read material guide →Stage 02A support material named by the developer after Wood. It is presented as part of the game's bridge-strengthening progression.
Read material guide →Stage 03The final support material named in the official description, intended for later bridge-building progression.
Read material guide →