Abstract : This report presents a comprehensive overview of technical information and procedures that are essential for inspecting wood structures and understanding the results. The text addresses wood species characteristics, published structural properties, building code considerations, the effects of environmental factors, and distresses caused by organisms, microorganisms, and nonliving substances such as corrosive chemicals. Inspection procedures covered include guidance on visual identification of wood types, grades, and mechanical stressors; creation of a consolidated wood structure inspection checklist and flow chart; application of qualitative nondestructive field and laboratory tests to determine the basic mechanical properties of the inspected wood materials; and use of qualitative visual inspection procedures that attempt to minimize subjective variations in inspector judgment. This document is intended to support Army personnel tasked with the field inspection of wood structures but is not intended to serve as guidance or a substitute for structural engineering expertise. If the findings of a wood condition inspection raise concerns or questions about structural integrity, then it is essential to seek the immediate assistance of a trained and qualified structural engineer.