The objective of this synthesis is to document state department of transportation (DOT) practices related to the quality processes for bridge structural models. The design of bridges often involves the use of structural analysis models of varying degrees of complexity. A variety of analysis methods and software can be used to create and analyze these models. This process can be quite complex, with significant amounts of input and output data. Quality assurance and quality control are two essential processes for the quality management of bridge analysis models.

Information for this study was gathered through a literature review, a survey of state DOTs, and follow-up interviews with selected DOTs. Case examples of five state DOTs provide additional information on quality processes for bridge analysis models.

Serhan Guner, The University of Toledo, Ohio, collected and synthesized the information and wrote the report. The members of the topic panel are acknowledged on page iv. This synthesis is an immediately useful document that records practices that were acceptable within the limitations of the knowledge available at the time of its preparation. As progress in research and practice continues, new knowledge will be added to that now at hand.

Completed report can be found at NCHRP Synthesis Report 620.