For the analysis and design of structures requiring advanced analysis.

With an established 20-year track record on projects throughout the world, LARSA, Inc. provides the most trusted answers for cable-stay, suspension, stressed-ribbon, curved, skewed and other bridge forms requiring geometric or material nonlinearity or a staged analysis.

The LARSA 4D software package consists of an analysis engine with the latest capabilities learned from engineering and software research, a user interface for pre- and post-processing, and design tools.

LARSA software is a company standard at FIGG, HDR, International Bridge Technologies, Parsons Brinkerhoff, Parsons Transportation Group, and T.Y. Lin International.