It looks like you're looking for the . CSI Bridge is the leading software for bridge analysis, design, and rating from Computers and Structures, Inc. (CSI).

The manual outlines rigorous seismic capabilities:

For an official and comprehensive "paper" or guide, the CSI Analysis Reference Manual

Here’s how you can access the official user manual:

While the manual includes screenshots, they are often small or in black and white (in PDF versions). In a software heavily reliant on 3D modeling and complex rendering (like tendon profiles or traffic lane definitions), more high-quality, annotated visuals would significantly improve comprehension.