Explore Products
LARSA 4D Bridge Series
LARSA 4D Structure Series
LARSA 4D Bridge Rating

Selected Features

LARSA 4D Section Composer

For modeling cross-sections, including standard, parametric, nonprismatic, and custom shape sections.

LARSA 4D Steel Bridge Module

Standard in all LARSA 4D BRIDGE Series products.

Staged Construction Analysis

Used for segmental construction or any staged construction project.

Recent Projects

Arbour Stone Bridge

A twin-arch steel pedestrian bridge designed by Infinity Engineering in Alberta, Canada.

Lake Hodges Bridge

The world’s longest stress ribbon bridge in San Diego, California, designed by T.Y. Lin International.

Pitt River Bridge

A twin tower cable-stayed bridge in British Columbia, Canada, designed by International Bridge Technologies.

4D News

LARSA 4D Version 7.7 Released

An update to LARSA 4D is now available. March 5, 2013

Updated Manuals for Bridge Projects

The introductory and advanced manuals for bridge projects have been updated for LARSA 4D 7.5, and a new manual on seismic and dynamic analysis is now available. See the documentation page. Nov 21, 2012

LARSA 4D Journal: March 2012

The LARSA 4D Journal: March 2012 is out, featuring the Arbour Stone Bridge by Infinity Engineering Group and LARSA's Steel Plate Girder Design Module. March 15, 2012

Introducing LARSA 4D Bridge pLT

LARSA 4D Bridge pLT is our new entry-level package for the analysis and design of bridges, especially steel girder bridges. For more, see the BRIDGE Series.

LARSA 4D Publications

View the complete list of LARSA 4D publications including 4D Journals and product tutorials on our publications page.