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

Erection of twin-arch steel pedestrian bridge 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

LARSA4D Version 7.07.16

LARSA 4D Version 7.07.16 is a maintenance release in the 7.07 series. 7.07 includes updates to the steel bridge module, improvements to nonlinear time history, live load analysis, and more.September 27, 2013

LARSA 4D Version 7.7 Released

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 features the Arbour Stone Bridge by Infinity Engineering Group. March 15, 2012

LARSA 4D Publications

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