Project Summary

In 2011, the old bridge accross Lake Champlain connecting Crown Point, NY. and Addison, VT., was replaced by a new Modified Network Tied Arch concept bridge. During the construction of the new bridge and its support columns, various cargo barges and numerous sectional barges were used with mobile cranes, manlifts, and concrete pump trucks on deck. Argonautics Marine Engineering, Inc. was hired to provide all naval architectural calculations associatded with working with these barges. Also a peer review of the procedures for float-in installation of the span was provided. The bridge opened on November 7, 2011 to the public. 

Scope of Work

The project scope included:

Project Photographs

Photographs courtesy of Flatiron Contructors.

specialists in marine heavy-lift transportation engineering
naval architects
marine surveyors

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Est. 1992

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Check the stability of all barges with mobile cranes on deck for their maximum project lift/reach;
Check the machine lists of the mobile cranes when working on the barges and slewing;
Check the stability of the barges with manlifts on deck;
Check the behavior and stability of various barges loaded with cement trucks and concrete pump trucks;
Check the stability of the various cargo barge loaded with heavy steel bridge girders:
Peer review of the span float-in procedures, using 2 barges.
Mobile cranes on barges working on the new Lake Champlain bridge
Mobile cranes on barges working on the new Lake Champlain bridge