Composite technologies help Harbor Technologies launch new bridge beam

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Last June, Harbor Technologies loaded up a truck and shipped out six bridge beams to Illinois. The composite beams are manufactured using John Hillman’s design, which was recently named one of the Top Ten Inventions at Popular Science magazine’s second annual Invention Awards.

The new fiberglass beams, made exclusively at Harbor Technologies, weigh a fraction of the conventional bridge beam, which is made with concrete with steel rebar inside. Transportation costs of the older-style beams are increasingly daunting as fuel prices rise, each beam demanding a single truck to transport it. As the country’s aging bridges will soon need thousands of beams replaced, the lighter, stronger composite beams are a cheaper, longer-lasting option.

"This is a perfect product, coming onto the market at the perfect time," said Erik Grimnes, marketing manager for Harbor Technologies. "Weighing only a tenth of a conventional beam, it is a greener, more business and environmentally friendly invention."

Harbor Technologies, Inc. was founded in 2003 to meet the growing need for environmentally friendly infrastructure solutions for the marine environment. The company manufactures pilings and dock systems out of composite materials that are lightweight, extremely strong, low-maintenance, cost effective, and with significantly longer life than traditional pressure-treated lumber solutions. For more information, please visit

Harbor Technologies is a member of the Maine Composites Alliance (MCA). MCA is a strategic partner of Maine’s North Star Alliance (NSAI), which Governor John E. Baldacci established in 2006 to spur economic development and create jobs in coastal Maine, where marine-related industries represent the majority of the economic base. This industry-led effort is made possible through a $15 million federal grant funded through NSAI. The competitive grant was awarded in 2007 by the U.S. Department of Labor Workforce Innovation in Regional Economic Development Initiative.