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Fiber-reinforced plastic strengthens a bridge over the Mississippi
The surface of the Hale Boggs Memoria bridge is being revitalized with fiber-reinforced plastic. Source: Vectorply.

Fiber-reinforced plastic strengthens a bridge over the Mississippi

Huval and Associates offered to revitalize the surface of a suspension bridge across the Mississippi River in the parish of St. Charles, Louisiana, with a composite system based on Kevlar and fiber-reinforced plastic.

The Hale Boggs Memorial Bridge connects a town of Destrehan on the east bank to Luling on the west bank. This bridge is 10,699-foot-long, and because of the design features it is more mobile than bridges on the supporting piers. The Louisiana Department of Transportation and Development had to find a solution that provided the most longevity of the renovated bridge surface.

According to Vectorply’s South/Central Region Sales Manager Doug Lachapelle, suspension bridges constantly move, so a typical concrete and steel reinforced surface does not do well by itself and will eventually end up cracking. For this task, Huval and Associates decided to use a composite system utilizing Vectorply’s Kevlar/E-glass hybrid material and a highly adhesive and flexible epoxy resin.

The Hale Boggs Memorial Bridge is the latest infrastructure project involving Vectorply to show the value composites provide in revitalization and repair of structures.

About Olga Yurchenko

Olga Yurchenko
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