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Cantilever sidewalk Lead photoFRP cantilever sidewalks expand user experiences from a narrow crumbling concrete sidewalk hugging vehicle traffic to a wide sidewalk safely separated from cars and trucks. The key is lightweight decking that is strong enough to handle crowds of people without putting large dead loads on the vehicle bridge. Pedestrians want to be separated from motor traffic whenever possible. Reducing the width or number of vehicle lanes to accommodate a pedestrian walkway is not a safe alternative. Building a separate bridge carries a high price tag, so adding or expanding sidewalks on vehicle bridges with lightweight technology is an ideal solution.

An FRP cantilever sidewalk consists of decking panels on steel or FRP supports that attach to a vehicle bridge’s exterior beams. FRP decking is 80 percent lighter than reinforced concrete panels. Prefabrication makes construction quicker and installation costs lower. Owners reap long term savings thanks to the natural corrosion resistance and low maintenance of FRP material.

More FRP Sidewalk Decking Options

Creative Composites Group offers a number of decking options that can be used to fabricate cantilever sidewalks. When selecting the best option, the Group’s designers consider criteria such as pedestrian and vehicle operating loads, sidewalk width, support span, specified design features and installation limitations. The design flexibility of FRP means the ability to develop the best configuration for a bridge owner’s needs. Pultruded decking—similar in width to timber planking—lasts decades longer than wood. Large panels that use infusion molding to incorporate design features, such as a cross-slope and curbs, offer another approach. Both fabrication methods provide superior performance, lightweight and corrosion resistance. For more details on product options, read our blog on this topic. 



What Sets FRP Apart?

  • Lightweight FRP deck construction allows design engineers to tie into existing bridges with minimal increase in structural load.
  • Weighing 80 percent lighter than reinforced concrete panels, FRP decking provides a dead load of just 4 to 9 psf. The engineered FiberSPAN system consists of stringers, deck, and railing that weigh as little as 13 psf
  • Prefabrication accelerates construction, delivers high-quality parts, and reduces installation costs.
  • Safe, ADA compliant walkways are equipped with a non-slip overlay in many color choices.


Bridges are increasingly being shared by both vehicles, pedestrians and cyclists. In order to keep everyone safe, cantilever sidewalks can be installed which don’t impede the flow of traffic and keeps cars and pedestrians separated and safe.

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Need more information?

Creative Composites Group provides a comprehensive range of standard and customized FRP products to meet your project needs. Looking for more information about how we can help bring your project to life? Download our resource, Cantilever Sidewalks & FRP: The Path to Pedestrian Safety on Bridges, or contact our staff of expert engineers today.

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Cantilever Sidewalk Resource Library