CA’s FRP bridge replaces temporary New York City structure

CiMFeb20News - CA
CiMFeb20News - CA

Manhattan has an estimated 1.63 million people living in 23 square miles, making the New York borough one of the most crowded places in the US.

In 2017 Lower Manhattan Development Corporation and the Battery Park City Authority chose Composite Advantage’s (CA) FiberSPAN fibre reinforced polymer (FRP) pedestrian bridge system to replace the temporary structure installed after the attacks on September 11, 2001. The FRP West Thames Street crossing spans 230ft over six-lane West Street and Hudson River Greenway, giving pedestrians a direct connection to Battery Park City from the Financial District.

The FRP pedestrian bridge is the first of its type in New York City, sporting a glass roof, lighting and an elevator and stairwell at each end. Comprised of 16 panels, the FRP decking is supported by a two-span steel lenticular truss bridge. CA designed the structure to meet performance requirements that included a 90psf live load and a deflection rating of L/360. Deck area totalled 3,482ft2, with deck panel dimensions of 12.9ft by 12.9ft, a deck depth of 4 in, and a deck weight of 8.4psf.

“We’re seeing an uptick in use of FRP on signature pedestrian bridges,” said Scott Reeve, president of Composite Advantage. “Corrosion resistance, light weight and the design flexibility of FRP make it an attractive option. But we’re also finding that our FRP bridge products are being adopted because they are becoming a robust conduit for helping people make connections in congested urban areas.”

FiberSPAN bridge deck features included curbs, access to utilities underneath, and a long lasting, non-slip overlay of quartz aggregate polymer. The prefabricated FRP decking travelled from Ohio to Red Hook, Brooklyn where it was installed on the West Thames Street pedestrian bridge. The fully assembled structure then travelled by barge to Battery Park City where it was installed overnight with minimal traffic disruption. The West Thames crossing opened to the public in late 2019.

www.compositeadvantage.com

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