A "steel truss" is a strong and stable structure made of steel beams or bars that are joined together in a triangle or other geometric shape. It is commonly used in construction to support roofs or bridges. Full definition
On Sunday, Governor Cuomo and hundreds of New Yorkers assembled to watch the energetic felling of the old steel truss spans of the Kosciuszko Bridge in both Brooklyn and Queens. (thebronxchronicle.com)
When the museum was unveiled in 1977, some hailed it as a breathtaking architectural achievement; others likened its façade of exposed steel trusses, painted pipes, and glass tubing to an oil refinery. (travelandleisure.com)
On view in Galerie Buchholz will be two fragments of this removed steel truss grid. (galeriebuchholz.de)