Pittsburgh’s top engineer said concerns about steel trusses spurred the closure this weekend of the Panther Hollow Bridge in Schenley Park. Eric Setzler, the city’s chief engineer, could not ...

[Photo by Liu Boqian/For chinadaily.com.cn] Huajiang Grand Canyon Bridge in Guizhou province completed its first steel truss lift on Monday, marking a major step toward next year's scheduled opening.