Golden Gate Bridge to a site near the bridge. In May 1987, as part of the 50th anniversary celebration, the Golden Gate Bridge district again closed the bridge to automobile traffic and allowed pedestrians to cross the bridge. However, this celebration attracted 750,000 to 1,000,000 people, and ineffective crowd control meant the bridge became congested with roughly 300,000 people, causing the center span of the bridge to flatten out under the weight. Although the bridge is designed to flex in that way under heavy loads, and was estimated not to have exceeded 40% of the yielding stress of the suspension cables, bridge officials
Friar Gate Bridge Friar Gate Bridge Friar Gate Bridge, also known as Handyside Bridge after the company that built it, is a railway bridge at the end of Friar Gate in the centre of Derby in the East Midlands of England. The bridge is a remnant of the GNR Derbyshire and Staffordshire Extension (known locally as the Friargate Line); it formed the approach to Derby Friargate railway station. It is a grade II listed building. The bridge was built in 1878 by Andrew Handyside and Company, a Derby-based iron foundry firm, to the design of Richard Johnson, the Great Northern Railway's chief engineer