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
West Gate Bridge dual-carriageway freeway bridge. The freeway corridor (including the bridge itself) carries a very high volume and occupancy of traffic, between 180,000 - 200,000 cars / trucks / motorcycles use it per day, according to VicRoads. This makes the West Gate Bridge and West Gate Freeway one of the busiest road corridors in Australia. However, being the only main direct link between Melbourne's CBD and the West, it is frequently congested during the morning and afternoon peaks (despite having 5 lanes in each direction) and is constantly busy 24/7, due to the number and type of vehicles coming in and out