AMPERA Bridge

Ampera Bridge is a bridge in Palembang, South Sumatra Province, Indonesia. Ampera Bridge, which has become a sort of symbol of the city, situated in the middle of the city of Palembang, the area connects Seberang Ulu and Ilir Across separated by the River Musi. Length: 1117 m (the center of the 71.90 m), Width: 22 m, Height: 11.5 m from the surface of the water, Tower Height: 63 m from the ground surface, distance between the tower: 75 m, Weight: 944 tons.
In the beginning, the middle of the body of this bridge can be lifted to the top of the mast in order not to get caught passing underneath the bridge entity. The center of the bridge can be removed with mechanical equipment, two pendulum weights each about 500 tons in the two towers. Appointment velocity of about 10 meters per minute with a total time necessary to fully lift the bridge for 30 minutes. At the center of the bridge removed, the vessels of 60 meters wide and with a maximum height of 44.50 meters, can pass the River Musi. When the center of the bridge is not removed, the maximum height that the ship could pass under the bridge Ampera only nine feet from the surface of the water.
Since 1970, the activity up and down the middle of this bridge is not done anymore. The reason, the time used to lift the bridge is considered to disrupt the flow of traffic on it.
In 1990, the pendulum weights on the bridge tower was lowered to avoid the collapse of both the burden of this ballast.