There is a bridge operator located in a house above the center of the main span. He communicates with the train dispatcher. There are approximately 30 Amtrak trains that cross the bridge each day. The bridge remains open by default and is closed only when a train needs to cross it. Since the train schedule is regular, the bridge operator is only present when needed.
Swing Bridge at New Bridge Landing was created in 1888.
Whitby Swing Bridge was created in 1909.
Wasauksing Swing Bridge was created in 1912.
Alloa Swing Bridge was created in 1885.
Sale Swing Bridge was created in 1883.
Montrose Swing Bridge was created in 1910.
Little Current Swing Bridge was created in 1913.
St. Joseph Swing Bridge was created in 1906.
Rock Island Swing Bridge was created in 1895.
It is surmised that Leonardo da Vinci invented the swing bridge. The swing bridge's simple but revolutionary design helped fortified castles be more easily protected.
No, it is a through arch bridge, although there is a swing bridge that crosses the Tyne just downstream from the Tyne Bridge. Please see the related links for more information.
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