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A swing bridge (or swing span bridge) is a movable bridge that can be rotated horizontally around a vertical axis. It has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the swing span (turning span) can then pivot horizontally as shown in the animated illustration to the right.
Submersible bridge – also called a ducking bridge, the bridge deck is lowered into the water; Tilt bridge – the bridge deck, which is curved and pivoted at each end, is lifted at an angle; Swing bridge – the bridge deck rotates around a fixed point, usually at the centre, but may resemble a gate in its operation ; road or rail
Articles directly in this category do not have a swing bridge country sub-category in which to place them. Subcategories This category has the following 7 subcategories, out of 7 total.
In music theory, the middle eight or bridge is the B section of a 32-bar form. [6] This section has a significantly different melody from the rest of the song and usually occurs after the second "A" section in the AABA song form. It is also called a middle eight because it happens in the middle of the song and the length is generally eight bars.
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Scale Lane Footbridge is an apostrophe-shaped pedestrian swing bridge in Hull, England. The bridge has a rotating mechanism, allowing it to swing open horizontally, letting vessels pass beneath on the River Hull. It was the first bridge in the world to allow pedestrians to remain on the bridge while it is in motion.
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A contract for the substructure of the bridge was given to American Bridge Company. [6] The pin-connected drawbridge was designed by Alfred P. Boller, an authority on deep bridge foundations, to allow the bridge to pivot/swing, clearing a path for through river travel. [9] The 3 spans of the bridge are all composed of rivet-connecting steel ...