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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.
Text relevant to the diagram should be added to its right by continuing it immediately after the last closing brace of the template. Text for a new subject or topic should be started below the diagram by inserting the template {} after the last closing brace and then continuing with text. 2.
mapframe-geomask-fill-opacity – Opacity level of fill outside geomask features, a number between 0 and 1. Default: 0.5 mapframe-zoom – Set the zoom level, from "1" (map of earth) to "18" (maximum zoom in), to be used if the zoom level cannot be determined automatically from object length or area.
The bridge may be stiffened by the addition of cables that do not bear the primary structural or live loads and so may be relatively light. These also add stability in wind. An example is the 220-meter-long (720 ft) bridge across the river Drac at Lac de Monteynard-Avignonet: this bridge has stabilizing cables below and to the side of the deck.
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A moveable bridge, or movable bridge, is a bridge that moves to allow passage for boats [1] or barges. [2] In American English, the term is synonymous with drawbridge , and the latter is the common term, but drawbridge can be limited to the narrower, historical definition used in some other forms of English, in which drawbridge refers to only a ...
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 ...
Infobox templates listed here should also be included in the category buildings and structures infobox templates. Templates that concern a bridge or bridges in an individual country can also be included in a subcategory of buildings and structures templates by country, such as United Kingdom buildings and structures templates.