The following is a list of spans, either used for
overhead line crossing
An overhead line crossing is the crossing of an obstacle—such as a traffic route, a river, a valley or a strait—by an overhead power line. The style of crossing depends on the local conditions and regulations at the time the power l ...
s of rivers, sea straits or valleys, as antenna or for
aerial tramway
An aerial tramway, sky tram, cable car, ropeway, aerial tram, telepherique, or seilbahn is a type of aerial lift which uses one or two stationary ropes for support while a third moving rope provides propulsion. With this form of lift, the grip ...
s.
Powerline spans in flat areas with high pylons
At these spans the sag of the conductors is less than the height of the pylons
Powerline spans in mountainous areas requiring shorter pylons
At these spans, the pylons are situated on the tops of mountains, so the topography determines the height of the lines. Because of this it is possible that the span pylons can be lower than the height of the line at point of largest sag.
Antenna spans across valleys
Aerial tramways
Rope Tyroleans
Other
See also
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Architectural structure
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Timeline of three longest spans
References
{{Reflist
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Lists of construction records