Bridges...

After looking into architecture and realising that it is possibly to broad to define a 10 .....  within it, and deciding that I needed a focus or a specific structure I looked into bridges. With the history and obvious visual references to the different structures its a really interesting subject matter to work with especially using motion graphics. I still want to approach it from an architectural perspective, looking at the different functions and movement of the worlds most intuitive bridges. This post simply explores the different definitions and functions of a bridge and what different directions I could take by again narrowing down the subject matter for a more manageable content.

Definitions
- a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc
- a circuit consisting of two branches across which a meter is connected
(4 arms arranged in a diamond configuration)
- Something resembling a bridge in form or function
- The hard ridge that forms the upper part of the nose
- Any of various card games based on whist for four players
- A wooden support that holds the strings up
- A denture anchored to teeth on either side of missing teeth
- The link between two lenses; rests on the nose
- An upper deck where a ship is steered and the captain stands
- Connect or reduce the distance between

Related words
structure, construction, arch, pier, connection, link,

Types of bridges
Bailey bridge - a temporary bridge designed for rapid construction
cantilever bridge - bridge constructed of two cantilevers that meet in the middle
Cattle guard, cattle grid - a bridge over a ditch consisting of parallel metal bars that allow pedestrians and vehicles to pass, but not cattle
Covered bridge - a bridge whose passageway is protected by a roof and enclosing sides
Drawbridge, lift bridge - a bridge that can be raised to block passage or to allow boats or ships to pass beneath it
Footbridge, overcrossing, pedestrian bridge - a bridge designed for pedestrians
overpass, flyover - bridge formed by the upper level of a crossing of two highways at different levels
pontoon bridge, bateau bridge, floating bridge - a temporary bridge built over a series of pontoons
Rope bridge - a bridge consisting of ropes
Steel arch bridge - a steel bridge constructed in the form of an arch
suspension bridge - a bridge that has a roadway supported by cables that are anchored at both ends
toll bridge - a bridge where toll is charged for crossing
trestle bridge- a bridge supported by trestlework
truss bridge - a bridge supported by trusses
viaduct - bridge consisting of a series of arches supported by piers used to carry a road (or railroad) over a valley