Beam bridge: Difference between revisions

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	A '''] ]''' is a direct descendant of the ], now more normally made from shallow steel ], ], ], or ]. It is frequently used in pedestrian bridges and for highway overpasses and flyovers hi. As is its ancestor, this bridge is in structural terms the simplest of the many bridge types.		A '''] ]''' is a direct descendant of the ], now more normally made from shallow steel ], ], ], or ]. It is frequently used in pedestrian bridges and for highway overpasses and flyovers. As is its ancestor, this bridge is in structural terms the simplest of the many bridge types.

	Like most bridges that are characterized by how they are supported, beam bridges consist of one horizontal beam with 2 supports usually on either end.		Like most bridges that are characterized by how they are supported, beam bridges consist of one horizontal beam with 2 supports usually on either end.

Revision as of 18:56, 20 April 2008

Beams bridge
This footbridge was made from beams and boards obtained from logs from the surrounding forest.
Ancestor	Log bridge
Related	None
Descendant	Box girder bridge, Plate girder bridge, trestle, truss bridge, moon bridge
Carries	Pedestrians, automobiles, trucks, light rail, heavy rail
Span range	Short
Material	Timber, iron, steel, reinforced concrete, prestressed concrete
Movable	No
Design effort	low
Falsework required	No, unless cast-in place reinforced concrete is used

A beam bridge is a direct descendant of the log bridge, now more normally made from shallow steel 'I' beams, box girders, reinforced concrete, or post-tensioned concrete. It is frequently used in pedestrian bridges and for highway overpasses and flyovers. As is its ancestor, this bridge is in structural terms the simplest of the many bridge types.

Like most bridges that are characterized by how they are supported, beam bridges consist of one horizontal beam with 2 supports usually on either end.

Decorative beam bridges, commonly built from cedar, pine, and redwood, can span a koi pond or country creek. These free standing bridges are usually built as functional walkways or just for decoration.

v t e Bridge-related articles
Structural types	Arch Beam Box girder Bridge–tunnel Burr Truss Cable-stayed Canopy Cantilever Cantilever spar cable-stayed Covered Crib Double-beam drawbridge Extradosed Jet Log Moon Moveable Bascule Drawbridge Folding Retractable Rolling Rolling bascule Submersible Swing Table Tilt Transporter Vertical-lift Multi-way Navigable aqueduct Pile Pontoon Vlotbrug Suspension types Timber Through arch Trestle Truss Tubular Viaduct Visual index to various types
Lists of bridges by type	List of bridges bascule bridges cantilever bridges medieval stone bridges in Germany multi-level bridges road–rail bridges toll bridges vertical-lift bridges List of bridge–tunnels List of lists of covered bridges in North America
Lists of bridges by size	By length Suspension bridges Cable-stayed bridges Cantilever bridges Continuous truss bridges Arch bridges Masonry arch bridges Highest Tallest
Additional lists	Bridge failures Bridge to nowhere
Related	Bridges in art
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