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Bridge Work

Bridge Work

A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or railway) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually something that is otherwise difficult or impossible to cross.

Types of Bridges
are of two general types: fixed and movable. Fixed bridges are usually classified by their basic geometry such as arches, trusses, beams, girder, suspension and cable stayed. Steel has been used in the construction of bridges for many years. Many small bridges today are constructed using concrete beams.
In this post, we will walk you through the process of building a structure, beginning with the first planning stages and ending with the final touches. Using these essential requirements, you will be able to organise your building construction work in a manner that is both effective and desirable.

Bridge Types And How They Work

Bridges come in many shapes and sizes. When you consider the types of materials used, the style of construction and the main use of the crossing, you find that bridges can take many forms. Bridges can be simple wooden beams over small streams or massive steel and concrete suspension structures crossing miles of open water and shipping channels. The best-known bridges in the Portland area span the Willamette and Columbia rivers, but there are also smaller structures that cross the Sandy River, Johnson Creek, Beaver Creek and other waterways, as well as roads, highways and railroads.
morrison bridge
View of Morrison Bridge from SW.
Bridges are of two general types: fixed and movable. Fixed bridges are usually classified by their basic geometry such as arches, trusses, beams, girder, suspension and cable stayed. Steel has been used in the construction of bridges for many years. Many small bridges today are constructed using concrete beams. Suspension bridges, whose decks are suspended from cables and towers, are used in locations where it is difficult to place piers. The St. John's Bridge is an impressive example of a steel suspension bridge.
Movable bridges are more complex structures having machinery for opening a portion of the bridge, allowing the passage of ships or other traffic through the bridge. Movable bridges are usually constructed at sites where there is not sufficient room or clearance for the construction of a larger structure. Types of movable bridges include vertical lift, swing and bascule.

Responsibilities
  • Ensure that all the required parts for assembly are present.
  • Mark cutting lines on material.
  • Confirm that all parts are properly fitted, aligned, and screwed in.
  • Ensure that quality control standards are met.
  • Maintain a production schedule.
  • Test products for their functionality.
  • Deck Slab