Difference Between Bridge And Culvert


Bridge:

The drainage structure which facilitates a communication route for carrying road or railway traffic across an obstruction or depression with or without water is called a bridge.


The route of communication may be railway, roadway, cycle track, foothpath, or a combination of both of them, and the obstruction may be in the form of a river, stream, valley, channel, road, railway track etc.

Minor Bridge:

Bridge having total span length greater than 6m & less than 60m.

Major Bridge:

Bridge having total span length greater than 6om.

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Long Span Bridge:

Major Bridge having the main span length more than 120m.

Culvert:

A small bridge having total length of 6 m or less between the faces of abutments is known as a culvert.

These are permanent drainage structures which are mainly constructed to carry roadway or railway track over small streams or canals.

Difference Between Bridge And Culvert:

1. Bridge is constructed to allow the easy passage of traffic or community whereas culvert is made for the passage of water.

2. The length of a bridge is always more than 6 m, but the length of a culvert is 6 m or less than 6 m.

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3. bridge is constructed over an obstruction, or depression or freeway, roadway, railway etc,

Culvert is made over small streams or canals.

4. Culvert is usually rectangular or circular in cross-section, having roof, walls and a floor.

Bridge sits on foundation on each bank (or wing walls) and it does not have floor.

Also Read – Structural Elements Of Bridge.

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