Difference Between Bridge And Culvert


What Is 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 a railway, roadway, cycle track, footpath, 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:

The bridge has a total span length greater than 6m & less than 60m is known as minor bridge.

Major Bridge:

The bridge has a total span length greater than 6om is called major bridge.

Long Span Bridge:

Long span bridge has a main span length of more than 120m.

What Is Culvert?

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

Drainage structures like culverts are used on highways, streets, and railways to transfer unwanted water from the road. Culverts are permanent drainage structures which are mainly constructed over small streams or canals.

During the road construction, culverts and bridges were built to transfer the water to flow underneath the road to protect the road and the cities.

Difference Between Bridge And Culvert:

1. Bridge is constructed to allow the easy passage of traffic or community whereas a 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.

3. bridge is constructed over an obstruction, 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 a roof, walls, and a floor. The bridge sits on the foundation of each bank (or wing walls) and it does not have a floor.

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7 thoughts on “Difference Between Bridge And Culvert”

  1. Dear sir:
    this very good technical and acdmecal advice for briddge and culvert desiger.
    With Best Regard
    Dip.Eng.Mohammad Hassan Alami

    Reply

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