Major Culvert

A major culvert is a culvert (or more commonly multiple culverts laid side by side) of large enough size to be treated more like a bridge over a water course than a pipe under a road. In a number of Australian states culverts with spans of 6 metres or greater are considered to be major culverts.

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Queensland

The Queensland Grants Commission defines a major culvert as a culvert or culverts with a total span of greater than 6m.

Victoria

The Victoria Grants Commission doesn't specifically define the term major culvert. It states (rather confusingly) that "Bridges and Major Culverts include bridges and major culverts of six (6) metres and over in length (measured along the centre line of the carriageway)."

This could be interpreted as meaning that there are three types of culverts:

Major Culverts (> 6m) - which are considered to be bridges
Minor Culverts - which are considered to be part of the road
Major Culverts (< 6m) - which are ignored all together!!

Maintenance

The VicRoads Road Structures Inspection Manual suggests that major culverts should be the subject of a routine maintenance inspection at least twice a year.

Related Pages

Contributors

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External Links & References

  1. 2011-12 VGC Manual
  2. Google Search
  3. Bridge Culvert Servicing Manual (Queensland Department of Transport and Main Roads)
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