Conduits Culverts - 51020

Conduits Culverts - 51020

What is Freight Class?

When you ship your products as LTL (less-than-truckload), you have to assign your shipment a freight code. This is a standard code created by the National Motor Freight and Traffic Association which allows carriers to identify qualities of the shipment and assist with transportation logistics.
Ship conduits culverts accurately by using the information below:
Conduits Culverts

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Commodity note:
Aluminum, corrugated, SU, to determine the diameter of Arched Culvert or Pipe, add the span (the longest cross-sectional dimension) and rise (the cross-sectional dimension at the center of the span) of the Arched Culvert and divide by 2, when corrugated Aluminum Culverts or Pipes are nested, the diameter of the outermost culvert or pipe must be used to determine the applicable class rating, also applies on bends, couplings, crosses, laterals, reducers, tees, and wyes. If any of the fittings named herein has more than one diameter, the largest diameter will determine the applicable class rating, diameter in inches as follows:

Subclasses for

Conduits Culverts - 51020

Often, NMFC codes have numerous subclasses. These subclasses are almost always based on how dense the items are.
In this instance, the commodity, conduits culverts, is further broken down in the following subclasses:

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freight subclasses

Subclass Info
Subclass NMFC Code
Freight Class
Subclass Notes
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Please note: This is for educational purposes only. Ultimately, the carrier reserves the right to classify the groups.


What is NMFC code?

The National Motor Freight Classification (NMFC) is the freight classification system devised by the National Motor Freight Traffic Association (NMFTA) and is used for all interstate, intrastate, and foreign commercial movement of LTL cargo. NMFC codes provide standardized freight classes to determine the ease of transport of many of the wide variety of commodities that are shipped together in LTL shipments.

What is the least expensive freight class?

Freight class 50 is the least expensive because it refers to the freight that is easiest to transport for the carriers.

Do all commodities have NMFC freight subclasses?

No, not all commodities have freight subclasses, although many do.