Plan, elevation, and section diagrams depicting load application are given in Figure 1:

Figure 1 - Load application diagrams

Model development

Define and apply loads

Use the Loads > Loads - Point command to define a new point load, as shown in Figure 2:

Figure 2 - Define point load

Use the Bridge > Loads > Point Loads command to assign the previously defined point load, as shown in Figure 3:

Figure 3 - Assign point load

Using a similar approach, define and apply line and area loads.

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The moment diagrams below (Figures 4-6) depict the midspan moment expected.

Figure 4 - Point load moment diagram

Figure 5 - Line load moment diagram

Figure 6 - Area load moment diagram