OBM Bridge Wizard

Bridge Wizard is a simple tool which allows novice users to rapidly create a complete 3D bridge model.  Bridge Wizard allows definition of Materials.

It allows users to quickly create complete bridge models by entering just a few inputs. Models can then be adjusted or modified using other OBM tools. Bridge Wizard tool can be found on the Home ribbon tab in the Bridge Setup group.

• Bridge Name:  Unique name for bridge to be created
• Bridge Type:  Select from list of supported bridge types.  One can create the following bridge types:
  • Beam Slab (P/S or RC Concrete Girders)
  • Beam Slab (Steel Girders)
  • CIP Concrete Box
  • RC Slab
• Alignment:  Pick interactively Civil alignment from dgn file, or use the drop down arrow to select or use the option to create a new alignment.

• Bridge Start Station:  Input Bridge Start Station, or if picking alignment, use cursor to click interactively and select station on the picked alignment.
• Alignment Advanced Options:  Specify additional parameters like X, Y, Z , start Tangent direction, radius and hand to generate either straight or circular simple starter alignments.

• Deck:  Select from list. New Templates can be added under Utilities > Libraries.
• Custom Deck:  If this option is selected, specify deck width and deck thickness in master units, rather than selecting a predefined template.

• Span:  The span input can be in two formats:  L1 L2 L3 or L1 2@L2  
• Beam Spacing: Can be entered in two formats:
  • RS S1 S2 … where RS is spacing from deck edge and S1 S2 are beam spacings or
  • NumberOfBeams@S1 

Example: 5@6.5 will place 5 beams at 6.5 ft spacing. Edge distances will be computed symmetrically based on deck template width.

• Beam Template:  Select from list. New Templates can be added under Utilities > Libraries
  • Build-Up-Beam: If Bridge type is Steel girder, input the Web and Flange dimensions. Both top and bottom flanges are assumed to be the same dimensions.
• Abutment Template:  Select from list. New Templates can be added under Utilities > Libraries
• Pier Template:  Select from list. New Templates can be added under Utilities > Libraries
• Barrier Templates (Left and Right):  Check the box and select from List.
• On the Materials tab, you can specify material properties for various bridge components. The materials come from the Material library, and include both cost and structural properties.