Span Length

60′ 70′ 80′ 90′ 100′ 110′ 120′ Span Length BOX33 60′ - 85′ BOX39 65′ - 95′ BOX42 70′ - 105′ BOX48 85′ - 115′

Section Properties (gross)

Product NameDepth (in)Area (in2)Yb (in4)Ixx (in4)Iyy (in4)PLF @ 165
BOX3333"76616.3110483203409880
BOX3939"82619.3168706231700949
BOX4242"85620.8202877243809983
BOX4848"916232832922716691052
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Product Information

Standard box beam design is typically governed by the State, County or Agency design criteria. In the Pacific Northwest using a nominal 4′ wide box beam at depths of 33″, 39″, 42″ and 48″ provides the most cost effective use of the section.

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Standard Design Options

  • Integral precast curb options are available.
  • Slab to Slab connectors: Tie Rods or Weldments
  • Available top of slab finishes: UHPC Driving Surface ready or roughened to receive overlay
  • Rail Post Anchor Connections
  • Utility hangers
  • Integrated abutment and wing wall packages
  • Recesses for bat crevices
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3D Viewer

3D Viewer Tools

 

  • 3D Viewer Functions:
  • Move, Span, Zoom Assemblies
  • Isolate Single Components in View
  • Explode Assembly Single Components
  • Use Markup to Sketch Details
  • General Measurements for Concept
  • Print Views

Need More Info?

We Are Here to Help

 

Have a question, need a budget or detailed schedule?  Knife River sales team is ready to discuss precast solutions for your project.  Reach out to our staff below :

Image's Andy Roberts

Andy Roberts

Outside Sales, ID & MT

phone

509.904.8610

Image's Nikolaus Mixon

Nikolaus Mixon

Outside Sales, OR

phone

541.257.7412

Image's Alex Sari

Alex Sari

Outside Sales, WA

phone

(509) 992-5614

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LinkedIn

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