Span Length

70′ 90′ 110′ 130′ 150′ 170′ 190′ Span Length BT48 70′ - 100′ BT60 85′ - 120′ BT72 100′ - 145′ BT84 125′ - 165′ BT90 165′ - 185′

Section Properties (gross)

Typical Girder Spacing – 5ft through 7ft

Product Name Depth (in) Area (in2) Yb (in4) Ixx (in4) Iyy (in4) PLF @ 165
BT48 48" 557 24.5 177736 32986 640
BT60 60" 629 30.3 308722 33202 722
BT72 72" 701 36.4 484993 33418 805
BT84 84" 773 42.3 711733 33634 888
BT90 90" 971 49.0 1242172 73940 1115
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Product Information

Knife River can cast Bulb Tee girders in 48″, 60″, 72″, 84″, 90″ depths, designed for use with a composite concrete field-cast deck

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Standard Design Options

  • Skewed Top Flange applications
  • Cast in inserts or hole for diagraph reinforcing
  • Cast in inserts for mounting utility brackets
  • Top flange/web holes for mounting deck forming brackets
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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 Eric Holje

Eric Holje

Bridge Estimator

phone

(509) 536-3323

 linkedin

LinkedIn
Image's Sam Jewell

Sam Jewell

Outside Sales Representative

phone

(541) 221-8599

 linkedin

LinkedIn

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