Travis and Audra thank you for your response. The graphic above is what I'm inquiring about. ------------------------------ Dean Smith PE, SE Chief Structural Engineer Quandel Consultants, LLC Barrington IL ------------------------------

Are you saying two boxes precast with space between? I’ve used for rail clsm poured btw --------------------------------- Audra Rodgers PE VP, Central Transportation Structures Division Manager AECOM Omaha NE ---------------------------------

Dean, I have not seen these used under a railroad before. The primary concern I'd have is sealing the joint at the vertical and horizontal joint. Sorry for not being much help. ------------------------------ Travis Schafer PE Senior Engineer ...

I've seen them on roadway projects but I'm looking to see if any railroad has adopted their use. ------------------------------ Dean Smith PE, SE Chief Structural Engineer Quandel Consultants, LLC Barrington IL ------------------------------

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