re: OB Engineers: Steel Beams to Make a Bridge

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You are talking about doing something completely different with it.

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I understand. These are the standard bridges used by the major timber companies to access timber on their land. I used to be in that business and I can tell you that Weyerhaeuser and Plum Creek and International Paper had hundreds of these on their property. And they have collectively run hundreds of thousands of fully loaded trucks weighing close to 100,000 pounds.

I am trying to install something that will support 20,000 pounds. So, basically, I am looking for something lighter and hopefully cheaper. I totally understand if you wouldn't be comfortable driving over it.