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What is the deflection of 1/4 steel 3x3 angle iron, 16 ft
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I am rebuilding a simple span bridge that failed. Original
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I need a bridge to cross a 16 ft wide stream. If I use I
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I am building a small bridge across a creek, for personal
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Im building a 26 ft bridge, need to know what siz I beam to
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I need to build a bridge over a 16ft bridge i want to use
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hello I am spaning a ditch 40 feet and am going to use 6 I
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