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  1. Thread: wood for bridge

    by Forbes
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    wood for bridge

    Would a 6" thick plank of pressure-treated lumber (standard Home Depot variety 6 x 6 x 12ft) be as strong as a 4" thick piece of solid oak? I need to replace the wood of a bridge on my driveway...
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    wood on driveway bridge

    The end of our driveway crosses a small stream to connect with the street. The bridge consists of 3 metal I-beams, firmly attached to the banks, across which are laid oak planks (4" x 10" x 12'). ...
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