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14 Foot Beam Span Over A CreekFrom: jmetzger@rochester.rr.com Category: Structural Remote Name: 165.170.128.65 Date: 16 Sep 2004 Time: 01:05 PM
CommentsI need to build a fence on top of a beam that will span a creek. I have 4"x4" posts 14 feet apart to support the beam. The fence will be 5 feet high made out of pressure treated wood. That will be the only load on this beam. What size beam do I use? I was planning on either a 4"x6" or 4"x8" pressure treated beam but was told both of them would end up sagging a lot in the middle. Thanks for the help.
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