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I am rebuilding a simple span bridge that failed. Original
I am rebuilding a simple span bridge that failed. Original was of wood constructing spanning 20 ft across a creek. It had concrete embankments with no center support.The concrete embankments are solid… read more
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What size beams (2) are necessary for a 25 foot pedestrian
What size beams (2) are necessary for a 25 foot pedestrian bridge across a stream? The bridge will be on remote private property and to be used for walking only. I estimate 1000 pound load (no snow). … read more
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What size does a steel I-beam need to be across a 45 foot
What size does a steel I-beam need to be across a 45 foot span to support a static load of 1,000lbs at the midpoint. The beam would only be supported at each end which are on the same plane. Thanks. … read more
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Looking to span 18' brook with 2 - I beam supports and 8x8
Looking to span 18' brook with 2 - I beam supports and 8x8 hardwood decking, What size should the I-Beams be? … read more
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I am constructing an 8 foot wide by 30 foot span bridge that
I am constructing an 8 foot wide by 30 foot span bridge that needs to carry a maximum load of 20,000 lb. I was planning on using 6 - 8" steel I beams on 19.2 inch centers with expanded metal floor. Th… read more
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I'm building a small arched bridge over my swimming pool for
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I want to build a lightweight bridge that's 60 feet 7 ft
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I need to span 30 feet with a foot bridge and was thinking
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I want to build a loft in a cement block building, The
I want to build a loft in a cement block building, The building is 40 x 40. How large of a wood beam would be required to span 40' support on each end by a block pier? The beam would be 8' from the en… read more
StructuralEng
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I am building a bridge across a section of my pond. I want
I am building a bridge across a section of my pond. I want to span 40 ft to a pillar in the center then another 40 ft to the other side. It will be six foot wide. My railing weights 200 Lbs every six … read more
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What size of I beams are required to support roughly 1000
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What type of steel I-beam would we need pedestrian bridge,
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What size of beam, length and quantity do i need to use to
what size of wood beam, length and quantity do i need to use to construct a bridge to carry pedestrians and possible a fully loaded skid steer(10,000 lbs) over a 40 foot span by 8 feet wide with a pie… read more
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I want the specs I need to construct a 40 foot bridge
I want the specs I need to construct a 40 foot bridge extension that would carry cars and light trucks only. I am adding to an existing 90 x 9 foot railroad car bridge that spans a creek. The extensio… read more
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Need to build a 2 walking bridges across a creek span of 42
need to build a 2 walking bridges across a creek span of 42 feet for one and a span of 31 feet for the other. Thinking of using steel I beams, and building wood bridge on top. Need to know size of ste… read more
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I need to build a bridge with an 80' clear span. I'd like it
I need to build a bridge with an 80' clear span. I'd like it to be strong enough to drive over so I'm thinking like 10000 pounds. I would also like to know my options if I were to build it as just a w… read more
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I am building a bridge across a creek. I have 2 10" I-beams
I am building a bridge across a creek. I have 2 10" I-beams 6' apart and 30' long. I plan to plank it with 2x6 lumber. Will I need support in the middle?… read more
StructuralEng
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Need to build a walkway across a stream. Am interested in
Need to build a walkway across a stream. Am interested in I beam size required to span 45'. I would use 2 I beams spaced 5 foot apart. For clarification the total square footage would be 225 sq. ft. W… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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