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I just bought two S20x66# I beams that were formerly used as
Second opinion] I just bought two S20x66# ***** beams that were formerly used as the support for a roof top water tank in an old building. I'd like to use them for bridge girders on a small bridge tha… read more
JAYCEG
JAYCEG
College Degree B.S.
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I need to build a bridge the spans 16' and is 16' wide. It
I need to build a bridge the spans 16' and is 16' wide. It needs to hold a concrete truck, 80,000 lbs. And I plan on pouring a 6" reinforced concrete deck. What size w beam would I need and how many? … read more
walkereng
walkereng
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I am planning on building a 25ft x16ft wide bridge. The
I am planning on building a 25ft long x16ft wide bridge. The bridge will be resting on 24 inch concrete walls and will span a small creek. I am trying to determine what size steel beams I will need to… read more
StructuralEng
StructuralEng
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I need a 2 I-beam with x bracing style bridge built to span
I need a 2 I-beam with x bracing style bridge built to span a 34 foot creek, and hold a 70,000 lbs load. How do I know what size beams to use? … read more
StructuralEng
StructuralEng
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I have a 1970 Miami home that we are renovating. One of the
Hi, I have a 1970 Miami home that we are renovating. One of the exterior walls was enclosed to be part of the house. Now that wall is in the middle of the house. It is a weight bearing wall. the roof … read more
walkereng
walkereng
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I purchase a 70' x 30' commercial building. Constructed of
I purchase a 70' x 30' commercial building. Constructed of concrete block. I'm have a family (he's in construction) frame out a standard size garage door opening on the side of the building. He instal… read more
StructuralEng
StructuralEng
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I'm trying to calculate the size and number of steel i-beams
i'm trying to calculate the size and number of steel i-beams necessary for a 20' span bridge for residential traffic (private home) 12' wide … read more
StructuralEng
StructuralEng
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I'm wanting to build a bridge girder out of concrete and
I'm wanting to build a bridge girder out of concrete and rebar but need to know how big I need to make it. … read more
walkereng
walkereng
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I want to build a gantry crane for my garage shop. The
I want to build a gantry crane for my garage shop. The bridge girder would span 15'. The runway beams could be supported at various intervals. maximum hoist weight would be 2 tons. I need to know what… read more
StructuralEng
StructuralEng
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I am building a walking/mower bridge over water to a island
I am building a walking/mower bridge over water to a island spanning 80' pillar at 40' 3 I beams per side supporting overkill 10000lbs how big ibeams do I use … read more
StructuralEng
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I am building a bridge that will span 16 feet from stem wall
I am building a bridge that will span 16 feet from stem wall to stem wall with concrete deck. What size steel beam do I need. I was going to use 4 831 beams over 16 foot width … read more
StructuralEng
StructuralEng
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I need a build a bridge across a small river using I beams.
Hi! I need a build a bridge across a small river using I beams. I am trying to find a chart of allowable loads for W beams with a span of 60 ft. This seems like a very wide span and I don't know if it… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I am building a bridge over a dry creek on my property. I
Hello, I am building a bridge over a dry creek on my property. I would like to use two W beams with cross bracing and diagonal support. The span is 28 - 30 ft. Can you tell me what size beams I would … read more
StructuralEng
StructuralEng
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I need help calculating the size and span of an I Beam for a
I need help calculating the size and span of an I Beam for a bridge I want to build. length of beam will be 40' from concrete pillar to pillar. Needs to support concrete truck … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I need a I beam to support an agricultural bridge to support
Hello, I need a I beam to support an agricultural bridge to support a timber logging truck. The trucks weigh up to 90,000 pounds. The foundation we are building on each side is 1' x 3' x 12' minimum. … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I have 3 w24x84 I beams that are 39 feet that I plan to use
I have 3 w24x84 I beams that are 39 feet long that I plan to use to build a bridge. How much weight will they hold?… read more
StructuralEng
StructuralEng
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I need to find out how many I beams and what kind I would
Hi, I need to find out how many I beams and what kind I would need to support 560K lbs of concrete and soil over a 40x30 foot area… 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
walkereng
walkereng
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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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