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I need a bridge to cross a 16 ft wide stream. If I use I
I need a bridge to cross a 16 ft wide stream. If I use I beams, what size do I need to support a 5,500 lb tractor? And, can I use wood decking?… read more
walkereng
walkereng
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I have a two w8x31 beams, secured at each end that cross a
Hello. I have a two w8x31 beams, secured at each end that cross a small creek. The beams have a clear span of 23 feet and the beams are parallel to one another. How much weight will the twin w8x31 bea… read more
walkereng
walkereng
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Second Opinion) I am a civil engineer who has not been in
Second Opinion) Customer: I am a civil engineer who has not been in the design biz since my days of designing highway bridges in the late 1970s. i need a quick analysis (not to be used) to get an appr… read more
walkereng
walkereng
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I need to find out how big of an I-beam or H-beam I would
HI, I need to find out how big of an I-beam or H-beam I would need to span a 36 foot wide creek and hold up to 80,000.... … read more
walkereng
walkereng
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What size beams for 20 ft bridge to carry 75000lbs. Wood
what size beams for 20 ft bridge to carry 75000lbs … read more
walkereng
walkereng
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I am going to install a 4 inch I beam that weighs 7.7 pounds
I am going to install a 4 inch I beam that weighs 7.7 pounds per foot and will span 30 feet with a load bearing wall that will run from ten foot to the sixteen foot with headers at both ends supportin… read more
walkereng
walkereng
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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
StructuralEng
StructuralEng
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Building a bridge for a small creek for vehicles and want to
Building a bridge for a small creek for vehicles and want to use 2 or more I Beams. Would like to determine load capacity for a 40ft wide flange beam that has 12” web with thickness of .43” and flange… read more
walkereng
walkereng
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What size W beam is necessary to support a 2200 pound single
What size W beam is necessary to support a 2200 pound single point load over a span of 30 feet? Also, how much vertical deflection would be present at the center of the W Beam? … read more
walkereng
walkereng
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Bachelor's Degree
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I am making a foot bridge, span is 25ft. it will be made out
I am making a foot bridge, span is 25ft. it will be made out of all steel components, I believe the total weight of all materials used including handrails, tread and steel beams around 4500lbs … read more
StructuralEng
StructuralEng
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I need to build a bridge that crosses a culvert/drainage
I need to build a bridge that crosses a culvert/drainage ditch so that I can access my detached garage. The bridge needs to support the weight of my car which is 3100 lbs, but I would like it to suppo… read more
walkereng
walkereng
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I am looking to have a carport built with a 30 foot span at
I am looking to have a carport built with a 30 foot span at the front and a 20 foot span at the rear … read more
walkereng
walkereng
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Bachelor's Degree
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Bleacher system spanning one direction 20ft at an incline
bleacher system spanning one direction 20ft at an incline spacing 6ft apart what is the size beam would need … read more
StructuralEng
StructuralEng
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What size of I beams are required to support roughly 1000
What size of I beams are required to support roughly 1000 pounds on a walking bridge spanning 27 feet?… read more
walkereng
walkereng
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I need 2 steel H beams to span 8m, and carry vehicles, one
Hi, I need 2 steel H beams to span 8m, and carry vehicles, one at a time. These are for the base of a bridge over a creek. Could you please tell me the size of the steel I need? Thank you… read more
walkereng
walkereng
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Bachelor's Degree
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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
StructuralEng
StructuralEng
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Bachelor's Degree
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I need to support an 11' deep by 20' wide Patio over hang
I need to support an 11' deep by 20' wide Patio over hang with two clear span rectangular steel tubes resting on support posts 19'6" apart and the beams will be 8' apart there will be a 2' overhang on… read more
walkereng
walkereng
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Bachelor's Degree
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What is the maximum load for 2.5 inch square tubing 16 long
What is the maximum load for 2.5 inch square tubing 16' long to be support at 4 equally spaced points? This is a commercial range hood support structure. Will be supported by 2.5" vertical square tubi… read more
walkereng
walkereng
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Bachelor's Degree
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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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