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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
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
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walkereng
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I need to span 20 feet over a creek, 12 feet width. Maximum
I need to span 20 feet over a creek, 12 feet width. Maximum live load will be 65,000lb. The Steel I beams will rest on reinforced concrete headwalls. How many and what size steel beams are necessary w… read more
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Building a bridge, 20 foot span with a concrete deck, needs
building a bridge , 20 foot span with a concrete deck , needs to support up to 60000lbs would 4 I beams with a 12 inch web be able to carry the load … read more
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
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I'm replacing an existing deck that was built on 16 pyramid
I'm replacing an existing deck that was built on 16 pyramid concrete blocks. I've dug 2 ft by 2ft by 8 inch pads and poured concrete. I put concrete blocks on that and then 4x4 pressure-treated wood p… read more
StructuralEng
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I have a 50 foot span that im building a bridge for our golf
I have a 50 foot span that im building a bridge for our golf course. It is to span a ditch we are building. We will be using two wide flange beams. Their stock is considered a 12x31. The flanges are 5… read more
walkereng
walkereng
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Two 20 foot W12x26, cantilevered 15' over water 5 ft OC
Two 20 foot W12x26, cantilevered 15' over water 5 ft OC apart with 2x6 treated planks At the land end 6" bulkhead is supported by an existing 15" depth x 2 foot deep wall which the beams will rest on.… read more
StructuralEng
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Two 20 foot W12x26, cantilevered 15' over water 12 feet
Two 20 foot W12x26, cantilevered 15' over water 12 feet apart with 2x6 treated planks At the land end about 6ft from bulkhead and 3'-6" below grade, concrete pad 5'x5'x3' deep supporting uplift forceB… read more
StructuralEng
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Im building a 26 ft bridge, need to know what siz I beam to
im building a 26 ft bridge, need to know what siz I beam to use, two I beams spaning 26 ft. needs to hold up a 16000 lb truck … read more
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Im building a 26 ft bridge, need to know what siz I beam to
im building a 26 ft bridge, need to know what siz I beam to use, two I beams spaning 26 ft. needs to hold up a 16000 lb truck … read more
walkereng
walkereng
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Earlier today I had asked a question about steel beams size
Hi, earlier today I had asked a question about steel beams size under a bridge. The bridge is 40' x 14' single span. I had the weight load wrong. It is to be a thirty ton bridge. What is the size and … read more
StructuralEng
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I want to put a bridge over a stream using steel I beams the
I want to put a bridge over a stream using steel I beams the span would be 24ft I need this strong enough to drive a loaded cement truck across . what size beams would I need and how many Bridge will … read more
StructuralEng
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I need to estimate the capacity of a bridge constructed with
I need to estimate the capacity of a bridge constructed with wood on top of two steel I-beams that are a little over 18 inches deep and a about 9 inches wide. The span is about 20 feet. The wood deck … read more
StructuralEng
StructuralEng
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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
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Hi I need to build a bridge that is 10 x 20 I can have
Hi I need to build a bridge that is 10' x 20' I can have 6-inch 8 inch or 12 inch concrete supporting columns every 2 1/2. These will be running the length of the bridge 20 feet I have a span with of … read more
StructuralEng
StructuralEng
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We had a support wash out and the middle section of a bridge
We had a support wash out and the middle section of a bridge collapsed since support tipped over into creek. Only lost one concrete support. The bridge consisted of a 30ft and a 15 ft span. One of the… read more
StructuralEng
StructuralEng
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Hello - I am the process of researching the needed supplies
Hello - I am the process of researching the needed supplies to rebuild the bridge and would like to get you recommendations on the material and design. There are two concrete piles on each side of the… 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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