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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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walkereng
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Looking for advice on replacing an aging existing driveway
Looking for advice on replacing an aging existing driveway bridge that spans a small creek. Currently there are 6 logs that are decaying with 3"x12"x14' wood planking in place. Would like to replace t… 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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I'm planning to build a girder bridge across a creek in my
I'm planning to build a girder bridge across a creek in my back yard. I would like to use steel or aluminum I beams to span the creek, supported by a concrete abutment on either end. The span would be… read more
walkereng
walkereng
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I am looking to build a residential bridge on my property
I am looking to build a residential bridge on my property over a creek in my yard. Only family and some friends will be walking across the bridge. We want to do a 6' x 30' bridge. The location does no… read more
walkereng
walkereng
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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
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 would like to build a bride to span a creek. it would need
I would like to build a bride to span a creek. it would need a 22' span … read more
walkereng
walkereng
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I am building a 16 foot wide private bridge across a creek
I am building a 16 foot wide private bridge across a creek on my property. I will putting 4 42 foot steel beams across cement abutments. The steel beams will be bolted together by smaller beams and co… read more
StructuralEng
StructuralEng
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I want to know the steel beam size and spacing to build a
Hello, I want to know the steel beam size and spacing to build a bridge over a 30' crossing. This will be private, sporadic use, for trucks and tractors, max weight 20,000 lbs, would like a 2” thick w… read more
walkereng
walkereng
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I am designing a bridge over a shallow creek. The span is 9
I am designing a bridge over a shallow creek. The span is 9 feet. I will use five 12 foot 4x6 treated posts as horizontal joists on 24" spacing. The deck will be 8 foot 2x12s (treated). Will this be s… read more
StructuralEng
StructuralEng
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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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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
walkereng
walkereng
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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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I am trying to decide if I can build a bridge over a small
I am trying to decide if I can build a bridge over a small stream that f350 sized trucks and cars would use. The bridge span between abutments is 20'. and we are looking at 4" wooden decking for the b… read more
StructuralEng
StructuralEng
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I need to build a 20 foot bridge that will support a maximum
I need to build a 20 foot bridge that will support a maximum of 15,000 lbs (dump truck). What size and how many I beams would I need for this?… read more
walkereng
walkereng
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Bachelor's Degree
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My bridge was washed out in the recent Colorado floods. I have
My bridge was washed out in the recent Colorado floods. I have a gorge that is about 25 feet wide that I need to span. I would like to build a 10' wide bridge using 3 H-beams (one on each edge and one… read more
walkereng
walkereng
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Bachelor's Degree
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I am trying to build a bridge capable of spanning approx. 25
I am trying to build a bridge capable of spanning approx. 25 feet able to carry a fully loaded large vehicle and possibly light to medium grade construction equipment. This bridge will be about 15-20 … read more
StructuralEng
StructuralEng
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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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