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A propane truck drove through my bridge. Am looking to
A propane truck drove through my bridge. Am looking to replace it but need to be sure the replacement can hold the new and likely full truck. The span is about 30 feet but we are thinking of using steel or aluminum to prebuild the bridge and then deck it on site. Will likely exceed the creek banks so probably 40 foot across. Can you tell me what we need for size of beams/stringers? … read more
walkereng
walkereng
Consultant
Bachelor's Degree
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I am looking to build a bridge to drive my zero turn mower
I am looking to build a bridge to drive my zero turn mower across that weighs 2500lb I need a 50' span with 2 beams 48" apart . Wood planks fastened on top that are 60" Wide. What size Steel beam shou… read more
walkereng
walkereng
Consultant
Bachelor's Degree
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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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Bachelor's Degree
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I am wanting to build a 30 foot clear span arched bridge and
I am wanting to build a 30 foot clear span arched bridge and was wondering what size beams I would need … read more
PaulP324
PaulP324
consulting engineer
MS
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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
Consultant
Bachelor's Degree
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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
Consultant
Bachelor's Degree
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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
Consultant
Bachelor's Degree
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I want to build a bridge across a ditch that transects my
I want to build a bridge across a ditch that transects my property. The total unsupported span would be 16', with 4' deep concrete fitting at either end. I need to be able to drive my truck across it … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
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 private bridge. It needs to span 35 feet and
I am building a private bridge. It needs to span 35 feet and carry a fire truck over a creek, what size and and how many Steel I beams are needed. bridge deck to be white oak 2x6x12… read more
walkereng
walkereng
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Bachelor's Degree
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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
Consultant
Bachelor's Degree
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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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Bachelor's Degree
4,728 satisfied customers
I have an overhead crane system to put up. The runway is 60.
I have an overhead crane system to put up. The runway is 60'. It will have two bridge cranes rated at 2 tons each. They will be 36' span. I need six, 20' columns to support the system. It will be free… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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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
Consultant
Bachelor's Degree
9,772 satisfied customers
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
Consultant
Bachelor's Degree
9,772 satisfied customers
If I am installing the rails for a bridge crane to run on,
If I am installing the rails for a bridge crane to run on, 16ft between columns, would 12X35lbs with a 5.078 flange work?… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
Will three 12"x 28# XXXXX used for a small brige support carry
Will three 12"x 28# XXXXX used for a small brige support carry 10 tons on a 24' spand with both end fixed?… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
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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