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Privately used bridge. concrete abutments. 40' span.
privately used bridge. concrete abutments. 40' span. 6"x6"x12' deck. 4"x6" runners. support concrete truck. I estimate load at about 60,000#s. How many steel beams and size required to support this?… read more
Yaw, BSc
Yaw, BSc
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I currently have an older bridge in my backyard spanning a
I currently have an older bridge in my backyard spanning a small creek. The bridge is wood construction and about 33 years old. It's weathered but appears structurally sound. It does bounce and flex a… read more
Yaw, BSc
Yaw, BSc
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I have a partially rotted engineered wood beam 5 1/4" wide
I have a partially rotted engineered wood beam 5 1/4" wide 117/8" high with a 14' spand , total length of beam is 30'. Can I add back load carrying capacity by using a flitch plant on part of the beam… read more
StructuralEng
StructuralEng
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I'm building a bridge with an 8 foot span over water. The
I'm building a bridge with an 8 foot span over water. The bridge will be 12foot long by 17 foot wide. I am using 12 inch beams 14 lb per foot with 4 inches of 5000 psi concrete. How much weight will t… read more
StructuralEng
StructuralEng
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I want to build a lightweight bridge that's 60 feet 7 ft
I want to build a lightweight bridge that's 60 feet long 7 ft wide over a shallow River. I need to join 3 20-foot 12 inch wide flange I beams (40 pounds per linear foot) together. There would be two I… read more
StructuralEng
StructuralEng
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I'm installing a beam in my garage to attach a trolley and
I'm installing a beam in my garage to attach a trolley and hoist. The beam must be a steel I beam to attach the trolley (or 2 steel structure channels bolted together to form an I beam). Two Channels … read more
StructuralEng
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I'm building a bridge crane with posts on 27' centers on
Hi. I'm building a bridge crane with posts on 27' centers on both sides of runway. I'm looking at using 21" x 101lb beams for runway with 2-1/2" square solid bar on top for end truck wheels. Looking a… read more
StructuralEng
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I am building a bridge across a section of my pond. I want
I am building a bridge across a section of my pond. I want to span 40 ft to a pillar in the center then another 40 ft to the other side. It will be six foot wide. My railing weights 200 Lbs every six … read more
StructuralEng
StructuralEng
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9,772 satisfied customers
If I take an 18 inch steel I beam - split it lengthwise (ie:
If I take an 18 inch steel I beam - split it lengthwise (ie: two 9 inch wide - long T's) - then bolt or weld the two pieces together....do they have the same approximately load bearing capacity? My 18… read more
Peter Lavallee
Peter Lavallee
Principal Engineer
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32 ft, to bear 70,000lb load as bridge. I have a gully
I have a gully spanned by three steel I-beams 24in web with 13in plates spanning 32 ft with 6in steel reinforced concrete road face 12 ft wide. what is it's carrying capacity, roughly. … read more
StructuralEng
StructuralEng
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Looking to build a temp gantry crane with an aluminum i
looking to build a temp gantry crane with an aluminum i beam. I need to span approx 36'. my heaviest load will be 1700lbs with 2 pick points. I need to know what is the smallest size of I beam that ca… read more
StructuralEng
StructuralEng
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Live and Dead Bearing foot span of triple 2x12 PT lumber Building
Live and Dead Bearing for 24 foot span of triple 2x12 PT lumber Building foot bridge to span 24 feet and using 3 sets of these triple 2x12 beams to form a four foot wide base of the bridge.… read more
StructuralEng
StructuralEng
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I have a simple question. I have a marina slip that I park
Hello - I have a simple question. I have a marina slip that I park my boat in. The slip is 24 feet wide and 75 feet long. I want to build a deck 6 feet by 24 feet to park a golf cart type vehicle on (… read more
Expert
Expert
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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Bachelor's Degree
9,772 satisfied customers
I have a colonial home and an 8 inch ibeam in the basement.
I have a colonial home and an 8 inch ibeam in the basement. I wanted to open my basement up but there is a beam in the way.it seems to me they put a lolly column every 8 ft from each exterior wall . B… read more
StructuralEng
StructuralEng
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My question is about the load capacity of a bridge which gives
My question is about the load capacity of a bridge which gives access to my property. There is a wood framed caisson at each end of the bridge made of 8" X 8" treated timbers filled with large sharp e… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I want to build a horizontal platform from 6061 grade 1/4"
I want to build a horizontal platform from 6061 grade 1/4" aluminum plate and I beams. The platform will be 19' wide by 12' deep. One end of the platform will supported by a sturdy wall comprised of 6… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I am trying to determine the size I beam I need for a walking
I am trying to determine the size I beam I need for a walking bridge with no center supports. I want to span 30 feet with 2 Ibeams 15 feet long bolted together. Bridge total width 60 inches… read more
vgdlpc
vgdlpc
Master's Degree
Master's Degree
17 satisfied customers
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vgdlpc

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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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