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I'm wanting to build a bridge girder out of concrete and
I'm wanting to build a bridge girder out of concrete and rebar but need to know how big I need to make it. … read more
walkereng
walkereng
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I need to build a 4 ft wide by 20ft walk way over water. I
I need to build a 4 ft wide by 20ft long walk way over water. I was looking at either 6 - 2 x8 x 20ft boards or 4 - 2x12x20 boards with 4x8 plywood attached on top with cross beams underneath every 3 … 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 have a old grain building I am converting to my shop and
I have a old grain building I am converting to my shop and need to make sure a beam I am installing is appropriately sized. Can you help? … read more
StructuralEng
StructuralEng
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Need to open up a first floor room in a building. Building
Hi this is Bill, Need to open up a first floor room in a building. Building dimension exterior 41' 4 ' by 35' 7". Second floor has engineered floor joist that run length designed for support by one wa… read more
StructuralEng
StructuralEng
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I am building a deck 19' wide by 6' deep off the front of my
I am building a deck 19' wide by 6' deep off the front of my house and want to reduce load on house so want too build a cantilevered structure to take some/most of load. I picture 8"X 8" uprights in a… read more
StructuralEng
StructuralEng
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I need to build a bridge to free span a Creek thats 50 feet
I need to build a bridge to free span a Creek that's 50 feet wide and would like to use 3 or 4 wide flange I beams 60 foot long. I only need to support the wood decking (4x12 x10') and 20,000 lb at th… read more
walkereng
walkereng
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What is the smallest steel beam I can safely use if I am building
What is the smallest steel beam I can safely use if I am building a bridge to support a 2500 lb horse with rider assuming a six foot wide bridge with beams every 2 feet on center.… read more
StructuralEng
StructuralEng
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Bachelor's Degree
7,862 satisfied customers
I am trying to determine the beam size needed for a small bridge.
I am trying to determine the beam size needed for a small bridge. Bridge length is 36', supporting concrete deck panels of 6'x 36' (3 panels at 6' x 12' each). Each panel weighs approx 10,500# XXXXX s… read more
walkereng
walkereng
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I want to build a bridge across a small creek to support a
I want to build a bridge across a small creek to support a garden tractor using two steel I beams. The tractor weighs 4000 lbs the span would be 28ft without any center support. what size beams are ne… read more
walkereng
walkereng
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Bachelor's Degree
2,873 satisfied customers
I need to build a bridge for a 4x4 Polaris Ranger. The ranger
I need to build a bridge for a 4x4 Polaris Ranger. The ranger loaded will weigh about 1600 pounds. The span of the bridge will be 11' and be 6' wide. I was planning to use 6 - 6x6 treated timbers. The… read more
walkereng
walkereng
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Bachelor's Degree
2,873 satisfied customers
27 span foot bridge, all wood const. 6-0"wide/ 4"x 12" decking.
27' span foot bridge, all wood const. 6'-0"wide/ 4"x 12" decking. What would the glulam size and spacing be?… read more
walkereng
walkereng
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Bachelor's Degree
2,873 satisfied customers
I want to build a bridge to my island in my pond. The span
I want to build a bridge to my island in my pond. The span is 40' I need to go. I want to be able to drive my riding mower and atv to island as well as fish etc. Mover weights 800#, I would say 2000# … read more
walkereng
walkereng
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Bachelor's Degree
2,873 satisfied customers
I am planning to build a wood floor old style Beam Bridge crossing
I am planning to build a wood floor old style Beam Bridge crossing a dry creek bed on my property. Span from anchor support pads 40 ft. Maximum weight load 40 tons. Can you tell me what "I" Beams (ass… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
7,862 satisfied customers
can you build a retaining wall out of cross tieds in the city
can you build a retaining wall out of cross tieds in the city of dallas i think its not as environmental friendly as a stone or brick wall and i built one in the past and had to replace it with a bric… read more
walkereng
walkereng
Consultant
Bachelor's Degree
2,873 satisfied customers
I am building a bridge with a 60 span. The stringers will
I am building a bridge with a 60' span. The stringers will be spaced 7' apart o.c. I am using 2 W21X50 wide flange beams for stringers. I am going to put 3"x3"x3/8" cross bracing every 15'. Do I need … read more
StructuralEng
StructuralEng
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Bachelor's Degree
7,862 satisfied customers
I want to build a simple bridge across a creek. The heaviest
I want to build a simple bridge across a creek. The heaviest load the bridge will carry is a tractor, weighing about four thousand pounds. I would like to build two concrete abutments at either side a… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
7,862 satisfied customers
I want to support a floor that is 24 foot wide by 24 foot long,
I want to support a floor that is 24 foot wide by 24 foot long, with a steel beam running down the center of it underneath. What size beam would I need to bridge the total area? The floor will only be… read more
walkereng
walkereng
Consultant
Bachelor's Degree
2,873 satisfied customers
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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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