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I need to know the size of beam I need for a small bridge
i need to know the size of beam I need for a small bridge construction. The span is 12 meters, 2 beams, wood decking of 2 x 6 x 4 feet. I will pass; ATV (500 lbs) with small trailer et 2 adults. … read more
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I need a bridge over a stream approx. 50' mostly for cars.
Good morning, I need a bridge over a stream approx. 50' mostly for cars. What size I-beam would be adequate? … read more
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Waiting on answer. I have to build a snowmobile/ATV bridge
I have to build a snowmobile/ATV bridge 10ft wide by 50ft long it will be welded with cross braces and set on a set of super blocks (cement) … read more
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I NEED TO BUILD A BEAM BRIDGE ACROSS A SMALL (2" WIDE CREEK)
I NEED TO BUILD A BEAM BRIDGE ACROSS A SMALL (2" WIDE CREEK) THE DISTANCE NEEDS TO BE 14 - 16 FEET IN ORDER TO GET ONTO SOLID GROUND ABOVE ANY POSSIBLE FLOOD STAGE. I NEED TO BE ABLE TO DRIVE MY 2700 … read more
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I want to build a gantry crane for my garage shop. The
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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
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I'm building a trail bridge that needs to free span 30'. the
I'm building a trail bridge that needs to free span 30'. the bridge will be pedestrian and biking, but could also be used by ATVs or golf carts. I estimate max load distributed over 10' of the bridge … read more
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I am building a walking/mower bridge over water to a island
I am building a walking/mower bridge over water to a island spanning 80' pillar at 40' 3 I beams per side supporting overkill 10000lbs how big ibeams do I use … read more
StructuralEng
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I want to build a 20' bridge 7' wide that will support
Hi I want to build a 20' bridge 7' wide that will support 4000lbs (horse and rider, ATV's, and ideally small tractor with implement). Hoping to use 2x12x20' #2 fir to make the span as they are readily… read more
StructuralEng
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I want to build a bridge across a wash out. It needs to span
I want to build a bridge across a wash out. It needs to span 22'. I would like to use 2 "W" beams 48" apart. With 2x6 treated deck boards. … read more
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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
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How much weight would a 5-1/2 x 5-1/2 pressure treated beam
how much weight would a 5-1/2 x 5-1/2 pressure treated beam support at 12 foot span? … read more
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A friend wants to build a 40ft foot bridge. He wants to
a friend wants to build a 40ft foot bridge. He wants to build abutments on either side of the water feature, use two i-beams (pinned or unpinned to the abutments) and make the bridge 6ft wide. What si… read more
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What type of steel I-beam would we need pedestrian bridge,
What type of steel I-beam would we need for a pedestrian bridge, 30 feet long from building to the street. 48 inches wide is what we need for width. … read more
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I have a bridge that i would like to build across a creek bed.
I have a bridge that i would like to build across a creek bed. I will be spanning 25'-0", the bridge will be 5' wide total and will be supporting an ATV and foot traffic. I have though about using lum… read more
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Hi, I received and answer to a question the other day. I have
Hi, I received and answer to a question the other day. I have a small change in the criteria and need to get it reviewed. I am looking to build a walking bridge over a creek. The original span was goi… read more
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Im looking to build a bridge across a river. The span is
I'm looking to build a bridge across a river. The span is going to about 48 feet. I'm looking to use 2 X 12's two wide for each side of the bridge. I would stagger the beams on each side so they overl… read more
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how much weight can a walking bridge support with 3 glued
how much weight can a walking bridge support with 3 glued and screwed 2"X10" X 20 feet long set at 30" apart The bridge would be 42" wide with 2" planking… read more
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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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