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I'm looking to make a bridge over a creek..I found 2 steel h
I'm looking to make a bridge over a creek..I found 2 steel h beams that are 12 inch web 6.5 inch flange 7/16 thick ..the span is 25ft and I'm looking to take a 15k pound machine over it will these wor… read more
PaulP324
PaulP324
consulting engineer
MS
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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
PaulP324
PaulP324
consulting engineer
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1,276 satisfied customers
I need to span 20 feet over a creek, 12 feet width. Maximum
I need to span 20 feet over a creek, 12 feet width. Maximum live load will be 65,000lb. The Steel I beams will rest on reinforced concrete headwalls. How many and what size steel beams are necessary w… read more
StructuralEng
StructuralEng
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I am constructing an 8 foot wide by 30 foot span bridge that
I am constructing an 8 foot wide by 30 foot span bridge that needs to carry a maximum load of 20,000 lb. I was planning on using 6 - 8" steel I beams on 19.2 inch centers with expanded metal floor. Th… 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'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
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I want to build a bridge across a creek with a span of 26'
I want to build a bridge across a creek with a span of 26' with no center support. I have oak trees capable of making 6", 8", 10" or thicker girders x 24" deep. I was going to put 5 girders 2 ft on ce… read more
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 want to pour a concrete slab roof for a bunker that is 20
Second opinion] I want to pour a concrete slab roof for a bunker that is 20 feet by 31 feet; with 8 inch thick walls and a 6 inch floor that is all 4000 psi concrete with 3/4 inch rock. It will have a… read more
StructuralEng
StructuralEng
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I have a set of certified structural bridge plans. It says
I have a set of certified structural bridge plans. It says that 5, W12x14 beams will carry 20,000 pounds with 20 feet of free span. If the span is reduced to 10 feet by adding columns, can it handle 4… read more
StructuralEng
StructuralEng
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Bachelor's Degree
9,772 satisfied customers
I need to estimate the capacity of a bridge constructed with
I need to estimate the capacity of a bridge constructed with wood on top of two steel I-beams that are a little over 18 inches deep and a about 9 inches wide. The span is about 20 feet. The wood deck … read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I have a 6 inch by 6 inch beam in my basement supported by 4
I have a 6 inch by 6 inch wood beam in my basement supported by 4 separate 6 x 6 inch posts. Speaking with a company about replacing posts and beam with steel. Wood is very old (100 years) and showing… read more
StructuralEng
StructuralEng
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I have 3 w24x84 I beams that are 39 feet that I plan to use
I have 3 w24x84 I beams that are 39 feet long that I plan to use to build a bridge. How much weight will they hold?… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I'm looking at building a deck and wish to eliminate 4 additional
I'm looking at building a deck and wish to eliminate 4 additional 6x6 would post to have a steel I beam of 8, 10, 12 inch to support a wood structure that goes over a pool. My to post with a 2 ft over… read more
StructuralEng
StructuralEng
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Bachelor's Degree
9,772 satisfied customers
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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9,772 satisfied customers
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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WHAT IS THE VERTICAL LOAD LIMIT FOR AN I BEAM BRIDGE WITH TWO
WHAT IS THE VERTICAL LOAD LIMIT FOR AN I BEAM BRIDGE WITH TWO BEAMS 28 INCHES HIGH WITH 12 INCH FLANGES. BEAM THICKNESS APPROX. TWO INCHES.… read more
walkereng
walkereng
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I have a old bridge with 9- 6 inch by 17 inches tall 1/2 inch
I have a old bridge with 9- 6 inch by 17 inches tall 1/2 inch web on a 36 foot span bridge and need to get a 200,000 lb load on a 30foot axle spread across it. will the bridge with a cement deck hold … 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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