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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
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What size w beam do I need for an 8' wide bridge 36'.
What size w beam do I need for an 8' wide bridge 36'. Probably going to use 2x12 pressure treated lumber for decking? … read more
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walkereng
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I am building a small bridge across a creek, for personal
I am building a small bridge across a creek, for personal use to get my truck and tractor across the creek. I plan to pin both ends of parallel (70 inches apart) beams. What size steel W beams will be… read more
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What is the load bearing strength of a 12 foot presure
What is the load bearing strength of a 12 foot presure treated douglas FIr 4x6? … read more
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Treated 2 by 12 with 11.25tall by .25 steel plate sandwiched
Treated 2 by 12 with 11.25tall by .25 steel plate sandwiched between for beam 24 feet long to support 16 ft joist on deck over garage door . How far can it span between posts … read more
StructuralEng
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Building freestanding 6' tall deck with area of 14' x 10'
building freestanding 6' tall deck with area of 14' x 10' with 2x4x10 joists attached to 4x6 pressure treated lumber, all standing on 4x6 pressure treated posts. 1"x6" comp board for decking and addit… 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
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Want to a bridge to span about fifty feet to support less
want to a bridge to span about fifty feet to support less than 1500 lbs. wondering if i could use I beams. … 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 have a horse corral made of 1 5/8 pipe panels, called a 4
I have a horse corral made of 1 5/8 pipe panels, called a 4 rail (4 horizontal rails on each pannel). … read more
StructuralEng
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I want to remove a center support wall and have an open
I want to remove a center support wall and have an open kitchen. Single story, 24 foot span. My thoughts was 4 - 2x12's laminated, nailed and screwed with end post made out of 6- 2x8 laminated, nailed… read more
StructuralEng
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Thinking of buying 10 acres. 4 acres on front side. Need
Thinking of buying 10 acres. 4 acres on front side. Need bridge across creek to drive to back 6. Span approx 15-20'… read more
StructuralEng
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Same project - different materials. Can you tell me how much
Same project - different materials. Can you tell me how much weight beams made of fir (salvaged from a state bridge) measuring 22" x 8" spanning the same creek (20') can carry installed both verticall… read more
StructuralEng
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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
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There is a 4x6 (nominal) spanning 10 ft horizontally, which
There is a 4x6 (nominal) spanning 10 ft horizontally, which sits on a 10x10 post on one end and a 4x6 post on the other end. One of the deck ban joists runs along the top of the horizontal 4x6, with e… read more
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I need to build a 20 foot bridge that will support a maximum
I need to build a 20 foot bridge that will support a maximum of 15,000 lbs (dump truck). What size and how many I beams would I need for this?… read more
walkereng
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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
StructuralEng
StructuralEng
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I want to span 30 ft. accross my creek and be able to drive
I want to span 30 ft. accross my creek and be able to drive a lawm tractor accross. What size beam would I need? Thankyou.… read more
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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