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Looking for advice on replacing an aging existing driveway
Looking for advice on replacing an aging existing driveway bridge that spans a small creek. Currently there are 6 logs that are decaying with 3"x12"x14' wood planking in place. Would like to replace t… read more
walkereng
walkereng
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I need a bridge to cross a 16 ft wide stream. If I use I
I need a bridge to cross a 16 ft wide stream. If I use I beams, what size do I need to support a 5,500 lb tractor? And, can I use wood decking?… read more
walkereng
walkereng
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Need info for budgeting small bridge over side residential
need info for budgeting small bridge over side residential dirt driveway. … read more
walkereng
walkereng
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I need to find out how big of an I-beam or H-beam I would
HI, I need to find out how big of an I-beam or H-beam I would need to span a 36 foot wide creek and hold up to 80,000.... … read more
walkereng
walkereng
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What size beams for 20 ft bridge to carry 75000lbs. Wood
what size beams for 20 ft bridge to carry 75000lbs … read more
walkereng
walkereng
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I am trying to find the load on a 12" tall x 8' wide
I am trying to find the load on a 12" tall x 8' wide x19'6''long sp. an supported on each end with 4wide flange beams separated on a bridge structure approx. 4 ' apart. Can you help me with what load … read more
walkereng
walkereng
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I want to know the steel beam size and spacing to build a
Hello, I want to know the steel beam size and spacing to build a bridge over a 30' crossing. This will be private, sporadic use, for trucks and tractors, max weight 20,000 lbs, would like a 2” thick w… read more
walkereng
walkereng
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I have a span of 18 feet between posts on a deck I'm putting
I have a span of 18 feet between posts on a deck I'm putting up. … read more
StructuralEng
StructuralEng
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I have each I-beams at W16X40# X 25 feet. I plan on building
I have each I-beams at W16X40# ***** 25 feet. I plan on building a bridge across a creek. I will weld 25 cross members for additional support. How much weight will the bridge hold up to. … 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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Im building a 35 ft. bridge 12 ft. wide that needs to hold
I'm building a 35 ft. bridge 12 ft. wide that needs to hold 65,000 gvw. What size I beams do I need?… read more
walkereng
walkereng
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I would like you use W21x50 steel I-beams for a bridge over
I would like you use W21x50 steel I-beams for a bridge over a stream. There will be concrete abutments at each ends. The length of the beams will be 44.5' from abutment to abutment. There will be seve… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I have a driveway bridge spanning a small stream with the following
I have a driveway bridge spanning a small stream with the following demensions and materials: 37' span between concrete buttresses, 16.5' wide, single lane travel in center 2- s24x80 steel I-beams 6.5… read more
StructuralEng
StructuralEng
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Hi I need to build a bridge across a brook on my farm. I have
Hi I need to build a bridge across a brook on my farm. I have a farm tractor that weighs 4000 lbs. I have a backhoe that weighs 6.5 tons. I have already placed 4 "mafia blocks" (2 on each side) as foo… read more
walkereng
walkereng
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Bachelor's Degree
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I need to build a residential wood-top bridge to span a small
I need to build a residential wood-top bridge to span a small stream. The bridge will be one lane, leading from a driveway to a parking spot and needs to support a car/single axle delivery truck. The … read more
walkereng
walkereng
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Bachelor's Degree
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I just need to know an approx. load capacity of a steel I beam
I just need to know an approx. load capacity of a steel I beam (WS 18x50). Actually, how many beams would be needed for a private bridge, with the most load being a concrete truck. Span is 45FT.… read more
walkereng
walkereng
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Bachelor's Degree
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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
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Need to build a walkway across a stream. Am interested in
Need to build a walkway across a stream. Am interested in I beam size required to span 45'. I would use 2 I beams spaced 5 foot apart. For clarification the total square footage would be 225 sq. ft. W… read more
walkereng
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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