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Looking to span 48 feet with timber, to support 30k with a
Looking to span 48 feet with timber, to support 30k with a wheel base of 35 feet (1 ton truck and trailer). I have large douglas fir trees and a mill … read more
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I am rebuilding a simple span bridge that failed. Original
I am rebuilding a simple span bridge that failed. Original was of wood constructing spanning 20 ft across a creek. It had concrete embankments with no center support.The concrete embankments are solid… read more
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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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I am looking to build a residential bridge on my property
I am looking to build a residential bridge on my property over a creek in my yard. Only family and some friends will be walking across the bridge. We want to do a 6' x 30' bridge. The location does no… read more
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I am planning to build a 35' vehicle bridge over a creek on
I am planning to build a 35' vehicle bridge over a creek on my private property. The bridge will be used to cross with a tractor and implements weighing 11,000 pounds and I'd like the bridge to suppor… read more
StructuralEng
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I want to build a bridge across a ditch that transects my
I want to build a bridge across a ditch that transects my property. The total unsupported span would be 16', with 4' deep concrete fitting at either end. I need to be able to drive my truck across it … read more
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I'm building a bridge across a small creek for easier field
Hi, I'm building a bridge across a small creek for easier field access. The bridge will span 35' and be 10' wide consisting of 6 I beams on 24” centers. Maximum anticipated load will be 20000lb vehicl… read more
StructuralEng
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I'm wanting to build a 20' wide by 30' bridge over a creek.
I'm wanting to build a 20' wide by 30' long bridge over a creek. It will need hold 20000 lbs. I'm going to use 4x6 treated lumber as a driving surface. I want to use 4 w beams ( steel). Can you tell m… read more
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I need help calculating the size and span of an I Beam for a
I need help calculating the size and span of an I Beam for a bridge I want to build. length of beam will be 40' from concrete pillar to pillar. Needs to support concrete truck … read more
StructuralEng
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Mel - thinking of building a bridge over our creek. ,
Mel - thinking of building a bridge over our creek. … read more
StructuralEng
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I'm trying to build a heavy duty bridge across a creek on my
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I need 2 steel H beams to span 8m, and carry vehicles, one
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I have 3 w24x84 I beams that are 39 feet that I plan to use
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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
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i am building a bridge over a small creek with a span of 25
i am building a bridge over a small creek with a span of 25 feet. I plan to use 3 telephone poles (used but good condition), small end is 18 inches across. I will tie them together using 2X6's spaced … 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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Building a bridge over washed out creek area. Im using 2x12x16
Building a bridge over washed out creek area. I'm using 2x12x16 and 2x10x16 treated # XXXXX lumber. Each side beam will have 2 of the 2x12x16 with 1 2x10x16 in between bolted together with a center be… read more
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I want to build a foot bridge over a small creek I would like
I want to build a foot bridge over a small creek I would like the bridge have a span of 22' supported only at the ends and be about 4' wide. I'd like the bridge to be straight across the creek (not ar… 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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