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Related Structural Engineering Questions
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
walkereng
walkereng
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Bachelor's Degree
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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'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
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I'm looking to find the correct size I or H beams for a 20ft
Hi, i'm looking to find the correct size I or H beams for a 20ft bridge that can support 80,000 lbs. … read more
JAYCEG
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How much weight will a quarter inch by 5inch by 14inch deep
How much weight will a quarter inch by 5inch by 14inch deep i beam hold … read more
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Looking to span 18' brook with 2 - I beam supports and 8x8
Looking to span 18' brook with 2 - I beam supports and 8x8 hardwood decking, What size should the I-Beams be? … read more
walkereng
walkereng
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I need to build a bridge that crosses a culvert/drainage
I need to build a bridge that crosses a culvert/drainage ditch so that I can access my detached garage. The bridge needs to support the weight of my car which is 3100 lbs, but I would like it to suppo… read more
walkereng
walkereng
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I am building a 16 foot wide private bridge across a creek
I am building a 16 foot wide private bridge across a creek on my property. I will putting 4 42 foot steel beams across cement abutments. The steel beams will be bolted together by smaller beams and co… read more
StructuralEng
StructuralEng
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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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Constructing a bridge question again. Instead of using W
Constructing a bridge question again. Instead of using W flange steel beams for the frame of the deck and pouring cement for the deck,would it hold a loaded fire truck and cement truck by using precas… read more
StructuralEng
StructuralEng
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Bachelor's Degree
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I'm needing to build a vehicular bridge over a creek. I'm
I'm needing to build a vehicular bridge over a creek. I'm wondering what size W flange steel beams I'd need for a loaded cement truck and what type of decking material is recommended for that as well … read more
StructuralEng
StructuralEng
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I WANT TO USE TWO W10X66 BEAMS TO CONSTRUCT A BRIDGE. THESE
I WANT TO USE TWO W10X66 BEAMS TO CONSTRUCT A BRIDGE. THESE BEAM WILL HAVE TO SUPPORT THE WEIGHT OF THE BRIDGE (17345 POUNDS) AND A LOAD AT THE CENTER OF THE BRIDGE OF 3000 POUNDS. WILL THESE BEAMS BE… read more
walkereng
walkereng
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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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Id like to build a 7 wide, 20 span bridge over a seasonal
I'd like to build a 7' wide, 20' span bridge over a seasonal creek bed. The top deck will be 4 x 8 redwood planks. I'd like to use three (or four if needed?) minimum height steel I beam girders. Can y… read more
walkereng
walkereng
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Bachelor's Degree
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My bridge was washed out in the recent Colorado floods. I have
My bridge was washed out in the recent Colorado floods. I have a gorge that is about 25 feet wide that I need to span. I would like to build a 10' wide bridge using 3 H-beams (one on each edge and one… read more
walkereng
walkereng
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Hi Mr. Walker In checking the availability of used I beams,
Hi Mr. Walker In checking the availability of used I beams, I found two sizes available that I could substitute for the W10x22 that you proposed for my bridge. I was wondering if using either of these… read more
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
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
Consultant
Bachelor's Degree
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Need the safe load capacity of a bridge built with steel I
Need the safe load capacity of a bridge built with steel I beams. Maybe just the capacity of one beam would do. It spans 30 feet. The I beams are 15 in tall. The beams have a 3/8 in thick webbing. The… 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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