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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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I am rebuilding a bridge on our driveway. The former bridge
I am rebuilding a bridge on our driveway. The former bridge consisted of 8, 10 x 12" white oak beams decked with 4" oak planks. White oak beams are not available and I plan to use steel I-beams and de… read more
walkereng
walkereng
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I'm building a small arched bridge over my swimming pool for
I'm building a small arched bridge over my swimming pool for my daughters wedding. The bridge will be four feet wide and 16' long. I want the arch to be about 36" high in the middle. I need to know th… read more
StructuralEng
StructuralEng
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I am buiding a foot bridge over a pond. the bridge is 20
hi! I am buiding a foot bridge over a pond. the bridge is 20 feet wide between fixed concrete supports that are 1 foot from each end. will need to hold 6 people at the most. what size universal beam d… read more
walkereng
walkereng
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I would like to build a bride to span a creek. it would need
I would like to build a bride to span a creek. it would need a 22' span … read more
walkereng
walkereng
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Two 20 foot W12x26, cantilevered 15' over water 12 feet
Two 20 foot W12x26, cantilevered 15' over water 12 feet apart with 2x6 treated planks At the land end about 6ft from bulkhead and 3'-6" below grade, concrete pad 5'x5'x3' deep supporting uplift forceB… read more
StructuralEng
StructuralEng
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Im building a 26 ft bridge, need to know what siz I beam to
im building a 26 ft bridge, need to know what siz I beam to use, two I beams spaning 26 ft. needs to hold up a 16000 lb truck … read more
walkereng
walkereng
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What size of I beams are required to support roughly 1000
What size of I beams are required to support roughly 1000 pounds on a walking bridge spanning 27 feet?… read more
walkereng
walkereng
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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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Need to build a 2 walking bridges across a creek span of 42
need to build a 2 walking bridges across a creek span of 42 feet for one and a span of 31 feet for the other. Thinking of using steel I beams, and building wood bridge on top. Need to know size of ste… read more
walkereng
walkereng
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Hi I need to build a bridge that is 10 x 20 I can have
Hi I need to build a bridge that is 10' x 20' I can have 6-inch 8 inch or 12 inch concrete supporting columns every 2 1/2. These will be running the length of the bridge 20 feet I have a span with of … read more
StructuralEng
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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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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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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I want to span 100 feet, with columns spaced 40 feet on center,
I want to span 100 feet, with columns spaced 40 feet on center, and HS-25 loading on top (heavy trucks). Deck slab is 10 inches thick, and girder depth is 7 feet, 4 feet wide, tapering to 6 feet deep … read more
StructuralEng
StructuralEng
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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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In general terms: with a simple I beam vehicle bridge 40 ft.
In general terms: with a simple I beam vehicle bridge 40 ft. long x 10 ft. wide supported at each end on Concrete with a wood Deck carrying max load of single axle dump truck GVW of 33000 lbs., how de… read more
StructuralEng
StructuralEng
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I need to build a bridge over a creek on my property. The span
I need to build a bridge over a creek on my property. The span will be 85 feet, and the bridge needs to carry the weight of a full concrete truck (~80,000 lbs). What size, and how many steel I-beams a… 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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