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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
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How far can an 8x8 deck beam span? Building a 16'x22'
Building a 16'x22' carport that will want to have as a roof deck down the line. Four 8x8 posts, two 16 ft long beams front and back, 22 ft joists perpendicular to them. what are the smallest beam and joist sizes possible with these spans? … read more
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What size beams (2) are necessary for a 25 foot pedestrian
What size beams (2) are necessary for a 25 foot pedestrian bridge across a stream? The bridge will be on remote private property and to be used for walking only. I estimate 1000 pound load (no snow). … read more
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I need to build a bridge the spans 16' and is 16' wide. It
I need to build a bridge the spans 16' and is 16' wide. It needs to hold a concrete truck, 80,000 lbs. And I plan on pouring a 6" reinforced concrete deck. What size w beam would I need and how many? … read more
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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
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I need a 2 I-beam with x bracing style bridge built to span
I need a 2 I-beam with x bracing style bridge built to span a 34 foot creek, and hold a 70,000 lbs load. How do I know what size beams to use? … read more
StructuralEng
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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
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I need to know size of I beams or w beams I'll need to span
I need to know size of I beams or w beams I'll need to span 16' and be able to drive 5 ton truck across safely. Assume I'll use 2-4 beams anchored on concrete piers both ends … read more
StructuralEng
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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 am building a bridge over a dry creek on my property. I
Hello, I am building a bridge over a dry creek on my property. I would like to use two W beams with cross bracing and diagonal support. The span is 28 - 30 ft. Can you tell me what size beams I would … read more
StructuralEng
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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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I need to replace an 8x8 porch sill. It is an 1857 house,
I need to replace an 8x8 porch sill. It is an 1857 house, and that is the size of 2 sills I don't need to replace. Can I use 8x8 treated yellow pine? The spans are 10, 12, and 10 feet. Load is floor j… read more
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
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I need to build a bridge with an 80' clear span. I'd like it
I need to build a bridge with an 80' clear span. I'd like it to be strong enough to drive over so I'm thinking like 10000 pounds. I would also like to know my options if I were to build it as just a w… read more
StructuralEng
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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
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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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Bachelor's Degree
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hi, I lost my bridge in Irene. I would like to know if two
hi, I lost my bridge in Irene. I would like to know if two 50' , 18" high, 6 1/4" wide flange that is 11/16" thick, with a web of 7/16" thick would be able to support?… read more
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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