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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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Bachelor's Degree
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Structural steel for bridge. Want to erect private bridge
want to erect private bridge across creek to my land. I have a disassembled 50 yr old bridge from another site that has three 42 ft 12X35 beams, with wood decking. It has two sets of intermediate pipe posts at 21 ft centers on the outer beams. However I need to span 25-30 feet creek. Will these 3 beams, if clear spaned 30 ft, carry weight of a slow moving car up to small fire truck? … read more
walkereng
walkereng
Consultant
Bachelor's Degree
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I have a two w8x31 beams, secured at each end that cross a
Hello. I have a two w8x31 beams, secured at each end that cross a small creek. The beams have a clear span of 23 feet and the beams are parallel to one another. How much weight will the twin w8x31 bea… read more
walkereng
walkereng
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Bachelor's Degree
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I just bought two S20x66# I beams that were formerly used as
I just bought two S20x66# ***** beams that were formerly used as the support for a roof top water tank in an old building. I'd like to use them for bridge girders on a small bridge that we're going to… read more
PaulP324
PaulP324
consulting engineer
MS
1,276 satisfied customers
I need to bridge a small creek that is 18feet wide. Traffic
I need to bridge a small creek that is 18feet wide. Traffic will be tractor and towed implements and farm trucks. … read more
walkereng
walkereng
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Bachelor's Degree
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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
StructuralEng
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Bachelor's Degree
8,463 satisfied customers
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
Consultant
Bachelor's Degree
8,463 satisfied customers
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
Consultant
Bachelor's Degree
5,261 satisfied customers
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
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
What size of steel H beam is needed to support 10,000 LB on
What size of steel H beam is needed to support 10,000 LB on a 30 feet span bridge Size & thickness .Thanks… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I'm building a privately used bridge on private property and
I'm building a privately used bridge on private property and I'm planning buying two or maybe three 45ft steel beams to span the 36 ft wide creek. I have no clue what size is needed to support up to 1… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,261 satisfied customers
I need 2 steel H beams to span 8m, and carry vehicles, one
Hi, I need 2 steel H beams to span 8m, and carry vehicles, one at a time. These are for the base of a bridge over a creek. Could you please tell me the size of the steel I need? Thank you… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,261 satisfied customers
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
Consultant
Bachelor's Degree
8,463 satisfied customers
Thinking of buying 10 acres. 4 acres on front side. Need
Thinking of buying 10 acres. 4 acres on front side. Need bridge across creek to drive to back 6. Span approx 15-20'… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
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
Consultant
Bachelor's Degree
8,463 satisfied customers
WHAT IS THE VERTICAL LOAD LIMIT FOR AN I BEAM BRIDGE WITH TWO
WHAT IS THE VERTICAL LOAD LIMIT FOR AN I BEAM BRIDGE WITH TWO BEAMS 28 INCHES HIGH WITH 12 INCH FLANGES. BEAM THICKNESS APPROX. TWO INCHES.… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,261 satisfied customers
I am building a bridge across a creek. I have 2 10" I-beams
I am building a bridge across a creek. I have 2 10" I-beams 6' apart and 30' long. I plan to plank it with 2x6 lumber. Will I need support in the middle?… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
8,463 satisfied customers
I want to build a bridge across a canal that will support at
I want to build a bridge across a canal that will support at least 4,000 pounds. I'm planning to lay three 40-foot I-Beams across the canal, evenly spaced 7 feet apart (the bridge will be 14 feet wide… read more
walkereng
walkereng
Consultant
Bachelor's Degree
5,261 satisfied customers
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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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