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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
Consultant
Bachelor's Degree
4,728 satisfied customers
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
4,728 satisfied customers
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
walkereng
walkereng
Consultant
Bachelor's Degree
4,728 satisfied customers
I just bought two S20x66# I beams that were formerly used as
Second opinion] 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 tha… read more
JAYCEG
JAYCEG
College Degree B.S.
99 satisfied customers
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
Im building a small bridge on my own private property. it
Hello. Im building a small bridge on my own private property. it will be spanning 24 feet. The bridge will get very minimal use, but it will need to be able to handle a loaded Concrete truck. (70,000l… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am constructing an 8 foot wide by 30 foot span bridge that
I am constructing an 8 foot wide by 30 foot span bridge that needs to carry a maximum load of 20,000 lb. I was planning on using 6 - 8" steel I beams on 19.2 inch centers with expanded metal floor. Th… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
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
Consultant
Bachelor's Degree
9,772 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
9,772 satisfied customers
We are repairing a bridge and would like to put in steel
Hi, we are repairing a bridge and would like to put in steel beams in place of wooden. What do we size and kind to cover 40 feet long by 14 feet wide … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
Have existing 38'x12' foot clear span bridge built in the
Have existing 38'x12' foot clear span bridge built in the 60s. Designed to carry 80,000 logging truck and still works great even with rotten wood decking. ( 1/2 load on bridge at a time since trucks a… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I am building a bridge that will span 16 feet from stem wall
I am building a bridge that will span 16 feet from stem wall to stem wall with concrete deck. What size steel beam do I need. I was going to use 4 831 beams over 16 foot width … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
Will two (2) I-beams each measuring 5 1/2 X 16 inches X 40
Will two (2) I-beams each measuring 5 1/2 X 16 inches X 40 feet long support a load of 10,000 pounds (4,536Kg) over a 37 foot span?Thank you Dan Schultz(###) ###-#### … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
I need to construct a bridge across a creek with a span of
I need to construct a bridge across a creek with a span of 30 feet. The bridge only needs to support people walking across. Say a maximum of 1000 pounds. What is the optimum number and dimensions of I… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
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
Consultant
Bachelor's Degree
9,772 satisfied customers
I am trying to decide if I can build a bridge over a small
I am trying to decide if I can build a bridge over a small stream that f350 sized trucks and cars would use. The bridge span between abutments is 20'. and we are looking at 4" wooden decking for the b… read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
i need to build a simple bridge using 175x260 UV beams, they
i need to build a simple bridge using 175x260 UV beams, they will be supported on concrete pillars aprox 1000w x 2000L x 2200h, how much and what kind of reinforcing should i use in the concrete? the … read more
StructuralEng
StructuralEng
Consultant
Bachelor's Degree
9,772 satisfied customers
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
Consultant
Bachelor's Degree
9,772 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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