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*The Angi rating for Structural Engineering companies in Needles, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

*The HomeAdvisor rating for Structural Engineering companies in Needles, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Structural Engineering needs.

Last update on January 11, 2026

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Cullumber Engineering

5.00(
2
)

Cullumber Engineering

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Cullumber Engineering is a civil engineering firm specializing in the structural design of transportation, residential and commercial structures. Over the years Cullumber Engineering has built strong relationships with homeowners, contractors, building officials, and state and local governments. We are a structural engineering company founded on ambition and integrity which aims to teach, motivate, and inspire those around us.

Cullumber Engineering is a civil engineering firm specializing in the structural design of transportation, residential and commercial structures. Over the years Cullumber Engineering has built strong relationships with homeowners, contractors, building officials, and state and local governments. We are a structural engineering company founded on ambition and integrity which aims to teach, motivate, and inspire those around us.

Avatar for Dakota Equipment Manufacturing Inc.

Dakota Equipment Manufacturing Inc.

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Dakota Equipment Manufacturing Inc.

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14 years of experience

Dakota Equipment Manufacturing Inc. (DEMI) is a small family-owned business with a big passion for heavy equipment manufacturing. With over 30 years' worth of cumulative experience and knowledge in the aggregate and mining industry, we stand behind each of our products. Our equipment is specially fabricated and designed for each customer and proudly made in the USA. DEMI offers a wide range of services from equipment maintenance, replacement parts & wear media installation, equipment design & plant layout, equipment rebuilds, custom turn-key crushing & screening operations tailored to your specifications. Today, DEMI Equipment serves the entire United States, Canada, and international markets. Our headquarters and manufacturing facility are located in Aberdeen, South Dakota, and our service department is located in Phoenix, Arizona.

Dakota Equipment Manufacturing Inc. (DEMI) is a small family-owned business with a big passion for heavy equipment manufacturing. With over 30 years' worth of cumulative experience and knowledge in the aggregate and mining industry, we stand behind each of our products. Our equipment is specially fabricated and designed for each customer and proudly made in the USA. DEMI offers a wide range of services from equipment maintenance, replacement parts & wear media installation, equipment design & plant layout, equipment rebuilds, custom turn-key crushing & screening operations tailored to your specifications. Today, DEMI Equipment serves the entire United States, Canada, and international markets. Our headquarters and manufacturing facility are located in Aberdeen, South Dakota, and our service department is located in Phoenix, Arizona.

Structural Engineering questions, answered by experts

Structural engineers are necessary for projects involving alterations to load-bearing structures, foundation work, and compliance with safety standards. This includes home expansions, retaining walls, and significant repairs that impact a property's integrity.

Yes, ceiling joists are typically load-bearing. However, their primary function is to support the weight of the ceiling and loads applied to it, like lighting fixtures and ceiling fans. They can also help support the roof, especially if they’re part of truss systems. Remember, the load-bearing capacity of ceiling joists depends on the material, size, and space between them. 

In framing, studs are placed at 16-inch intervals to coincide with the typical spacing of wall materials such as drywall or plywood. This spacing is called "on-center" and is necessary for maintaining structural stability and efficient use of materials. The 16-inch spacing also helps to distribute the weight evenly across the building's structure. For those looking to cut material costs and improve energy efficiency, 24-inch stud spacing can be employed through a method called "advanced framing". This requires careful planning and adherence to local building codes to ensure structural integrity.

All foundations have footers, including monolithic slabs. In some cases, the foundation itself acts as the footer, as in the case of a floating slab and a monolithic slab. With a monolithic slab, the footers—which are just the bottom-most portion of the foundation that distributes loads down to stable soil—are a part of the main slab and are constructed with a single pour.

Most load-bearing walls are exterior, though they can also be interior.

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