Tag Archive for: bridge engineering

5 Famous Bridges Around the World

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Some locations are defined by their distinct skylines or unique transportation systems. But many iconic cities also boast famous bridges that decorate their harbors. These examples stand across the world as great bridges that are the peak of architectural accomplishment.

These bridge designs have been adapted and enhanced in keeping with modern innovations, and each design serves a particular purpose for their city’s needs.

In appreciation for these marvels of human innovation, here are five of the world’s most famous bridges.

1. The Danyang-Kunshan – Suzhou, China

The Danyang-Kunshan bridge in China is the world’s longest bridge, measuring over 100 miles (164.8 kilometers) in length. This bridge connects Shanghai and Nanjing, two of the largest cities in China.

The bridge was completed within its original 4-year timeline, despite difficult terrain and canals, due in large part to the over 10,000 construction workers working on the project. The construction of the bridge cost $8.5 billion and was expertly designed to withstand the typhoons and earthquakes that frequent China’s landscape.

2. The Millau Viaduct – Creissels, France

The Millau Viaduct in France is the world’s tallest bridge, with a structural height of 336 meters (1,104 ft), which is taller than the Eiffel Tower! This cable-stayed bridge crosses the Gorge valley of the river Tarn, which has helped with traffic congestion by shortening the travel time between Clermont-Ferrand and Beziers. The Millau Viaduct is supported by multi-span cables placed in the middle and two thin, flexible columns that form a supportive and easily recognizable A-frame.

3. London Tower Bridge – London, UK

How many famous bridges actually have songs written about them? The London Tower Bridge is easily one of the most recognizable structures in the entire world. The two distinct towers connected by two parallel walkways have given this bridge its rightful place among the most iconic structures in history.

Located on London’s River Thames, this iconic engineering marvel was built with a combination of suspension and bascule structural elements. This bridge is called the London Tower Bridge not only for its distinct towers but also for its proximity to the historical royal prison, the Tower of London.

4. Golden Gate Bridge – San Francisco, USA

This famous bridge can boast being in the opening sequence of several American television shows (Full House to name one!). The Golden Gate Bridge is an architectural staple for the city of San Francisco and is another easily recognizable bridge.

Joseph B. Strauss designed the 894,500-ton, iconic red bridge to connect the city of San Francisco and Marin County. The Golden Gate measures 4,200 feet in length, which makes it one of the longest suspension bridges in the world.

5. Rialto Bridge – Venice, Italy

The Rialto Bridge is, by far, the shortest bridge on this list; it only stretches roughly 104 feet across the narrow Grand Canal in Venice, Italy. In addition to being a popular tourist spot, this iconic arched bridge is one of the oldest bridges that remains perfectly intact and continually in use.

The Rialto Bridge was designed in the early 16th century by Antonio da Ponte, who took his inspiration from a bridge design that dated back to the 13th century. It has two inclined ramps, three walkways, and a span that allows for easy passing of boats through the iconic Venice canals.

These five famous bridges are only a few examples of architectural marvels, but there is no shortage of functional and stunning bridges all over the world. As time goes on, architects continue to improve bridge designs in order to meet the needs of an ever-changing world.

Building the Best with U.S. Bridge

As industry leaders and pioneers in several construction industry firsts, we know the importance of high-quality materials, ground-breaking designs, and reliable engineers. We’re proud to provide a comprehensive service that is easy to understand and time-efficient. That’s why we are the go-to for so many builders!

Working with us means working with professionals at every stage of the process. Get in touch with us now to begin the process, or use our exclusive Bridgescope tool for a jumpstart.

How an Inspection Robot Can Improve Bridge Safety

Many areas of the United States have bridge infrastructure that is in terrible condition.

Regular inspections are essential to identify potential issues and prevent catastrophic failures that can endanger human lives and cause significant economic damage. And now, with the use of inspection robots, the process can be safer, faster, and more cost-effective than traditional methods.

These specialized robots use advanced technologies such as sensors, cameras, and artificial intelligence to detect and analyze bridge defects that may have otherwise been skipped over.

By using this technology, bridge owners and operators can better assess potential issues and take the necessary proactive measures to address them.

The Current State of Our Bridges

According to the American Society of Civil Engineers, there are over 617,000 bridges in the United States, with 42% being 50 years old or older and nearing the end of their structural lives.

Bridges are aging, and 7.5% of all bridges in the United States are structurally deficient, meaning that all or part of the bridge is unsound.

Because of this, it’s necessary to inspect bridges more frequently to look for wear and tear that could cause safety issues and partial failure or total collapse. However, the federal government and state regulations for bridge inspections are all different.

The Benefit of an Inspection Robot

Inspection robots can be a substitute for humans in potentially dangerous environments, such as those where there is a fire or combustible gas. They can also contain high-definition and infrared cameras, microphones, and gas detectors.

Aside from replacing humans in hazardous situations, inspection robots provide far more mobility than humans, with the ability to move around tight spaces or climb up walls. This allows engineers to make more informed decisions quickly.

Robots can be controlled manually from a distance or programmed to complete certain tasks and instructions. These features create an effective tool for engineers.

As technology advances, these robots will only become more capable and versatile, opening up new possibilities for their use within the construction industry.

Drone Inspections

In recent years, drones have become more than just a hobby or a novelty. They are now effective tools that can assist humans in various industries, including construction and engineering.

Much like other inspection robots, drones save time and money and significantly reduce the risk of accidents by minimizing the need for workers to climb scaffolding or high areas.

They can also perform more complex inspections as technology improves. As we collect and analyze more data, the information we get from drone inspections will help engineers perform better bridge maintenance and make better design decisions. This improves the safety and longevity of our country’s infrastructure.

Traditional bridge inspection methods, alongside inspection robots, employ cutting-edge tools and equipment for hands-on inspections. But as technology improves, drones and robots’ abilities will continue to grow. This will make them more important for a wider range of construction and engineering tasks.

Growing into the Future with U.S. Bridge

Technology and robotics are changing construction and engineering forever. U.S. Bridge uses cutting-edge technology to evolve, like our exclusive BridgeScope tool.

Contact us to get your project started!

What Does a Bridge Engineer Do?

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Bridges play a key role in our lives by connecting our communities, promoting commerce travels, and contributing to our country’s economic development. But who designs these bridges and what does a bridge engineer do?

Bridge Engineers

Bridge Engineers are civil engineers responsible for designing and building bridges and other highway-related structures. Typical tasks for bridge engineers include designing and maintaining bridge structures, minimizing environmental impact, and supervising the fabrication process. As well as completing site investigations, data collection, identifying environmental risks, analyzing manufacturing processes, supervising construction, and more.

Although the exact duties of a bridge engineer may differ, it’s safe to say they’ll always play a critical role in any bridge construction project.

Designing and maintaining a bridge is no easy task. That’s why bridge engineers are required to have skills such as analytical thinking, leadership, supervisory skills, organization, and creativity. Not to mention, time management and budgeting skills which are essential for projects with restricted time or resources.

Bridge Engineering: It’s All About The Details

Meetings & Details

Naturally, the first part of any construction project is understanding the full scope. This meeting typically covers topics and details such as bridge series and styles, special enhancements or treatments, railing criteria, etc. This will help the bridge engineer to draw up some preliminary sketches of the bridge’s general framing plan, bridge geometry, and basic construction.

These designs help illustrate the bridge and prepare the project for its next step.

Digital Renderings

One of the most powerful tools for bridge engineers to utilize is technology. Bridge engineers will often use computers to create virtual models to assist in visualizing a project. This helps the team picture the visual impacts of the bridge to any given site as well as the aesthetic qualities. Our bridge engineers are able to model your proposed bridge over a digital terrain model or incorporate it into photos of your existing site.

This aspect is extremely useful, especially if a construction project requires models to help stakeholders buy-in or make a sale.

Final Process

Once a commitment has been made, the design process officially begins and a team is assigned. The project engineer analyzes the proposed bridge including the specified design loads and appropriate load factors, along with applying numerous code checks. Eventually, the bridge engineer begins to sketch the design details and information for the designer. These sketches convey all the information previously discussed and finalized.

The engineer will also markup the general notes and list the design assumptions and pertinent bridge data onto the title sheet.

Part of this process involves reviewing the design calculations and construction plans to verify the scope and specifications. Also checked is the plan content to ensure it reflects the engineer’s design intent and that no conflicts exist and that no omissions have occurred. The final step before submittal is usually the application of the Professional Engineer’s seal and signature.

Designed for Success at U.S. Bridge

At U.S. Bridge, we’ve been engineering and building bridges for over 80 years. Our engineers have the skills and experience to build bridges in many different styles and sizes to fit the needs of your project. Find out more about how U.S. Bridge has everything you need to make your project a success.

Contact us for a free quote or check our exclusive Bridge Scope tool to start building your project today.

U.S. Bridge Receives ISO 9001:2015 Certification for Quality Management System

ISO 9001:2015 Certification

The scope of U.S. Bridge’s ISO 9001:2015 Certification includes the engineering, Material Procurement, and Fabrication of Steel Bridges, Structural Steel Railing, and Miscellaneous Steel Products.

CAMBRIDGE, Ohio — Jan. 28, 2021 — U.S. Bridge, a leader in the engineering, manufacturing and construction of steel bridges globally, today announced that the Company has earned ISO 9001:2015 certification for its quality management system.

Certified ISO 9001:2015 Company

U.S. Bridge, a leader in the engineering, manufacturing and construction of steel bridges globally, today announced that the company has earned ISO 9001:2015 certification for its quality management system.

ISO 9001:2015 is a globally-recognized quality management standard developed and published by the International Organization for Standardization (ISO). The certification provides a model for companies of all types and sizes to use in building an effective quality management system. The standard is based on several quality management principles, including having a strong customer focus, involvement of high-level company management, an outlined process-based approach, and ongoing improvement of the aforementioned approach.

U.S. Bridge ISO 9001:2015 certificate (#C2021-00162) was issued by Perry Johnson Registrars, an internationally-accredited management systems certification body. The scope of U.S. Bridge’s certification includes the engineering, Material Procurement, and Fabrication of: Steel Bridges, Structural Steel Railing, and Miscellaneous Steel Products. Activities at U.S. Bridge’s corporate headquarters (201 Wheeling Avenue, Cambridge, OH 43725 United States) are included in the scope of certification.

“Every bridge that U.S. Bridge manufactures is designed and built to the highest quality standards,” said U.S. Bridge’s CEO Dan Rogovin. “Our ISO 9001:2015 certification is confirmation of our demonstrated and ongoing commitment to reliability, quality assurance, and safety.”

For more information on the entire product line of U.S. Bridge, visit their website: usbridge.com.

Bridge Engineering that Makes Bridge Construction Effortless

Bridge Engineering

No one wants to make something twice. That’s why it’s so important to build it to perfection the first time, especially if it’s something time-consuming and expensive such as a bridge. With extensive experience in bridge engineering, bridge construction can be effortless and efficient.

At U.S. Bridge, we’ve been engineering and building bridges for over 80 years. Here’s how our bridge engineering process leads to seamless bridge construction.

The Bridge Engineering Process

Understanding the Problem

There are several different reasons to build a bridge. It could be to connect communities or provide a secure commerce route for heavy trucks. Regardless, the first step for the bridge design team is to understand why the bridge is being built. What problem is it meant to solve?

Once our team of engineers understands this, then they can move forward in designing a bridge that will properly address the reason for the bridge.

Understanding the problem also allows engineers to answer other questions such as where and how. It’s the first step to designing the final product.

Determining the Scope

After knowing more about the problem, our engineers create and compare different solutions to the problem. This includes analyzing what design would work best for the bridge and the pros and cons of each option. Then they also consider other factors like the weight of the materials and how the environment would affect the bridge.

We establish elements like the structural capacity, environmental impact, and constructibility of the bridge. In the final analysis, all of these factors and more are carefully considered to determine the scope of the bridge construction project.

The Actual Design Process

Once the scope of the project has been determined, then our engineers are able to begin the design process. Theories of solutions materialize as we calculate the details on elevation, span lengths, deck widths, vertical clearances, and bridge structure among other logistics.

In addition, we also create virtual models to enable our customers to visualize their project.

This is also the part where we create an initial budget analysis for our clients. These calculations are vital to the bridge design process. Budgets are how we ensure the project is ideal for the bridge owner’s needs before proceeding to the construction phase.

The Bridge Construction Process

Our various manufacturing options provide a solution for various projects and budgets. From timber bridges to prefabricated steel, we design, manufacture, and build them all. Following the decisions finalized during the design phase, we begin the construction process. Our bridge supplies are shipped worldwide and our team is present during construction to guarantee its execution.

With more than 250,000 sq ft of engineering and fabricating facilities including dedicated truss, painting, and post and tube centers, located on a 6-acre campus, we provide the highest level of quality bridge available.

Throughout the entire process, we work directly with our clients and communicate with all members of the project for an effortless process.

Perfect Bridge Engineering with U.S. Bridge

Our bridge engineering expertise makes the bridge construction and design process effortless. Save yourself time and money by partnering with an industry leader in steel bridge design and construction.

U.S. Bridge has completed more than 10,000 bridge projects and has experience working in more than 50 countries. Our team engineers and builds bridges of many different styles and sizes. All of our designs are custom-made to fit the needs of our customers.  Contact us today to receive your free quote!

Advantages of Steel Truss Bridge Construction

Truss Bridge

There are several timeless designs that have been used in bridge building for decades. However, there are few more iconic than the truss bridge. In the 1800s, America was the leader in truss bridge design, though older constructions used wood. The design is vintage Americana, but it’s become modernized.

Today, truss bridges are used as an effective bridge construction option. Although one thing has changed: steel is the primary component in new truss constructions. U.S. Bridge is a leader in building modern truss bridges that will last for decades to come.

Let’s discuss why we use steel truss bridge design for many of our new constructions.

Advantages of Steel Truss Bridges

  1. Strong load-bearing capacity
  2. Effective use of materials
  3. Affordable to construct
  4. Versatile and adaptable design
  5. Professional bridge engineering

Steel Truss Bridge

First, What is a Truss Bridge?

Truss bridges are formed with a structure of connected elements that form triangular structures to make up the bridge. Trusses are the triangles that connect to the top and bottom cord and two end posts.

The trusses make up reinforcement for the bridge that even the load-bearing across the structure. Furthermore, the truss dissipates the load through the structure so the middle of the beam experiences less compression and tension. As you will see later, there are several variations of the truss, but it starts with a top and bottom cord and a series of trusses.

1. Strong Load-Bearing Capacity

Even the earliest wood truss bridges were built to distribute weight evenly. With this intention in mind, bridges could be built for larger loads. Overall, this makes this bridge design a very strong and dependable option. With steel construction, truss bridges can take on the traffic of today.

2. Effective Use of Materials

What makes truss bridges relevant more today than ever is their effective use of materials. Keep in mind, less materials means easier construction and less money spent. Already, our bridge construction uses recycled steel that is lightweight and has been certified for Bridge Fabrication — Advanced (Major) by the AISC.

In fact, each piece is constructed with a definite purpose for truss bridge construction. This way, the construction and use of each steel piece are perfect for the bridge.

3. Affordable To Construct

Because of the simplicity of truss bridge designs, they are often a great fit for accelerated bridge construction. In order to improve construction time, each steel piece can be quickly pieced together.

If considering the full cost of material and labor, truss bridges save builders thousands of dollars. Not to mention the long-term savings from building a long-lasting, durable bridge from U.S. Bridge.

4. Versatile and Adaptable Design

While truss bridges are great for short spans, what makes them versatile is their ability to go long distances and still support large loads. With the polygonal design of the truss, it’s possible to cover long distances. Even at U.S. Bridge, we have several options to fit the bridge construction you’re looking for.

In particular, truss bridges can be needed in areas with extreme weather. Despite the harsh weather, with great structural engineering, our truss bridges are prepared to last even the worst storms for decades to come. When it comes to crossing a treacherous area, truss bridges can be built to keep communities connected.

5. Professional Bridge Engineering

While a truss bridge may seem simple, they are actually quite intricate and require complex engineering and design. Because the weight must be distributed away from the center beam, each truss must be optimally engineered to distribute the weight. Without attention to detail in the engineering design, the truss design will not be nearly as effective.

Bridges are very dynamic, but at U.S. Bridge, we can guarantee the highest-quality engineering that fits the environmental components of the build location.

The U.S. Bridge Steel Truss Bridge Designs

Several of our U.S. Bridge designs use steel trusses for optimal strength and durability. However, every truss bridge is different. Here are just a few of the truss constructions we’ve done in the past.

Pratt Truss — Liberty, Viking, Seneca, Voyager

Warren Truss — Cambridge, Cambridge Flat

Box Truss — Thru Truss

Experts in Truss Bridge Construction

When you invest in a U.S. Bridge, you can rest assured you’re investing in experts in truss bridges. We’ve been building long-lasting steel bridges for decades. We regard every detail of your bridge with a high level of attention and efficiency to ensure it’s high-quality.

If you’d like to know more about our bridge construction projects and have any questions about a project, please contact us today and get a free quote.