Brunel And His Great Bridges I Oxford Open Learning


    Brunel And His Great Bridges

    Isambard Kingdom Brunel was a prominent 19th century British engineer, known for his innovative designs and outstanding contributions in the areas of railway engineering, bridge building and naval architecture. His lifetime’s work included the construction of twenty-five railway lines and over one hundred bridges. In a 2002 BBC poll for The Greatest Briton, Brunel came in second only to Winston Churchill.


    Isambard Kingdom Brunel was born in Portsmouth in 1806. Influenced by his father, a renowned civil engineer, he developed a keen interest in engineering and innovation from an early age. When he was 16, he joined his father’s engineering firm, where he gained significant experience while developing his methods and ideas.

    As his reputation and talent as an engineer grew, so did his desire for larger projects. One of his great achievements was the design and construction of the Great Western Railway, connecting London to Bristol via a series of bridges and tunnels.

    Clifton Suspension Bridge

    As a young engineer in 1829, Brunel submitted a bridge design to a competition organised by a Bristol based wine merchant; he proposed a suspension bridge across the Avon Gorge. He won the contract, which became his first major commission, and construction of the Clifton Suspension Bridge (pictured) started in 1836. Due to financial constraints however, the project was postponed and much of the ironwork was sold off. It wasn’t until after Brunel’s death that the work was continued by his engineering colleagues, and it now stands as an iconic structure in Bristol.

    Maidenhead Railway Bridge

    In 1830, Brunel built the Maidenhead Railway Bridge, a crucial brick arch bridge that carried the Great Western Railway across the River Thames between Maidenhead and Taplow. This project presented several challenges; the location of construction had a variable water level and the soft riverbed made it difficult to build secure foundations. To overcome this, Brunel used cofferdams to work beneath the waterline.

    Royal Albert Bridge

    Expanding the Great Western Railway line into the southwest, Brunel came up with the design for the Royal Albert Bridge in 1841, connecting Devon and Cornwall across the River Tamar. Here, he introduced an innovative tubular design, featuring two main spans that incorporated large iron tubes. These helped support the railway tracks while minimising the bridge’s weight.

    Chepstow Railway Bridge

    Brunel designed the Chepstow Railway Bridge over the River Wye in 1852, which connects England and Wales. This unique bridge combines both suspension and tubular principles, using wrought iron chains and a horizontal tube to carry the railway tracks. Its construction demonstrated Brunel’s willingness to experiment with different bridge designs.

    Brunel passed away in 1859 following a stroke at the age of 53. However, his engineering prowess, visionary thinking and bold approach to design left a lasting impact and today his achievements continue to be celebrated as significant contributions to British engineering heritage.

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