The Forth Bridge under construction, showcasing the steel structure and cranes, with the river and nearby buildings visible.
The Forth Bridge under construction, 1880s

The Forth Bridge is one of the greatest monuments to Victorian railway engineering.

The Tay and Forth Bridges were vital to the expansion of the Scottish railway system. For the companies running trains north of the east line, the bridging of the Forth and Tay estuaries was essential for shortening journey times from Edinburgh to Aberdeen. Until the opening of the Forth Bridge, railway passengers had to cross the river at Queensferry on “train ferries”.

Architectural drawing of the Forth Bridge featuring general elevations and plans, including detailed views of the bridge structure and supporting towers.
Contract plan and elevation of the Forth Bridge, c. 1880s. NRS RHP1433341. Courtesy of Network Rail Corporate Archive.

Sir Thomas Bouch was also engineer for the Forth Bridge, but his design for a suspension bridge was abandoned after the Tay Bridge collapsed. Sir John Fowler and Benjamin Baker produced a new cantilever design, which was built by Sir William Arrol & Co., a Scottish civil engineering and construction business founded by William Arrol and based in Glasgow. The bridge took six years to complete and claimed the lives of 57 workmen. It required 55,000 tons of steel and eight million rivets.

A historical invitation certificate for the official opening of the Forth Bridge on March 4, 1890, featuring an illustration of the bridge and surrounding water, with decorative border and text.
A pictorial invitation to the engineer James Bell to attend the opening of the bridge on 4th March 1890. The Prince of Wales opened the bridge and drove into place the final rivet. NRS GD1/556/10. This image has been digitally brightened to make it easier to see details.

This post is the second in a series looking at some of the most striking and interesting items in the collections of National Records of Scotland. The first, on a 17th Century Gaelic eulogy, is available on Open Book.

The text of this post is taken from Treasures of National Records of Scotland, 2025. This book is available to purchase at the Scotland’s People online shop.

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