Chepstow Railway Bridge, built in 1851.

Chepstow bridge over the River Waye, Monmouthshire, 1851.

Chepstow bridge over the River Waye, Monmouthshire, 1851.

Chepstow Railway Bridge, Monmouthshire, 1851.

Chepstow Railway Bridge, Monmouthshire, 1851.

The River Wye, near Chepstow, Monmouthshire, Wales, c 1850-1900.

Forth Bridge.

Diagram of the Forth Bridge

Sydney Harbour Bridge, Australia, 1932.

Bridges of London, 1773.

View of the Forth Bridge, January 1997.

Oblique wooden bridge, Bath. Built in 1846.