The estuary of the River Forth, spanned by a cantilever railway bridge (opened 1890) and a road suspension bridge (1964).
- paint the Forth Bridge
Used to indicate that a task is never-ending.‘it's all over for another year except that we must immediately set about seeking next year's sponsor—it's a bit like painting the Forth Bridge’
- ‘Dr Hope added that caring for the Minster was a daunting task similar to painting the Forth Bridge.’
- ‘The old myth that painting the Forth Bridge is a never-ending process has not been true for some time.’
- ‘The trouble is it's like painting the Forth Bridge.’
- ‘The dry-stone walls that divide up the green acres are one of the best-known features of the Yorkshire Dales but maintaining them is a labour akin to painting the Forth Bridge.’
- ‘‘Decorating this house is like painting the Forth Bridge,’ Ryder Richardson says.’
- ‘The cataloguing of the works on paper alone Lady Roberts compares to painting the Forth Bridge.’
- ‘It is like painting the Forth Bridge - you clean a street and two weeks later you are back to square one.’
- ‘Cleaning is a bit like painting the Forth Bridge.’
- ‘What he is asked to do is the equivalent of being asked to paint the Forth Bridge with a pint pot of paint.’
- ‘When painters finish painting the Forth Bridge, they return to the start and begin again.’
With reference to the fact that the railway bridge is so long that once its painters had reached one end, they would have to begin again at the other.