Thanks for the comments.
The bridge spans 92mm\3.6 inches between the towers.
The towers are 150mm\5.9 inches tall from base to top of roof
The base is 202mm X 55mm\ 8 inches X 2.2 inches
The parts pages were printed to fit on A4 size cardstock 176gsm/65lb and was 78% of the original size of the downloaded pages.