Printed from: https://conservationhandbooks.com/footpaths/boardwalks-and-bridges/design-of-superstructure/
Width The width is measured between the handrails. When calculating the width of decking and the distance apart of the main beams, allowance must therefore be made for the thickness of the handrails. Below are the standards recommended in ‘Footbridges in the Countryside’ (Countryside Commission for Scotland, revised 1989). For bridges receiving occasional pedestrian use...