User talk:Vlad.fridman

Longest span of the bridge L = 1410m, earth's radius R = 6371000m. Arch angle A = L / R. Top of columns is further apart than bottom by X = H * A, where H is columns hight, which is 155m. X = H * L / R = 0.0343038769424 m ~= 34mm. Not 36.