A spline to represent a 6m-wide timber road bridge over rail tracks in a cutting. A no-traffic invisible road spline passes over the bridge deck.
For trestles to support the deck use <kuid:368725:20536> 'NSWGR wooden trestle bent (pier) for road bridges, butressed single storey, 18ft' and <kuid:368725:20537> 'NSWGR wooden trestle bent (pier) for road bridges, butressed single storey, 20ft'.