trestle bridge
noun1
A bridge supported on a system of trestles.
- Just beyond Base Station, the Ammonoosuc River is crossed on a simple trestle bridge.1954 November, Robert F. Legget, “The Mount Washington Cog Railway”, in Railway Magazine, page 790:
- A timber trestle bridge was used in this instance because the boggy peat soil offered only a poor foundation. The piles extend 25 ft. below the surface of the ground.1957 January 23, “Notes and News: A Trestle Bridge in the Highlands”, in Railway Magazine, page 65: