HC Deb 23 February 1973 vol 851 c223W
Mr. Cordle

asked the Secretary of State for the Environment what studies his Department has made of the economic viability of medium-span box girder bridges.

Mr. Peyton

The relative economics of all forms of bridge construction are assessed on a continuing basis. At particular sites medium span box-girder bridges were shown to be economically viable at the time of their selection.