... that the designers had taken the opportunity on the multispan Llanfaes Bridge to avoid any lowering of the river bed under the outer two arches. Theoverall bridge protection scheme is much simplified because of this. In similar situations on bridges with fewer spans, it is usual that abutments also have...

...DG HUTCHINSON; RA SMITH BRECON WALES USK LLANFAES UK © Thomas Telford and ICE 1986 SIR M MACDONALD AND PARTNERS THYSSEN GREAT BRITAIN LTD FLOODS ALLEVIATION FEASIBILITY DESIGN CONSTRUCTION RIVERS BEDS LOWERING BRIDGES MONUMENTS ANCIENT STUDIES METHODS...