Design 1106 Ship to Shore Causeway
Elevation View In 1953 Sparkman & Stephens was commissioned by the U.S. Navy's Bureau of Yards and Docks to prepare design studies of a Ship to Shore Causeway. Here were some basic parameters: a) Maximum length - one mile b) To transport on a LST c) To be able to carry 60 ton track vehicles (tanks) one way and truck traffic two ways d) To erect the first 3,000 ft in two hours f) To erect the balance if 2,280 ft in another four hours g) Adaptability to an irregular bottom at low tide h) Provide support on a miry or marshy bottom i) Not to be overstressed in waves 80' long and 4' high That's a pretty impressive wish list. This study followed on the heels of a previous study by the firm for a light tactical pontoon bridge the previous year, design #1000. The report is extensive but in summary the solution consisted of aluminum decking sections over rubber pneumatic floats with a ramp at the terminal (shore) end. The sections were connected using thr...