History
The bridge was made by Werkspoor op Oostenburg. In 1911 the controls were given electric power with a drive from the NB Haarlemsche Machinefabriek v / h / Gebr. Figee. Some repair work had to be done in 1936, but the bridge actually did its job perfectly since its placement. However, today the bridge is controlled in the same way as the adjacent bridge 327, which resulted in a saving on the lubrication frequency from 10 times a month to once every quarter.
According to Smit van Wichert, the designer was Arend de Graaf and belongs to his first generation of drawbridges. Very few of them are left, because they became outdated, and also looked somewhat crude. In the years following construction of this bridge, De Graaf's drawbridges became somewhat more ornate, so the movement work became open (it is closed at bridge 80). It was not until 1915 that the definitive De Graaf drawbridge took its shape under the influence of structural engineer Adriaan Dwars. The end result of all improvements can be found in bridge 307, the result of a collaboration with Piet Kramer.
Double wooden drawbridge established by Jacob Olie in 1891
Daylight print made by industrial photographer Gustaaf Oosterhuis (1858-1938) of the drawbridge in the Hoogte Kadijk, ca 1902
The bridge in May 2017
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Vlotbrug translates from Dutch into English as "raft bridge". It is a special kind of floating Retractable bridges at the Great North Holland Canal which pivot either centrally or from one or both banks of a body of water to allow vessels to pass through.
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The Nieuwe Vaart or Nieuwevaart is a 17th-century canal in Amsterdam that runs from the center to Amsterdam-Oost.
Martelaarsgracht is a street and former canal in Amsterdam, the Netherlands.
