Abstract
This paper reviews Machizai documents which were recently found by one of the writers. The documents are from the viewpoint of constructing the Tuujun Bridge. Firstly, the political and tax systems of Kumamoto during the Edo period and civil engineering works undertaken by Futa family are described, The contents of Machizai documents are reviewed. Secondly, We discuss the importance of political and economical aspects of the construction of the r Ibujun. Bridge. Thirdly, the changes to the villages' economies after the bridge construction are illustrated. A Comparison between Machizai and another study on the Tuujun Bridge is also made. The political procedure of the Tuujun Bridge's construction is explained.
