The Collaborative International Dictionary of English v.0.48:

Viatecture \Vi"a*tec`ture\ (?; 135), n. [L. via way + -tecture,
   as in architecture.]
   The art of making roads or ways for traveling, including the
   construction of bridges, canals, viaducts, etc. [R.] --R.
   Park.
   [1913 Webster]