The EX-351 road links Villanueva de la Serena with the N-430 highway, the section of the project has a length of about three kilometers and its route crosses the Guadiana river in this section, other than the natural channel, has a artificial channel for flood prevention.

The complete works of the bridge is divided into two parts:

1.- The bridge over the natural course of the river Guadiana
2.- The bridge over the artificial channel