Built in the mid-80s came to link the district of Santa Barbara with the street racing access to the main entrance to Toledo by the door hinge and the new exit to Madrid by the knot north. It is a perfect window through which to contemplate his, neighbor and colleague of Alcantara Roman bridge. On November 10, 1983 there was a motion at the Royal Academy that this bridge is called the Azarquiel in memory of Toledo XI century the same name, who lived in Toledo until 1085 they had to move to Sevilla after the conquest Castilian. Astronomer inventor of the Astronomical Tables of Toledo, as amended by Alfonso X, two centuries later were in place and known throughout Europe until the middle of the Renaissance. Tables were main function is to provide astronomers in the sky positions of certain types of stars and the dates on which they place certain cosmic phenomena (such as moon phases, etc.).. They are thus used to specify the exact location of a celestial body in times to come. Azarquiel, who was in possession of accurate data on many events through the work of his assistants could use the tables for predicting solar eclipses happen years or even centuries later. The accuracy of the tables was such that Pierre Simon de Laplace (1749 - 1827), one of the foremost mathematicians of the Enlightenment, still using the comments and annotations Azarquiel for calculations and predictions of planetary positions. His fame reached the point where a crater on the Moon named after him.