Remains of gigantic Roman Valley bridge on the via Flaminia, the southern arc is preserved. One of the most notable evidence of Roman bridge art. Originally, she had probably 4 arches, and was spans 128 to 160 m long, with exceptional (it is estimated 32 m 10 m 17 m 16 m). Famous picture of Jean-Baptiste-Camille Corot (1796-1875) "The Augustus bridge at Narni", 1826, Musée you Louvre-Paris