The Akashi-Kaikyo Bridge, connecting Kobe on the mainland with Awaji on Awaji Island, is a huge three-span cable-stayed bridge some 3910 metres in total length with a centre span of 1990 meters. It is the longest bridge of its type in the world, surpassing the Humber Bridge in the U.K. which has a centre span of 1410 meters. The bridge has a wind-proof and earthquake-resistant construction, withstanding winds up to 80 metres per second and earthquakes reaching 8.5 on the Richter scale.