The Alversund Bridge is a suspension bridge spanning the Alverstraumen, a narrow strait between the island of Radøy and the mainland in the village of Alversund in Alver Municipality in Vestland county, Norway. The bridge was opened for traffic on 29 June 1958. The Alversund bridge was the first toll bridge collaboration project between the municipalities in the region of Nordhordland. The bridge's main span is 198 metres (650 ft) and the maximum clearance to the sea is 27 metres (89 ft).