Sannesund Bridge (Norwegian Sannesundbrua) is a motorway cantilever bridge that crosses Glomma river in the town of Sarpsborg in Østfold county, Norway. The bridge is 1528 metres long, the longest span is 139 metres, and the maximum clearance is 30 metres. The bridge has 48 spans. Sandesund Bridge was opened in 1978. It leads the traffic on the E6 past Sarpsborg. Under the bridge is a narrow pedestrian bridge over Glomma. A new bridge parallel to the old one was opened in May 2008. The old bridge was subsequently closed for renovation. It opened again in November 2008, creating a four-lane motorway.