Grenlandsbrua bridge is Norway´s highest cable-stayed bridge with a tower height of 168 metres. The bridge, which opened in 1996, is on route E18. It crosses the Frierfjord, a fjord which separates the municipalities of Porsgrunn and Bamble. When built, it replaced Brevik Bridge as the primary route across the fjord.
Grenlandsbrua bridge is 608 metre long bridge uses cable stayed construction to provide clearance for vessels up to 50 metres in height. The stay cables are arranged in 21 cable pairs with lengths from 84 to 287 metres. The bridge´s span is 305 metres.