Preliminary investigation of the bridge collapse at Tretten on 15 August 2022
On the morning of 15 August 2022, at 07:33, Tretten bridge collapsed and fell into the Gudbrandsdalslågen river and onto the E6 road. The Norwegian Safety Investigation Authority (NSIA) is publishing an information document to provide a brief update on developments in the technical examinations and the findings made so far. The information document is based on factual information obtained and traces and parts secured from the bridge.
Read the information document here.