Trengsel bridge (Norwegian: Trengsel bru) is a bridge that crosses the Trengselet strait in the municipality of Sørfold in Nordland county, Norway. The 179-metre (587 ft) long bridge is on the European route E6 highway between Fauske and Narvik. From the bridge, the beginning of an old railway tunnel for the Polarbanen railway line can be seen just to the north of the eastern end of the bridge.