Bikers accessing part of the Lake Wobegon trail should be aware of a detour.

Stearns County officials report contstruction began this week on a culvert that runs under the Lake Wobegon Trail, north of Two Rivers Lake County Park, which is east of County Road 10.

A detour of the trail will run along 390th Street. Signs are posted for bikers. The project is expected to be completed within a few weeks.