BELGRADE - The Maine Department of Transportation has closed part of Castle Island Road in Belgrade after part of a bridge structure failed. The affected area is approximately two miles west of Route 27. Signs are posted to direct drivers to a 14-mile-long detour that uses Watson Pond Road a town road. The bridge is scheduled to be replaced in 2024. Maintenance crews and department management are working on a short-term fix to be able to reopen the road.