From Lynchburg City: Beginning Tuesday, March 6, the right lane of the Route 29 North Expressway, near the Main Street Bridge, will be closed long term to allow for the ongoing demolition of the old Main Street Bridge and the construction of the new bridge.  Motorists are asked to be aware of the closure and to proceed accordingly.  Detour signage will be in place. The right lane of the Route 29 South Expressway, which closed January 24, will continue to remain closed long term for this demolition/construction project. The Main Street Bridge Replacement Project includes: