The Lake Street Bridge at Ithaca Falls will be closed effective Monday until further notice prompting the detours of both Routes 13 and 36.Route 13 will travel Cayuga Street in both directions. Temporary bus stops will be at Cayuga Street @ Ithaca High School and Cayuga Street @ Boynton Middle School.Route 36 inbound will travel Cayuga Street, to East Fall Street to Lake Street. Route 36 outbound from Cornell will use Lake Street, East Fall Street to Cayuga Street. Route 36 a.m. trips will use Cayuga Street to Lake Street. Temporary bus stops will be at Cayuga Street @ Ithaca High School and Cayuga @ Lake Street (East Shore Drive).