A huge celebration is planned for Saturday, September 26 to mark the 1-Year Anniversary of San Bernardino's Mt. Vernon Bridge. The free community Block Party will feature classic car displays, kids' activities & family zone, local food vendors, and community fun for everyone. This celebration of the landmark Inland Empire bridge coincides with the yearlong Route 66 festivities, as the historic mother road officially turns 100 on November 11. The Mt. Vernon Bridge Block Party will run from 9 a.m. to 2 p.m.