The City of Natchitoches advises the public that on Thursday, Oct. 22, the following streets will be closed at 8:30 p.m. in preparation for a fireworks display at 9:15 p.m. for the Fall Mid-Sized Cities Conference. * Church Street bridge * Williams Ave., from Whitfield Ave. to Henry Ave. All streets will open upon conclusion of the fireworks display once the Fire Marshal has given the all-clear. In preparation for these events, the Downtown riverbank will be closed to all vehicular traffic beginning at 6 a.m. on Thursday.