There will be several lane closures over the next couple of weeks that may impact commuters traveling on SH 360 in the Grapevine area. Starting next week, NorthGate Constructors plans to begin setting girders, or bridge beams, on two new bridges near William D. Tate Avenue: a bridge over the exit ramp to Hall-Johnson Road and a bridge over Stone Myers Parkway. To perform this work, NorthGate Constructors will need to put a series of closures in place for the safety of the traveling public.   Lane closures are as follows:

• Closure: Southbound SH 121 off-ramp to Hall Johnson Road Dates and Times: 8 p.m. to 6 a.m. each night from 7/20 to 7/24 and 7/27 to 7/30; 8 p.m. on 7/31 to 8 p.m. on 8/1. Lanes Open: No lanes open. Lanes Closed: Ramp closed. Traffic will be detoured to Glade Road.

• Closure: Southbound SH 121 off-ramp to SH 360 Dates and Times: 8 p.m. to 6 a.m. on 7/21. Lanes Open: No lanes open. Lanes Closed: Ramp closed. Click here for a detour map.

• Closure: Southbound William D. Tate Avenue south of Mustang Drive Dates and Times: 8 p.m. to 6 a.m. each night from 7/22 to 7/24 and 7/27 to 7/29. Lanes Open: Right lane open. Lanes Closed: Left lane closed.

• Closure: Southbound SH 121 at SH 360 Dates and Times: 8 p.m. to 6 a.m. each night from 7/27 to 7/30; 8 p.m. on 7/31 to 8 p.m. on 8/1. Lanes Open: Left lane open. Lanes Closed: Two right lanes closed.

• Closure: East and westbound Stone Myers Pkwy. under SH 121 Dates and Times: 8 p.m. to 6 a.m. each night from 7/27 to 7/30. Lanes Open: No lanes open. Lanes Closed: All lanes closed. Click here for a detour map.

• Closure: North to southbound SH 121 frontage road U-turn Dates and Times: 8 p.m. on 7/31 to 8 p.m. on 8/1. Lanes Open: Left turn lanes open. Lanes Closed: U-turn closed.