From the internet (from prior news I understood the whole bridge was going to be closed for repairs?):
PANAMA’S Ministry of Works (MOP) will be working on repairs and maintenance of the Bridge of the Americas for the next 10 months, which means the closing of some lanes. The timetable the Ministry has given for September is:
8 a.m. to 5:30 pmClosing of a lane, with an approximate length of 100 meters. Two operating lanes to La Chorrera, One operating lane to Panama City or vice versa.
8:00 pm - 4:30 am. Closing a south side or north side lane, with an approximate length of 100 meters. North side lanes operating, one to La Chorrera and the other to Panama Centro or vice versa.