Long delays expected next week at Hwy 299W in Trinity Co. Cal Trans says sporadic closures will be scheduled next week on Highway 299W in Trinity County, due to maintenance work. Posted: Apr 9, 2021 10:02 AM Updated: Apr 9, 2021 10:03 AM Posted By: Jafet Serrato TRINITY COUNTY, Calif. - Cal Trans says sporadic closures will be scheduled next week on Highway 299W in Trinity County, due to maintenance work. Workers from Cal Trans as well as Myers & Sons Construction will be conducting the maintenance operations at several bridge locations on April 12, 14, and 16. Due to the nature of the work, Cal Trans says the bridges will need to be elevated several inches causing a 60-minute closure twice a day.