Reply(1) Bridge work will impact the area around the Interstate 66 and Capital Beltway interchange on Friday, April 30 and Saturday, May 1. (Shutterstock) FAIRFAX COUNTY, VA — Overhead bridge work will prompt lane closures, traffic stoppages, and ramp closures at the Interstate 66 and Capital Beltway interchange Friday night and Saturday night. The traffic impacts are part of continued bridge beam installation at the interchange as part of the Transform 66 Outside the Beltway Project, according to the Virginia Department of Transportation. Southbound I-495 and westbound I-66 will be reduced to a single travel lane approaching the I-66/I-495 interchange each night. Southbound I-495 between Route 7 and I-66 will be down to one travel lane on Friday, April 30 and Saturday, May 1 from 10:30 p.m. to 5 a.m. Periodic stoppages up to 20 minutes will happen each night.