In The Next Few Weeks, Construction Of The New Route 670 Avens Bridge Located Over South Holston Lake In Washington County Will Be Complete. Then Traffic Will Move From The Old Bridge To The New One. Motorists Should Be Alert To Traffic Pattern Changes In The Coming Weeks. Once Construction Of The New Bridge Is Complete, Disassembling Of The Old Bridge Will Mean A Safety Perimeter Will Be Setup. Delays Of Up To 15 Minutes Are Anticipated.