MILWAUKEE — Colliers International has brokered the sale of 310 W. Wisconsin Avenue in Milwaukee for an undisclosed price. The 578,000-square-foot office complex is the third largest multi-tenant, stand-alone office complex in the state of Wisconsin, according to Colliers. Built in 1984, the blue glass building features two office towers connected by an atrium that reaches 14 stories high. The property is situated on the planned streetcar path and is walking distance to the new Bucks arena currently under construction and the proposed Milwaukee Symphony Orchestra development. Major tenants at the property include Captel, Previant Law, the General Services Administration, ESPN Wisconsin 540 AM and the Capital Grille. Tom Shepherd and Dan Wroblewski of Colliers represented the seller, RAIT Reuss Federal Plaza LLC. Time Equities Inc. purchased the complex and an attached 606-stall parking deck.