Commercial real estate operator Brandywine Realty Trust, Radnor, said it formed a joint venture with Current Creek Investments L.L.C. to invest in properties in the Washington area.

Brandywine is contributing three office properties valued at $156 million to the venture.

Both partners also have allocated $75 million in equity "to pursue additional office property investments" in the Washington region, Brandywine said in a statement.

Current Creek is a wholly owned subsidiary of Allstate Insurance Co.    - Reid Kanaley