An interior bearing wall supporting one floor only, will have a girder constructed of 2- 2×12’s . The building is 22′ wide and the material is southern pine. What is the maximum span for this girder?

An interior bearing wall supporting one floor only, will have a girder constructed of 2- 2×12’s . The building is 22′ wide and the material is southern pine. What is the maximum span for this girder?