Mill Creek Residential has collided with NIMBYism in Marin County, with Fairfax officials unwilling to consider the town’s largest proposed apartment project, a major part of its state housing plan.

Montgomery County Commissioner Neil Makhija, who also lives in Lower Merion, said 3.6 million cars use the bridge on Mill Creek Road each year. “This is one of 131 bridges in the entire county.

Residents at Millcreek of Pontotoc, some as young as 6, need constant care that includes therapy, medication and education. “When you have a child with severe problems, we focus on all the ...