CONSHOHOCKEN, PA. — Newmark Knight Frank has negotiated the $108 million sale of Eight Tower Bridge, a 16-story, 346,659-square-foot office tower in Conshohocken. The property features a tenant roster that includes Marsh & McLennan Cos., Allied Universal, Penn Mutual, AMG Funds and Airgas. Edward Maher, Matthew Pullen and James Tribble of NKF represented the seller, Barings, in the transaction. The buyer was American Real Estate Partners. The property also includes a seven-level, 1,200-space parking garage.