The bond insurer for the former general contractor on the Butler County Prison project will visit the construction site Monday.A.G. Cullen, who had been the general contractor up until Thursday, December 20th, terminated their contract with the county, citing nonpayment. The county has withheld money from A.G. Cullen on the grounds of workmanship concerns.Travelers Casualty and Surety, which holds A.G. Cullen’s performance bond, will visit the site tomorrow to determine the nature of the claim filed by the Butler County Board of Commissioners. In the meantime, some work has been continuing at the site until a new general contractor can be found. Travelers is also expected to find a new general contractor to help the project get finished.No word yet on how this will affect the timetable for the project, which is about 70 percent completed.