Casco Bay Steel Structures, Inc. was established in 1997 and has continually grown to meet the needs of bridge projects throughout New England and New York. Casco Bay Steel Structures, Inc. is an AISC certified bridge fabrication company with fracture critical and sophisticated paint endorsements. Casco Bay Steel Structures, Inc. is also a member of the national Steel Bridge Alliance. Casco Bay Steel Structures, Inc. has 3 plants, located in Saco and South Portland, Maine, totaling over 200,000 sq/ft of fabrication space with 140+ tons of lifting capacity on 45 acres of property.