Modjeski and Masters Email Format

Civil EngineeringPennsylvania, United States201-500 Employees

Modjeski and Masters is a civil engineering firm that specializes in the design, inspection, and rehabilitation of bridges, including long-span and movable structures. Its core clients are state transportation departments, port and turnpike authorities, and railroads. Beyond project work, the firm offers lifecycle services such as field instrumentation and nondestructive testing, vulnerability and seismic analyses, scour evaluations, fatigue assessments, emergency investigations, forensic studies, and bridge research and code development.

Based in Mechanicsburg, Pennsylvania, the company operates as a mid-sized firm with a nationwide reach. In March 2026, Modjeski and Masters partnered with Luzerne County to explore a bridge solution intended to enhance safety and support economic growth in the Nanticoke communities.

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