Modjeski and Masters is a nationwide leader in the design, inspection, and rehabilitation of all bridges types, including lon ... g-span and movable structures. The firm primarily serves state transportation departments, port and turnpike authorities, and railroads. Additional lifecycle services include: field instrumentation and nondestructive testing, bridge security and vulnerability analysis, vessel collision analysis, scour analysis, suspension bridge cable and suspender investigations, fatigue evaluations, emergency evaluations and forensic studies, seismic evaluation and design, and bridge research/code/course development. read more