Modjeski and Masters - Home Modjeski and Masters

Experience great bridges.

We‘re wherever you need us to be

Modjeski and Masters has offices in multiple locations throughout the U.S. We're a part of the communities we serve, but with a global outreach. Our reputation for responding to the needs of our clients — from planned strategies to emergency situations — has established Modjeski and Masters as one of the world's premier bridge engineering firms. To begin your great bridge experience, contact a representative in the office most convenient to you.

Corporate Headquarters
Mechanicsburg, PA - Corporate Headquarters
100 Sterling Parkway, Suite 302
Mechanicsburg, PA 17050
Phone: (717) 790-9565
Toll-Free: (888) 663-5375
Mechanicsburg@modjeski.com
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Located Outside the United States?
Modjeski and Masters takes on projects of all sizes in other countries.
Call (717) 790-9565 for more information.

Regional Offices

District Of Columbia
Washington, DC
955 L'Enfant Plaza SW
Suite 6312 - North Building
Washington, DC 20024
Phone: (202) 863-7045
WashingtonDC@modjeski.com
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Illinois
Edwardsville, IL
4 Sunset Hills Profssnal Center
Edwardsville, IL 62025-3760
Phone: (618) 659-9102
Edwardsville@modjeski.com
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Louisiana
New Orleans, LA
1055 St. Charles Avenue, Suite 400
New Orleans, LA 70130
Phone: (504) 524-4344
NewOrleans@modjeski.com
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Missouri
St. Louis, MO
1800 Chouteau Avenue
St. Louis, MO 63103
Phone: (314) 588-8115
StLouis@modjeski.com
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New Jersey
Moorestown, NJ
155 East Third Street
P.O. Box 737
Moorestown, NJ 08057
Phone: (856) 608-7400
Moorestown@modjeski.com
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New York
Poughkeepsie, NY
301 Manchester Road, Suite 102
Poughkeepsie, NY 12603
Phone: (845) 471-2630
Poughkeepsie@modjeski.com
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Pennsylvania
Philadelphia, PA
1341 North Delaware Avenue, Suite 308
Penn Treaty Park Place Building
Philadelphia, PA 19125
Phone: (215) 609-1990
Philadelphia@modjeski.com
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West Virginia
Charleston, WV
4510 Pennsylvania Avenue, Suite E
Charleston, WV 25302
Phone: (304) 965-1870
Charleston@modjeski.com
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100 Sterling Parkway, Suite 302
Mechanicsburg, PA 17050
(717) 790-9565

Modjeski and Masters is recognized as one of the world’s leading bridge engineering firms. Our technical expertise in bridge design, inspection and rehabilitation sets the standards for the rest of the industry to follow. We offer our clients a full range of services, including fixed bridge design, movable bridge design, bridge inspection services, highways and interchanges, bridge research, vessel collision evaluation and design, bridge code development, bridge modeling and bridge design visualization. We are committed to building relationships with our clients that continue throughout the life cycle of a bridge. For more information, contact the Modjeski and Masters office closest to you.

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