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Ralph Modjeski's consulting engineering practice began in 1893 with an assignment to design the approach and swing span of a Mississippi River crossing at Rock Island, Illinois. Our firm is still supplying services on this bridge after 110 years. This marked the beginning of what has become a Modjeski and Masters specialty as a leader in movable bridges.
We offer in-house structural, electrical and mechanical disciplines for the design of all types of highway and railroad movable bridges.
Over the past decades, we have completed dozens of movable bridge design projects. Included are designs for replacement, upgrading and repair based on investigation and inspection of existing conditions, and new designs. We also provide services for those alterations required by the Truman-Hobbs Act to correct obstructions to navigation.
Modjeski and Masters offers state-of-the-art specialized engineering services to preserve and maintain the future safety and operating reliability of movable bridges.
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