NTH’s Value Added:
NTH provides clients with expertise in both design and inspection services and have abundant knowledge of bridge deterioration trends, fracture critical inspection and fatigue prone detail identification as well as high level exposure to ABC and alternative installation and repair techniques. |
Bridge Engineering ServicesNTH has a history of providing complete and thorough work products for owners of both public and private transportation facilities and general infrastructure. NTH is prequalified by MDOT to provide statewide Bridge Scoping services and holds a contract for as-needed geotechnical services for MDOT’s Metro Region and as-needed SUE services statewide.
Below is a list of services and a sampling of projects that NTH has completed which demonstrate our experience and ability to perform these engineering services. Bridge Scoping During site investigations, NTH sounds concrete elements and conducts visual inspections of deck undersides, substructure units for indications of movement, and bridge railings and pedestrian fencing for damage. NTH also conducts underwater inspections of bridge foundations. NTH has a track record of delivered numerous bridge scoping projects for MDOT in the past including:
Bridge Inspection NTH has performed regular bi-annual and beam end inspections as well as element specific investigation including:
Geotechnical and Material Testing Services NTH has provided these services for numerous bridges, including site investigations, laboratory testing, evaluation of soil and groundwater, providing recommendations for support of these bridges and providing quality control and testing during construction. A few examples of our work include:
Rehabilitation Services NTH has been involved in the design and construction monitoring of numerous rehabilitation projects that involve application of construction materials to extend the life of a structure. Some of these include concrete decks for parking structures, concrete basin floors and walls (crack injections and spalling repairs), shotcreting of concrete tunnel liners, structural steel modifications for buildings and others. A few examples of our work include:
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