bridge inspections

Aaron Swan & Associates, Inc. is a materials testing and engineering consulting firm founded in 1975 in Pierre, South Dakota. It operates multiple materials laboratories and a fleet of mobile labs, offering materials testing, geotechnical investigations, civil engineering, and construction services to federal, state, local, tribal, and private construction clients.

asphalt testingcivil designconcrete testingconstruction monitoringfield materials testinggeotechnical drillinggeotechnical investigationsmaterials laboratory testingsoil testing

AVI provides civil engineering, planning, and surveying services across the Rocky Mountain region. Since 1979, the firm has combined local knowledge, technical expertise, and hands-on principal involvement to help clients navigate projects from initial planning through construction, with a focus on keeping projects on schedule, within budget, and built to last.

civil engineeringconstructability and plan reviewconstruction administrationcost estimatingdrainage designplanningproject managementpublic outreachroadway corridor studiesroadway designSanitary Sewer DesignStormwater Designstructural designSurveyingtopographic surveysTransportation Planningutility coordinationvalue engineeringwater design

Biggs Cardosa Associates, Inc. is a structural engineering firm whose mission is to deliver structural design, engineering, project management, construction management, and inspection services. The firm has worked on buildings, bridges, transportation, transit, tunnels, infrastructure, parking structures, and marine projects, and describes itself as a leader in structural engineering using state-of-the-art computer capabilities for analysis, design, and drafting.

Construction Managementmaterials testingseismic evaluation and retrofitspecial inspectionsstructural engineeringstructural observationvalue engineering

Brudis & Associates, Inc. (BAI) is a consulting engineering firm serving federal, state, local agencies and private corporations. BAI provides engineering services for highway, bridge and structures, drainage and traffic design, planning, and analysis, along with construction management and inspection (CMI) services.

Bridge Designclaims analysisconstruction management and inspectionconstruction schedulingEnvironmental permittingGIS analysis and mappinghighway designhydrology and hydraulics analysisstormwater managementstream restoration/stabilization designSurveyingtraffic designTraffic Signal Design

Commonwealth Engineers & Consultants, Inc. (CE&C) was founded in April of 1987 as a multi-disciplinary Professional Civil Engineering Firm located in Providence, RI. CE&C provides a single source of professional services to public and private clients, with staff comprising Professional Engineers registered in both RI and MA. Services encompass all phases of civil engineering practice from initial planning to final design.

Bridge Designcivil engineeringconstructabilitycost estimatingEnvironmental permittingFailure Evaluation & AnalysisFoundation & Retaining Wall DesignHighway & Traffic DesignInspection & Condition SurveysLand Planning & Feasibility StudiesParking Lot DesignSeismic & Fatigue Retrofittingsewer designsite developmentStormwater Management Analysis & Designstructural engineeringStructure Type StudiesTraffic Analysis & StudiesTraffic Signal Design

Crofton began as a commercial diving company in 1949 and today offers solutions above and below the waterline, combining expertise in commercial diving, marine construction, and crane rental & rigging. It is a family owned and operated business based in Portsmouth, Virginia, employing over 120 individuals, and serving the maritime, utility/energy, and agriculture segments.

barge & tug servicescofferdam constructioncommercial divingcrane rental & riggingdemolitiondesign-buildequipment rentalheavy liftingmarine constructionsalvage and recovery operationsspecialized hauling