This project will demolish the existing 3,500 feet long Sixth Street Viaduct, which spans over the Los Angeles River, railroad corridors, adjacent industrial properties and the 101 Freeway. Constructed in 1932, the concrete structure is deteriorating due to alkali‐silica reaction. Some historic light poles in good condition and existing bronze plaques will be salvaged and possibly reinstalled. A new iconic bridge which is approximately 3,700’ in length (700’ long approach embankment plus 3,000’ of elevated structure) and 94’ wide out‐to‐out total bridge width. The total construction cost of the project is over $420 Million. This project is being delivered via CM/GC method. The Alliance Group Enterprise, Inc. was selected as part of the Construction Management Team to assist City of Los Angeles in managing and working with the contractor on several construction packages which includes the demolition of several commercial buildings, construction of new Bureau of Street Services Yard and Building, relocation of several high voltage powerlines and many other large‐size utilities. TAGC is also responsible for the review and responding RFI, CO request from the contracts and vendors. TAGC as a part of the Construction Management team for the City of Los Angeles conducts utility assessment, coordinating the removal and relocation of utilities including utilities that is owned by Bureau of Street Services and Bureau of Street Lighting, Los Angeles Department of Water and Power. TAGC prepares cost estimate as an alternative to those proposed by the contractors and other utility companies and submit the estimate to the City of Los Angeles.