SR-91/Van Buren Boulevard Interchange Improvement, Riverside, CA
Client/Owner: City of Riverside
Start/Completion Date: 3/2010-6/2011
Construction Cost: $15.5M
FALCON Engineering Services (FALCON) provided full construction management and inspection service. The project involved replacement of the existing overcrossing bridge with a 61-meter-long, 46-meter-wide, and 2-span cast-in-place prestressed concrete box girder bridge.
The bridge was constructed in two stages with a closure pour; superstructure supported by abutments and columns on spread footings, construction of ramps including a new eastbound entrance ramp, the existing eastbound entrance ramp, and westbound entrance and exit ramps. The work included performing detailed constructability review of the project, management oversight of the fieldwork, quality assurance/control of the completed work, source inspection, safety inspection per Cal-OSHA regulations and enforcement of environmental compliance including SWPPP and dust control. The project also included the construction of various retaining walls; construction/relocation/coordination of multiple utilities along the new alignment, including utilities passing through the bridge’s superstructure cells. The project also consisted of the installation of traffic signals at all intersections, ramp metering, street light, and communication lines, construction of drainage systems along the new alignment, curb and gutter, ADA compliant ramps and sidewalks, metal beam guard rails, slope protection, and landscaping.