Project Route 55 Widening from I5 to I405 involved widening 4 bridge widenings namely MacArthur Blvd UC, Dyer Rd UC, Edinger Ave UC, and South Tustin OH over the railroad, 19 retaining walls, and a number of drainage culverts and lane channels. The project costs about 505 million dollars. Analyzer served as an assistant structure representative charged with reviewing and approving submittals, responding to RFI, calculating bridge grades, and performing critical field inspections from July 2022 to August 2024.
Analyzer reviewed the following submittals:
- CIDH pile placement and mitigation plans
- Precast girder shop drawings
- Permanent metal decking shop drawings
- Concrete mixes
- Bridge demolition plans
- Abutment settlement monitoring plans
Analyzer inspected the following operations:
- CIDH pile installation and coring
- Precast girder placement
- Driving steel H piles
- Shoring installation with steel H soldier piles and steel plate lagging