Gregory A. Banks
• Bridge Seismically Deficient
• Damage or loss poses economic risk
1940 Construction
1969 Construction
• Main Span: 134’-0” | End Spans: 55’-6”
6
7
– Columns and Crossbeams
10
8’-0”
50’-0”
12
13
18
• Marked excellent collaboration between Owner, Researchers, Designers, Precaster, and Contractor
Project Overview – Replacement Bridge
• Testing Report – Spread
• Construction Specifications
– Material controls
– Tolerance control
• Prefabricated elements
– Environmental benefits with reduced CIP
concrete over salmon bearing waters
25
3. NEW BRIDGE + TEMP 4. NEW BRIDGE
Construction Constraints/Schedule
• Permit Adjustment
– Contractor submitted a no-cost change
proposal to switch substructure to CIP
30
34
• Response:
36
• Certified PCI Prefabricator Required?