Sr 5 replacement project - portage bay bridge portion. Shoreline substantial development permit to allow replacement of the existing portage bay bridge in an environmentally critical area. Proposed bridge will be 6 lanes with a height of 84 from the water line to the top of guardrail on the west end and a height of 27 from the water line to the top of guardrail on the east end, with a total length of 2,700. Work includes 50,341 cu. Yds. Of grading. Project includes construction of temporary work bridges and off-site mitigation. Mitigation site review under project 3012591. Environmental documents prepared by washington state department of transportation (wsdot) and the federal highway administration.