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Temporary dams planned for Clear Creek to allow culvert removal
Good-bye culvert, here comes the bridge.
The three-sided box culvert on Myhre Road has been dug out and crews are preparing to tear it out next week.
The culvert will be broken apart along the seams of concrete blocks that make it up and hauled away in pieces.
Work on the project, which began at the end of May and has since contributed to traffic clog-ups throughout downtown Silverdale, is right on schedule, said contractor Stan Palmer.
His company, Stan Palmer Construction, Inc. of Port Orchard, is expecting the go-ahead from the state Department of Fish and Wildlife to block Clear Creek on both sides of the construction site.
When we dam the creek, Fisheries (department) will come catch the (salmon) and release them on the other side, said Barry Tester, project superintendent.
Once the water flow under the bridge is temporarily halted, the culvert can be removed without debris washing into the creek.
Thus far, crews have set in support piles on the creeks western shore. This week they inserted timber logs between the support piles to create a frame for the concrete wall they will next pour in place.
The same structure to the east will frame the bridges span. The box culvert is barely 20 feet wide, Tester said. The new bridge will have an inside width of 49 feet, allowing more than double the space for Clear Creeks waters to run through.
The whole purpose of this entire job is to prevent all the flooding thats been happening around here, Tester said. This culvert has been the choke point for all the water.
During heavy rains, Clear Creek has backed up, causing flooding in nearby businesses and roadways.
As part of the construction a 3-4 feet high retaining berm will be raised from the bridge, along the creek, behind the bowling alley to Silverdale Way.
Two retention ponds also will be created behind All Star Lanes. There, storm water will drain in and run through a bio swell, a wide open ditch full of vegetation that sifts the debris out of the water before it reaches Clear Creek.
Once the culvert is destroyed and cleared away, beams will be laid across the gap. The new bridge will carry a third new lane Â a turn lane from Myhre onto Mickelberry Road. A number of utilities, including water, electricity and phone, will run beneath the new bridge.
Work is expected to continue through mid-October. The project is part of a new storm drainage system along the Clear Creek corridor. The Myhre Road bridge improvements aim at eliminating the underwater bowling league, Palmer said with a smile.