WSDOT plans to work on SR-302 for the better part of a year. Courtesy WSDOT

Wauna/Purdy traffic may be getting a whole lot worse before it gets better.

The Washington State Dept. of Transportation is scheduled to begin roadwork at the end of August on State Route 302 from Minter Creek east to Purdy that will include intermittent closures of the Purdy Spit Bridge.

The work will replace three culverts on SR-302 with larger culverts and a bridge creating or improving salmon passage. The potential habitat gain for fish is 25 miles (21.3 miles for Minter Creek and 3.7 miles for Little Minter Creek), according to the Washington State Department of Fish and Wildlife.

WSDOT will also repave miles of the highway east from Minter Creek toward Purdy. The work will include improvements at the intersections of SR-302 and 94th Avenue NW and SR-302 and Purdy Drive NW for pedestrians and bicyclists in accordance with the Americans with Disabilities Act.

WSDOT said the Purdy Spit Bridge will be closed for deck repairs for as many as three weekends and additionally for as long as a week. The bridge deck work will take place day and night. Drivers will be detoured north around Burley Lagoon.

Crews will also make improvements to the on- and off-ramps from SR-16 to SR-302.

WSDOT will “conduct earthwork, culvert installation, paving, guardrail repairs and installation, stream profile realignment, stream restoration, erosion control and water management,” it said in a statement.

Work is scheduled to begin in “late summer 2019” according to WSDOT and continue for a year. “Drivers should expect daytime lane and shoulder closures, extended weekend closures, extended on- and off-ramp closures and up to a full, weeklong closure of the Purdy Spit for deck repairs.”