State Route 104 | ||||
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SR 104 is highlighted in red, with the ferry route being highlighted in pink.
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Route information | ||||
Auxiliary route of US 101 | ||||
Defined by RCW 47.17.175 | ||||
Maintained by WSDOT | ||||
Length: | 31.75 mi (51.10 km) Mileage does not include ferry route |
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Existed: | 1964 – present | |||
Major junctions | ||||
West end: | US 101 near Discovery Bay | |||
SR 19 near Port Ludlow SR 3 near Port Gamble SR 524 in Edmonds SR 99 in Edmonds I‑5 in Shoreline |
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East end: | SR 522 in Lake Forest Park | |||
Location | ||||
Counties: | Jefferson, Kitsap, Snohomish, King | |||
Highway system | ||||
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State Route 104 Spur |
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Location: | Shoreline–Edmonds |
Length: | 0.34 mi (0.55 km) |
Existed: | 2009–present |
State Route 104 (SR 104) is a 31.75-mile-long (51.10 km) state highway in the U.S. state of Washington, serving four counties: Jefferson on the Olympic Peninsula, Kitsap on the Kitsap Peninsula, and Snohomish and King in the Puget Sound region. It begins south of Discovery Bay at U.S. Route 101 (US 101) south of Discovery Bay and crosses the Hood Canal Bridge over Hood Canal to the terminus of SR 3 near Port Gamble. SR 104 continues southeast onto the Edmonds–Kingston Ferry to cross the Puget Sound and intersects SR 99 and Interstate 5 (I-5) before ending at SR 522 in Lake Forest Park. SR 104 also has a short spur route that connects the highway to SR 99 at an at-grade signal on the Snohomish–King county line.