Built in 1966, by Albina Engine and Machine Works of Portland, Oregon (hull #393) as the Mary Rose Brusco for the Brusco Towboat Company of Longview, Washington.
In 1978, the Brusco Towboat Company was acquired by the Knappton Towboat Company of Astoria, Oregon. Where the tug retained her name.
In 1986, the tug was acquired by Brusco Tug and Barge Company of Longview, Washington. Where she retained her name.
She is a twin screw tug, rated at 1,600 horsepower.