Murphy Pacific Marine built the '' Marine Boss '' floating barge-crane in 1966 with a capacity to perform the heavy box girder and deck-section lifts . The heavy lift capacity of '' Marine Boss '' enabled Murphy Pacific to raise much longer prefabricated girders than existing barge cranes would have allowed . Box girder and deck sections were fabricated in Murphy Pacific 's Richmond yard and were carried by '' Marine Boss '' to the bridge construction site . '' Marine Boss '' was sold for scrap in 1988 to Weeks Marine in New Jersey , who renamed it the '' Weeks 533 '' and refurbished it . '' Weeks 533 '' has since been used for several notable heavy lifts , including moving the Concorde and '' Enterprise '' onto the Intrepid Sea , Air & Space Museum and lifting the downed hull of US Airways Flight 1549 from the Hudson River
US Airways Flight 1549
US Airways Flight 1549
San Mateo–Hayward Bridge