| 1. |  | BP Bridge, spanning Columbus Drive, November 22, 2003 | Girders; Construction workers; Scaffolding; STreets; Hoisting machinery; Skyscrapers; | A box girder is hoisted from above by a crane. The center box girder of BP Bridge's span is already in place at right. Columbus Drive was closed to traffic for a 12-hour period as workers installed three... |
