Bridges--South Carolina; Bridges -- Design and Construction; John P. Grace Memorial Bridge (Charleston, S.C.); Timber; Railroads; Ships
Description
Image #143 (4.5" x 2.75"): "3-7-29. Stiffleg derrick used as material hoist on top of span at Pier 4, to feed viaduct traveler (in distance). Near stiffleg sticks thru truss (#146) and far leg is on viaduct (#145)."; Image #144 (4.5" x 2.75"): #3-7-29. Detail at heel of stiffleg derrick SO4383 (See #167)."; Image #145 (4.5" x 2.75"): "3-7-29. Tie-down and strut supporting end of stiffleg projecting outside viaduct girder (See #143)."
Digital image copyright 2009, Charleston County Public Library. All rights reserved. For more information contact the Charleston Archive, Charleston County Public Library, 68 Calhoun Street, Charleston, SC 29401