Bridges--South Carolina; Bridges -- Design and Construction; John P. Grace Memorial Bridge (Charleston, S.C.); Timber; Railroads; Ships
Description
Image #477 (2.75" x 4.5"): "6-21-29. U22 L22 = CL [center line] of span. Closing bottom chord, north truss, in place."; Image #478 (2.75" x 4.5"): "6-21-29. Progress."; Image #479 (2.75" x 4.5"): "6-22-29. Driving pin in L21 - East (See 476). This pin was later removed so that no shear could be transferred between the two cantilevers."; Image #480 (2.75" x 4.5"): "6-22-29. Both closing bottom chords in place, and pins driven, but not yet connected to hangers. See 482."
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
