Bridges--South Carolina; Bridges -- Design and Construction; John P. Grace Memorial Bridge (Charleston, S.C.); Timber; Railroads; Ships
Description
Image #481 (4.5" x 2.75"): "6-22-29. Stairs from L16 to U17, east side only."; Image #482 (2.75" x 4.5"): "6-22-29. Closing chord L19 L21 east with pin driven at L21. Note how chord is arched and still not connected to hanger at L20. (Gap = 6")."; Image #483 (2.75" x 4.5"): "6-24-29. Same as above, after jacking near side down 6 1/8" and far side up 11 13/16", making total vertical movement at pin of 17 15/16". Note hanger being connected - chord is now straight."
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
