The expansion joints were also removed, so the bridge deck is now a one-piece structural diaphragm built to transfer all seismic forces into the abutment walls at either end of the bridge. All of the rebuilding was done in to preserve the historic appearance of the bridge.
The expansion joints were also eliminated, so the bridge deck is now a single structural diaphragm designed to transfer all seismic forces into the abutment walls at either end of the bridge. All of the rebuilding was done in order to maintain the historic appearance of the bridge.