Charles River Bridge Piers 7+6 mixer etc. Charles River Bridge foundation #4 Charles River Bridge foundation Charles River Bridge foundation 4 progress Charles River Bridge general view, looking toward Cambridge Charles River Bridge progress on foundation Charles River Bridge progress on pier 8 Charles River Bridge progress on foundation #8 Charles River Bridge foundation 5+6 Charles River Bridge progress on foundation #2 Charles River Bridge progress on foundation #4 Charles River Bridge cutting out tight sheeting n.w. corner Charles River Bridge progress on foundation 4 Charles River Bridge progress on foundation 8 Charles River Bridge progress on foundation 8+9 Charles River Bridge progress on foundation 7+6 Charles River Bridge progress on foundation #8 Charles River Bridge progress on foundations 7+6 Charles River Bridge progress on foundations 4 Charles River Bridge foundation 8 Charles River Bridge #7 + #8 Charles River Bridge progress on foundation 4 Charles River Bridge progress on foundation 4 Charles River Bridge progress on foundation 6+7 looking toward Cambridge Charles River Bridge foundation 6+7 Charles River Bridge foundation 8 Charles River Bridge Bridge in lock, Charles River Dam Charles River Bridge foundation #2 Charles River Bridge pier #4 Charles River Bridge progress on #2 Charles River Bridge progress on #10 Charles River Bridge progress on #2 + #3 Charles River Bridge progress on #5 + #6 Charles River Bridge progress on #7 Charles River Bridge progress on #6 Charles River Bridge progress on #7 Charles River Bridge Charles River Bridge progress on pier 4 Charles River Bridge progress on pier #2 Charles River Bridge progress on pier #8 + #7 Charles River Bridge progress on pier #10 Charles River Bridge progress on pier #6 Charles River Bridge progress on pier #4 Charles River Bridge looking toward 6+7 from Boston Charles River Bridge progress on pier 4 Charles River Bridge progress on pier 2 Charles River Bridge progress on pier 10 Charles River Bridge progress on pier #4 Charles River Bridge progress on pier foundation