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<br /> TABLE I <br /> Chanqes in Bridqe Openinq Crqss-Sectional Areas <br /> AREA AREA AREA AREA AREA TOTAL AREA <br /> Bridge flAil Bridge "B" Bridge "C" Bridge "D" Bridge "Ell (Sq, Ft .t~- <br />Year.. (Sq. Ft.) (Sq. Ft.) (Sq. Ft.) l~Ft..:.L (Sq. Ft.) <br />1948 844 1188 <br />1954 802 1152 <br />1962 1687 808 1200 860 <br />196,4 1743 697 1158 873 <br />1966 1825 765 IPS 1350 <br />19613 1715 749 1178 833 1474 5949 <br />1970 1575 723 919 836 1284 5337 <br />1980 1470 597 664 801 874 4406 <br />