Bridge construction with girder having triangular intermediate and rectangular end cross-sectional configurations

Claim 1

A BRIDGE COMPRISING A PAIR OF SPACED VERTICALLY DISPOSED PIERS AND A SUPPORTING CONSTRUCTION DISPOSED ON AND SPANNING SAID PIERS, SAID SUPPORTING CONSTRUCTION COMPRISING THREE V-SHAPED ELONGATED MEMBERS FORMING THE INTERMEDIATE CROSS-SECTIONAL CORNERS OF SAID CONSTRUCTION, A PLURALITY OF PLATE-LIKE MEMBERS EXTENDING BETWEEN AND SECURED TO SAID V-SHAPED MEMBERS, AND A PAIR OF END MEMBERS SECURED TO THE OPPOSED ENDS OF SAID V-SHAPED MEMBERS TO DEFINE OPPOSED ENDS OF SAID SUPPORTING CONSTRUCTION, SAID PAIR OF VERTICALLY DISPOSED PIERS CARRYING SAID CONSTRUCTION AT SAID END MEMBERS THEREOF, SAID SUPPORTING CONSTRUCTION HAVING AN INVERTED SUBSTANTIALLY TRIANGULAR INTERMEDIATE CROSS-SECTIONAL CONFIGURATION AND HAVING SAID OPPOSED ENDS PROVIDED WITH SUBSTANTIALLY RECTANGULAR CROSS-SECTIONAL CONFIGURATIONS RESPECTIVELY RESTING ON SAID PIERS, THE INVERTED APEX OF SAID TRIANGULAR CONFIGURATIONS BEING INTERCONNECTED TO THE LOWER CORNERS OF SAID RECTANGULAR END CONFIGURATION BY TRIANGULARLY SHAPED PLATE MEANS.