MLG ACFT TAXIING WAS TOLD TO YIELD FOR A B737. RPTR CAPT STATES THAT HE THOUGHT THE B737 WAS BEHIND HIM ON THE TXWY AND RPTR DIDN'T SEE THE ACFT. BECAUSE OF FREQ CONGESTION AND UNABLE TO CLARIFY; RPTR TAXIED INTO THE GATE. GND CTLR QUESTIONED HIM WHY HE DIDN'T FOLLOW THE YIELD INSTRUCTIONS.

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FLT IAH-LAX JUL/XA/97. AFTER LNDG AND CLR OF ALL RWYS; WE WERE CLRED TO PROCEED EBOUND ON TXWY B TO HOLD SHORT OF TXWY C8. SUBSEQUENTLY WERE CLRED TO THE GATE TO YIELD TO A B737. THE NEAREST ACFT TO OUR POS WAS AN EMB COMMUTER PLANE ABEAM TERMINAL Z WBOUND ON TXWY C. I ROUNDED THE CORNER ON TXWY C8 THINKING THE B737 WAS BEHIND US ON TXWY C. IN FACT; THE REFED B737 WAS ABEAM TERMINAL Z AND NOT MOVING. OUR ENTRY POINT TO THE RAMP WAS NBOUND ON TXWY C8 ACROSS TXWY C TO THE RAMP BTWN TERMINALS X AND Y. THE POS OF THE B737 WAS NEVER POINTED OUT TO US THAT I RECALL. THE FO DOES NOT RECALL SEEING A B737 AT ALL. AFTER XING TXWY C THE GND CTLR QUERIED US AS TO WHY WE DID NOT HOLD FOR THE B737. I HAD NO EXCUSE; THERE WERE NO MOVING AIRPLANES WITHIN 300 YARDS OF OUR POS WHEN I CROSSED TXWY C AND I MADE THE DECISION TO CROSS AT THE TIME SINCE THERE WERE NO MOVING B737'S EITHER EBOUND OR WBOUND ON TXWY C. GND WAS PARTICULARLY BUSY AND I THOUGHT IT WOULD BE MORE EXPEDITIOUS TO CONTINUE TO THE GATE RATHER THAN BLOCK EBOUND TXWY B OR TXWY C8. THE REFED B737 PASSED ABEAM OUR POS ON TXWY C WBOUND AFTER WE HAD BLOCKED IN AT THE GATE APPROX 2 MINS AFTER I CROSSED TXWY C. I GOT CHIDED FOR TRYING TO EXPEDITE OPS.