The Twin Bridges-West Paden Covered Bridge No. 121 is a historic wooden covered bridge located at Fishing Creek Township in Columbia County, Pennsylvania. It is a 112-foot-long (34 m), Burr Truss bridge constructed in 1850. It crosses the Huntington Creek. It is one of 28 historic covered bridges in Columbia and Montour Counties. It is a twin of the Twin Bridges-East Paden Covered Bridge No. 120.