Muddy Creek is a tributary of the Susquehanna River in York County, Pennsylvania, in the United States.[1]
Muddy Creek, formed by the confluence of the 11.2-mile-long (18.0 km)[2] North Branch and the 10.3-mile-long (16.6 km)[2] South Branch at the community of Muddy Creek Forks, flows for 17.2 miles (27.7 km)[3][2] to join the Susquehanna River in the backwater of Conowingo Reservoir.[1]
It is crossed by the Muddy Creek Bridge, Maryland and Pennsylvania Railroad in Lower Chanceford Township and Peach Bottom Township, Pennsylvania.[4]