Crowder State Park is a 1912acre state park near Trenton, Missouri, USA. It surrounds Crowder Lake in Grundy County. Both are named after Maj. General Enoch H. Crowder, an officer in the United States military who was born and raised near the park.Activities and amenitiesThe park offers picnicking, a 42-unit campground, fishing, swimming and canoeing on 18acre Crowder Lake, and four trails for hiking, cycling and horseback riding.The Crowder State Park Vehicle Bridge was listed on the National Register of Historic Places in 1985. It was built about 1939, and is a small single-arched span of reinforced concrete with a facing of cut stone. It is the only surviving structure erected in Crowder State Park by the Civilian Conservation Corps.