The Petit Jean River Bridge is a historic bridge in rural southern Logan County, Arkansas. The bridge carries Old Highway 109 across the Petit Jean River between Sugar Grove and Magazine. It consists of a single-span steel Pratt through truss and two masonry approach spans, set on concrete piers in the river. The total structure length is , with a roadway width of and a total width of . The bridge was built in 1938.
The bridge was listed on the National Register of Historic Places in 1995.