The Warrens Bridge is a historic timber-trestle bridge carrying Phillips County Road 141 across the Lambrook Levee Ditch west of Lambrook, Arkansas. The bridge has seven spans with a total length of 100 feet (30 m); the longest span is 15 feet (4.6 m). The bridge is 16 feet (4.9 m) wide, and is set on timber abutments and piers. It was built about 1930.