Originally determined eligible in the Caltrans 1985 Historic Masonry Bridges in California Thematic Resources study; its continued eligibility was confirmed in the 2003 Caltrans Historic Bridge Inventory update: Masonry Bridges. In 2005, it was individually listed on the National Register under the Historic Highway Bridges of California MPS.
The Maxwell Creek Bridge is a two-lane single 22.5-foot span, earth-filled closed-spandrel masonry-arch bridge. The masonry structure is constructed of square-cut stone laid in regular courses. Both railings are built of square-cut stone.