Business Loop I-44 - Joplin, Duquesne and Duenweg

Business Loop I-44 travels 11.84 miles in an L-shaped route through Newton and Jasper Counties in southwest Missouri. The route combines with Missouri Route 43 north from Exit 6 along Hearnes Boulevard north to 32nd Street along a divided arterial. Main Street (old U.S. 71 Business) takes over as a commercial boulevard to Downtown Joplin and 7th Street. The remainder of the route travels east along Route 66 (Historic U.S. 66) to Business Loop I-49 near Northpark Mall, northern Duquesne, the freeway along Route 249 and across the city of Duenweg. The business route ends at a wye interchange (Exit 15) with I-44 adjacent to Cimarron Road.
Updated August 1, 2026