Big Muddy River-Box CulvertsBy fantasy / July 4, 2025 Finish-Grade-Overview Big-Muddy-River Original-CAD Big-Muddy-River Finish-Grade2 Big-Muddy-River (1) Box-Culvert Big-Muddy-River Box-Culvert4 Big-Muddy-River Finish-Grade Big-Muddy-River Finish-Grade1 Big-Muddy-River Box-Culvert1 Big-Muddy-River Box-Culvert2 Big-Muddy-River Box-Culvert3 Big-Muddy-River