Thomas Johnson – MD 2/4 over Lower Patuxent River, St. Mary’s/Calvert City Published August 29, 2016 at 700 × 467 in Best Bridges ← Previous Next → Thomas Johnson – MD 2/4 over Lower Patuxent River, St. Mary’s/Calvert City Thomas Johnson – MD 2/4 over Lower Patuxent River, St. Mary’s/Calvert City