| distance | reference number | name | latitude | longitude |
| 49.1 | 1842 | Millside, RR. bridge, Christina River, Delaware | 39.725 | -75.56 |
| 49.8 | 1757 | Marcus Hook, Pennsylvania (sub) | 39.8117 | -75.4117 |
| 49.8 | 877 | Edgemoor, Delaware | 39.75 | -75.4933 |
| 49.9 | 1756 | Marcus Hook, Pennsylvania | 39.8117 | -75.41 |
| 50.6 | 3353 | Wilmington Marine Terminal, Delaware | 39.7183 | -75.52 |
| 51.5 | 2369 | Port Deposit, Susquehanna River, Maryland | 39.6 | -76.1167 |
| 51.6 | 3255 | Wanamaker Bridge, Darby Creek, Pennsylvania | 39.8767 | -75.305 |
| 52.1 | 2058 | Norwood City, Darby Creek, Pennsylvania | 39.88 | -75.29 |
| 52.3 | 342 | Bridgeport, Raccoon Creek, New Jersey, Delaware Riv | 39.8067 | -75.355 |
| 52.5 | 2212 | Pedricktown, Oldmans Creek, New Jersey | 39.7617 | -75.4033 |
| 52.6 | 520 | Charlestown, Northeast River, Maryland | 39.5667 | -75.9667 |
| 52.6 | 1970 | New Castle, Chesapeake and Delaware Canal, Delaware | 39.6567 | -75.5617 |
| 52.7 | 2632 | Salem Canal entrance, Delaware River, New Jersey | 39.6833 | -75.51 |
| 52.8 | 3098 | Tinicum National Wildlife Refuge, Darby Creek, Penn | 39.8783 | -75.2767 |
| 52.9 | 2109 | Old Frenchtown Wharf, Elk River, Maryland | 39.5667 | -75.85 |
| 53.0 | 3099 | Tinicum National Wildlife Refuge, Darby Creek, Penn | 39.8867 | -75.265 |
| 54.8 | 1762 | Market Street Bridge, Schuylkill River, Pennsylvani | 39.955 | -75.18 |
| 55.0 | 1245 | Havre de Grace, Chesapeake Bay, Maryland | 39.5367 | -76.09 |
| 55.0 | 1246 | Havre de Grace, Maryland | 39.5367 | -76.09 |
| 55.1 | 255 | Billingsport, New Jersey | 39.85 | -75.25 |
| 55.1 | 2222 | Penrose Avenue Bridge, Schuylkill River, Pennsylvan | 39.8983 | -75.2117 |
| 55.1 | 2994 | Summit Bridge, Chesapeake and Delaware Canal, Delaw | 39.55 | -75.7333 |
| 55.6 | 542 | Chesapeake City, Chesapeake and Delaware Canal, Mar | 39.5267 | -75.81 |
| 55.6 | 543 | Chesapeake City, Maryland | 39.5267 | -75.81 |
| 55.7 | 662 | Courthouse Point, Maryland | 39.5167 | -75.8833 |