| distance | reference number | name | latitude | longitude |
| 20.5 | 266 | Black Creek, S.C.L. RR. bridge, Florida | 30.08 | -81.7617 |
| 21.3 | 1163 | Green Cove Springs, St. Johns River, Florida | 29.99 | -81.6633 |
| 21.4 | 371 | Buffalo Bluff, Florida | 29.595 | -81.6817 |
| 21.4 | 372 | Buffalo Bluff, St. Johns River, Florida | 29.595 | -81.6817 |
| 22.4 | 2170 | Palatka, Florida | 29.6433 | -81.6317 |
| 22.4 | 2171 | Palatka, St. Johns River, Florida | 29.6433 | -81.6317 |
| 22.6 | 792 | Doctors Lake, Peoria Point, Florida | 30.12 | -81.7583 |
| 22.8 | 2512 | Red Bay Point, St. Johns River, Florida | 29.9783 | -81.6283 |
| 24.5 | 2176 | Palmetto Bluff, St. Johns River, Florida | 29.7633 | -81.5617 |
| 25.1 | 3104 | Tocoi, Florida | 29.8583 | -81.5533 |
| 25.2 | 2496 | Racy Point, St. Johns River, Florida | 29.8017 | -81.5483 |
| 25.9 | 3005 | Sutherlands Still, Dunns Creek, Florida | 29.5717 | -81.6067 |
| 26.5 | 3289 | Welaka, Florida | 29.4767 | -81.675 |
| 26.5 | 3290 | Welaka, St. Johns River, Florida | 29.4767 | -81.675 |
| 27.2 | 2130 | Orange Park Landing, Orange Park, St. Johns River, | 30.1683 | -81.695 |
| 28.3 | 1445 | Julington Creek, Florida | 30.135 | -81.63 |
| 28.4 | 1358 | I-295 bridge (west end), Florida | 30.1917 | -81.6917 |
| 28.4 | 1359 | I-295 Bridge (west end), St. Johns River, Florida | 30.1917 | -81.6917 |
| 31.2 | 2268 | Piney Point, St. Johns River, Florida | 30.2283 | -81.6633 |
| 32.4 | 2141 | Ortega River Entrance, Florida | 30.2783 | -81.705 |
| 36.0 | 1736 | Main Street Bridge, Jacksonville, Florida | 30.32 | -81.6583 |
| 36.0 | 1737 | Main Street Bridge, St. Johns River, Florida | 30.32 | -81.6583 |
| 37.1 | 1650 | Little Pottsburg Creek, St. Johns River, Florida | 30.31 | -81.61 |
| 39.0 | 2534 | Ribault River, Trout River, Lake Forest, Florida | 30.3983 | -81.6983 |
| 39.1 | 1675 | Long Branch, Jacksonville, Florida | 30.3583 | -81.62 |