7 bridges with vertical clearance data on 621 in New Jersey. Lowest: 143.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 143.4ft | Almonesson Road | I-295 | 0.31 Mi North Of Exit 25 | 1960 | Map |
| 146.0ft | Ocean Drive Cr 621 | Middle Thorofare | 1.68 Mi E Of Nj Rt 109 | 1939 | Map |
| 146.7ft | Valley Rd (Cr 621) | Route Nj 19 | 1.7 Mi No Of Rt 46 | 1968 | Map |
| 147.6ft | Almonesson Road | Nj Turnpike | 2.1 Mi South Of Exit 3 | 1950 | Map |
| 150.9ft | Cr621(Changebr Rd) | I-80 | 0.22 Mi N Of Us 46 | 1965 | Map |
| 166.3ft | Almonesson Road | Nj Route 55 | 0.3 Mi North Of Cr 544 | 1985 | Map |
| 230.0ft | Round Valley Road | Njt(Raritan Valley Line) | 0.25 Mi South Of Rt22 Jct | 1977 | Map |