6 bridges with vertical clearance data on 646 in New Jersey. Lowest: 145.0ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 145.0ft | Delilah Road | Atlantic City Expressway | 2.5 Mi.From Interchg. 7 | 1963 | Map |
| 153.2ft | Pointers-Auburn Rd | Nj Turnpike | 5.5 Mi North Of Exit 1 | 1950 | Map |
| 162.4ft | Glen Alpine Road | I-287 | 0.05 Mi East Of Us 202 | 1968 | Map |
| 166.7ft | Union Blvd (Cr646) | Us 46 | 1.2 Miles East Of Nj 23 | 2006 | Map |
| 169.0ft | Delilah Rd (Cr646) | U.S.Route 30 | 1.76 Mi East Us 9 | 2009 | Map |
| 233.3ft | Delilah Rd (Cr646) | Nj Transit (A.C. Line) | 0.47 Mi W.Of Rt30 | 2009 | Map |