8 bridges with vertical clearance data on 623 in New Jersey. Lowest: 140.1ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 140.1ft | Elwood Road | A.C. Expressway Eb | 2.75 Mi Se Of Ace&Rt559 J | 1964 | Map |
| 141.7ft | Elwood Road | A.C. Expressway Wb | 2.75 Mi Se Of Ace&Rt559 J | 1964 | Map |
| 145.0ft | Cuthbert Bl-Cr 623 | Route Nj 38 | 0.5 Mi N Of Rt 70 | 1963 | Map |
| 145.7ft | N.Broad St (C623) | Us 22 | 1.52 Mi. W. Of 27 (Us 22) | 1929 | Map |
| 146.0ft | Cr623(Roosevelt B) | Svc Rds,Crook Horn Thoro | 0.6Mi Sw Of Bay Ave Inter | 1962 | Map |
| 149.6ft | (Cr 623) Grove St. | U.S. Route 46 | 0.9 Miles East Of Rt 3 | 1939 | Map |
| 152.6ft | Grove Street | Nj Rt 3 | 0.5 Mi Se Of 3-46 Jct | 1948 | Map |
| 218.2ft | N.Broad St (Cr623) | Lehigh Vally Ml(Conrail) | 1.03 Mi North Of Nj 439 | 1929 | Map |