6 bridges with vertical clearance data on 623 in Virginia. Lowest: 163.1ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 163.1ft | Ashland Road | Rte I 64 | .36 Fr 622 & 1.89 To 685 | 1967 | Map |
| 164.7ft | Overpass Rd 623 | 81 & 11 | 0.00-Fo54; 0.00-Fo55 | 1959 | Map |
| 166.7ft | Rowanty Road | Interstate-95 | 0.40 Fr 670 & 0.15 To 301 | 1980 | Map |
| 240.5ft | Twin Bridges Rd. | Ns & Buck. Branch Rr | 1.52 To 624 - 0.01 To 360 | 2015 | Map |
| 259.8ft | River Rd/623 | New River/Ns Rwy | 0.35-Rt T1404; 0.05-Rt633 | 1996 | Map |
| 3277.6ft | Union Bridge Rd623 | Goblintown Creek | 0.40 Rt 346; 1.00 Rt 717 | 1984 | Map |