8 bridges with vertical clearance data on 612 in Virginia. Lowest: 164.7ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 164.7ft | Airport Road | Rtes I 64 & 33 Ebl | 0.38 To 676 & 0.12 To 610 | 1972 | Map |
| 164.7ft | Airport Road | Rtes I 64 & 33 Wbl | 0.44 To 676 & 0.06 To 610 | 1972 | Map |
| 166.7ft | Laurel Hill Rd | I-81 | 0.74 To 818 & 0.30 To 792 | 1968 | Map |
| 168.0ft | Laurel Hill Rd | I-81 | 0.74 To 818 & 0.30 To 792 | 1968 | Map |
| 173.2ft | Kimberling Rd. | I-77 | .25 To 52 - 5.95 From 627 | 1974 | Map |
| 173.2ft | Longhill Rd | Sr 199 | 0.60 Mi To Route 658 | 1999 | Map |
| 989.8ft | Trices Lake Road | Big Cattail Creek | 3.20-Rt.608/0.12-Rt.714 | 2010 | Map |
| 3277.6ft | Poor Mtn. Rd./612 | Branch Roanoke River | 0.70-Rt639S; 0.30-Rt639N | 1949 | Map |