6 bridges with vertical clearance data on I-420 in Virginia. Lowest: 147.3ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 147.3ft | Ramp B Seminary Rd | Van Dorn Street | 0.40Fr Beau/0.44To Jor St | 1970 | Map |
| 151.6ft | Spur 'E' Of Ramp A | Van Dorn Street | 0.25Fr395/0.44To Jor St | 1970 | Map |
| 162.4ft | Seminary Rd;Ramp A | Shirley Mem.Hwy;Rte.395 | 01.5Frnquak/00.4Tonbeau | 1970 | Map |
| 164.0ft | Seminary Rd Ramp B | Shirley Mem.Hwy;Rte 395 | 01.70Fr402/00.30Tonbeau | 1970 | Map |
| 191.6ft | Ramp 'A' | Van Dorn Street | 0.40Frbeau/0.45To Jor St | 1970 | Map |
| 249.0ft | Rte.420 Hov Ramp | Rotary Va.#2801 | 1.50Fr236 0.01To420 | 2015 | Map |