7 bridges with vertical clearance data on I-644 in Virginia. Lowest: 161.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 161.4ft | Ramp F-S | I-95; I-395; 644 & Ramps | 00.14Fr789/00.50To289 | 2001 | Map |
| 163.1ft | I-95 Exp Ramp Ok-H | Rte.644 Old Keene Mill | 0.40Fr644/1.6To495Ebl | 1999 | Map |
| 164.7ft | Ramp Ok-E Of 644 | Rte.644 Old Keene Mill | 00.42Fr644/00.15To95Nb | 2000 | Map |
| 178.1ft | Ramp Ok-W | I-95;I-395Nb;Assort.Rmps | 0.32Fr644Eb/1.13To495Eb | 1999 | Map |
| 179.1ft | Ramp Ok-E | I-95; Rmps Ok-S;F-S;H-S | 00.25Fr644/00.15To95 | 2000 | Map |
| 184.7ft | Ramp Ok-S | Grade Crossing | 00.20Fr644Eb/00.40To7900 | 1999 | Map |
| 190.6ft | Ramp Ok-H #2162 | I-95 Sbl | 00.14Fr644/00.14Toi-95Nbl | 2000 | Map |