7 bridges with vertical clearance data on 631 in Virginia. Lowest: 158.1ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 158.1ft | Spring Church Road | Is 95 | 0.55 Nc Line/0.85 To 629 | 1960 | Map |
| 159.8ft | Fifth Street Exten | Interstate 64 Ebl & Wbl | 0.10 Fr 1103/0.15 To 1104 | 1969 | Map |
| 164.0ft | Oakleigh Ave. | Rt 460 Bypass | 0.15-Rt.662/0.09-Rt.1010 | 1993 | Map |
| 164.7ft | Rte. 631 Rio Road | Rte. 29 - Seminole Trail | 0.28-Rt1403 & 0.64-Rt1427 | 2016 | Map |
| 165.7ft | Jarratt Ave | I-95 | 0.20 Mi Fr Route 301 | 1980 | Map |
| 169.0ft | Lansing Road | Interstate-95 & Rte 301 | 0.15 Fr 675 & 0.20 To 671 | 1980 | Map |
| 232.3ft | Rio Road | Norfolk Southern Railway | 0.08-Rt650 & 0.70-Rt768 | 2010 | Map |