8 bridges with vertical clearance data on SR-20 in Alabama. Lowest: 170.9ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 170.9ft | Sr 20 | Sr 3 | Jct Sr 20 & Sr 3 | 1965 | Map |
| 186.0ft | Madi Blvd To I565 | I-565 | 0.8 Miles West Rideout Rd | 1991 | Map |
| 227.4ft | Sr 20 | Southern Rr | 4 M W Jct Sr 20 & Sr 33 | 1984 | Map |
| 232.6ft | Sr 20 | Southern Rr | 0.6 M W Jct Sr 20 & Sr 3 | 1959 | Map |
| 236.5ft | Sr 20 | Southern Rr | 0.5 M E Jct Sr 2 & Sr 13 | 1993 | Map |
| 238.2ft | Sr 20 | Southern Rr | 4 M W Jct Sr 20 & Sr 33 | 1984 | Map |
| 241.8ft | Sr 20 | Southern Rr | 0.5 Mi E Jct Sr 2 & Sr 13 | 1993 | Map |
| 248.0ft | Sr 20 | Bakers Creek Relief | 0.6 M W Jct Sr 20 & Sr 67 | 1959 | Map |