8 bridges with vertical clearance data on SR-21B in Colorado. Lowest: 169.9ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 169.9ft | Sh 21-Powers Nb | Woodmen Rd. | Ne Colo. Springs | 2008 | Map |
| 170.6ft | Sb Sh 21 Ramp | Nb Sh 21 Ramp | Sh21 And I25 Int | 2021 | Map |
| 174.9ft | Sh21B / Powers | Research Parkway | 1.2 Mi N Of Woodmen | 2022 | Map |
| 189.0ft | Sh 21B Nbnd Ml | Union Blvd | N. Bnd. Powers Blvd. | 2014 | Map |
| 190.0ft | Sh 21B Nbnd Ml | Briargate Blvd | Nb Powers Blvd, Ne Co Sp. | 2014 | Map |
| 212.3ft | Sh 21B Sbnd Ml | Union Blvd | S. Bnd. Powers Blvd. | 2014 | Map |
| 216.9ft | Sh21-Sb Powers Blv | Woodmen Rd | Sbnd Ml | 2008 | Map |
| 218.2ft | Sh 21B Sbnd Ml | Briargate Blvd | S. Bnd. Powers Blvd. | 2014 | Map |