22 bridges with vertical clearance data on SR-21 in Ohio. Lowest: 140.7ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 140.7ft | Sr 21 | Sr-17, (Cuy-17-1453) | Approx 1000Ft E I-77 | 1939 | Map |
| 142.4ft | Sr 21 | Over Chi-172 -0495 C | 1.81 Mi N Of Stark Co | 1957 | Map |
| 145.0ft | Sr 21 Sb | Sum-Sr 585-0.89 | Jct Of Sr 21 And Sr 585 | 1957 | Map |
| 150.9ft | Sr 21 | Sum-Sr 585-0.91 | Jct Of Sr 21 And Sr 585 | 1957 | Map |
| 156.8ft | Sr 21 | Over Chi-116 -0619 Ch | .88 Mi N Stark Co Line | 1957 | Map |
| 165.0ft | Sr 21 | Sr 21 Sb Over Sr162 | 2.54 Mi S Of Sr 18 | 2006 | Map |
| 165.0ft | Sr 21 | Sr 21 Nb Over Sr162 | 2.54 Mi S Of Sr 18 | 2006 | Map |
| 165.7ft | Reimer Road Cr 211 | Sr21 | 0.36 Mi N Of Sr 261 | 1957 | Map |
| 166.7ft | Us 77 Sb Rmp To 21 | I-77 (Ramp To 21) | 1 Mile N Of Ir 480 | 2019 | Map |
| 166.7ft | Sr 21 | Over Chi-116-0620 Ch | .88 Mi N Stark Co Line | 1962 | Map |
| 166.7ft | Sr 21 | Over Chi-172 -0494 C | 1.81 Mi N Of Stark Co | 1957 | Map |
| 214.2ft | Sr 21 | Over Csxt Rr | 1.42 Mi N Of Stark Co | 1957 | Map |
| 219.2ft | Sr 21 | Over Csxt Rr | 1.42 Mi N Of Stark Co | 1961 | Map |
| 228.7ft | Sr 21 | I-480 (Brecksville) | Jct. Sr-21 And I-480 | 1973 | Map |
| 230.0ft | Sr 21 | Over Wheeling&L Erie Rr | 1.86 Mi S Of Ir 77 | 1957 | Map |
| 231.0ft | Sr 21 | Tusc River,Tr353 Rjcl Rr | 4.10 Mi N Of Us 30 | 1957 | Map |
| 231.0ft | Sr 21 | Tusc River,Tr353 Rjcl Rr | 4.10 Mi N Of Us 30 | 1957 | Map |
| 232.6ft | Sr 21 | Over Wheeling&L Erie Rr | 1.86 Mi S Of Ir 77 | 1957 | Map |
| 245.1ft | Sr 21 | Csx Rr South Of Sr 17 | Approx 500Ft S Granger | 1939 | Map |
| 250.0ft | Sr 21 | Csx Rr,Canal & Canal Rd | Approx 1500 Ft N Granger | 1939 | Map |
| 254.3ft | Sr 21 | Over Dorothy St & Abc Rr | 1.50 Mi N Of Sr 585 | 1957 | Map |
| 256.6ft | Sr 21 | Dorothy St & Abc Rr | 1.50 Mi N Of Sr 585 | 1957 | Map |