6 bridges with vertical clearance data on 2121 in Kansas. Lowest: 999.7ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 999.7ft | Old K-18 Rs 2121 | Mcdowell Creek | 0.5N 11.4E Junction City | 1984 | Map |
| 999.7ft | Old K-18 Rs 2121 | Swede Creek | 0.5N 12.8E Junction City | 1983 | Map |
| 999.7ft | Old Hwy 18 Rs 2121 | Deadman Creek | 0.7S 15.0E Junction City | 1990 | Map |
| 999.7ft | Old Hwy 18 Rs 2121 | Trib. Of Poole Branch | 0.9S 15.4E Junction City | 1930 | Map |
| 999.7ft | Rs 2121 M-5.7 | Trib Spring Creek | 6.6W Of Alma | 1935 | Map |
| 999.7ft | Rs 2121 8-M.1 | Loire Creek | 4.0W 0.1S Of Alma | 1978 | Map |