11 bridges with vertical clearance data on SR-68 in Michigan. Lowest: 162.4ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 162.4ft | M-68 | I-75 Sb | @ M-68 | 1962 | Map |
| 165.0ft | M-68 | I-75 Nb | @ M-68 | 1962 | Map |
| 1000.0ft | M-68|S Straits Hwy | Sturgeon River | 0.8 Mi W Of I-75 | 1927 | Map |
| 1000.0ft | M-68 | Pigeon River | 1.0 Mi W Of Afton | 1939 | Map |
| 1000.0ft | M-68|M-33 | Milligan Creek | 3.3 Mi W Of Tower | 1958 | Map |
| 1000.0ft | M-68|M-33 | Black River | E Lts Of Tower | 2002 | Map |
| 1000.0ft | M-68 | Crooked River | In Alanson | 1937 | Map |
| 1000.0ft | M-68 | Rainy River | 4.0 Mi E Of Cheboygan Col | 1954 | Map |
| 1000.0ft | M-68 | Ocqueoc River | 8.2 Mi E Of Cheboygan Col | 1954 | Map |
| 1000.0ft | M-68 | Little Ocqueoc River | 9.6 Mi W Of Us-23 | 1959 | Map |
| 1000.0ft | M-68 | Trout River | 2.2 Mi W Of Us-23 | 1956 | Map |