| Lindy Road over Betsie River | Poor | 37.4 ft | 1,826 | 1962 |
| Haze Road over Platte River | Poor | 31.8 ft | 380 | 1973 |
| Nostwick Road over Betsie River | Poor | 59.7 ft | 95 | 1900 |
| Carmean Road over Betsie River | Poor | 30.8 ft | 89 | 1977 |
| Fewins Road over Platte River | Poor | 25.9 ft | 65 | 1972 |
| King Road over Betsie River | Poor | 59.7 ft | 52 | 1973 |
| Haze Road over Betsie River | Poor | 55.8 ft | 32 | 1900 |
| Us-31 over Platte River | Fair | 60.0 ft | 11,984 | 1926 |
| Us-31 over Commercial ST | Fair | 149.9 ft | 9,566 | 2000 |
| Us-31|m-115|honor over Betsie River | Fair | 79.1 ft | 8,344 | 1984 |
| Us-31|honor HWY over Platte River | Fair | 35.1 ft | 8,172 | 1927 |
| M-22|lake ST over Betsie River | Fair | 60.7 ft | 4,712 | 1924 |
| M-115 over Betsie River | Fair | 149.9 ft | 2,595 | 1940 |
| River Road over Betsie River | Fair | 69.9 ft | 1,329 | 1960 |
| Pioneer Road over Platte River | Fair | 34.1 ft | 1,050 | 1950 |
| Bentley Road over Little Betsie River | Fair | 23.6 ft | 103 | 2003 |
| Reynolds Road over Betsie River | Fair | 59.7 ft | 54 | 1906 |
| M-22|scenic HWY over Platte River | Good | 103.3 ft | 1,269 | 2014 |
| Reynolds Road over Platte River | Good | 65.9 ft | 1,133 | 2012 |
| Covey Road over Platte River | Good | 44.0 ft | 98 | 1987 |
| Bentley Road over Little Betsie River | Good | 20.3 ft | 55 | 2004 |
| Burnt Mill Road over Platte River | Good | 58.1 ft | 53 | 2010 |
| Hooker RD over N Br Platte River | Good | 24.0 ft | 50 | 2018 |
| Wolf Road over Betsie River | Good | 65.6 ft | 49 | 1998 |
| Nessen Road over Little Betsie River | Good | 22.0 ft | 20 | 2014 |