| M-32 Bs|s State ST over Thunder Bay River | Fair | 180.1 ft | 6,400 | 2009 |
| M-32 over Miller Creek | Fair | 29.2 ft | 4,572 | 1991 |
| M-32 over Thunder Bay River | Fair | 100.1 ft | 4,572 | 1927 |
| Co Road 451 over N Br Thunder Bay River | Fair | 57.7 ft | 2,126 | 1994 |
| M-33 over Gilchrist Creek | Fair | 39.0 ft | 1,647 | 1951 |
| M-33 over Thunder Bay River | Fair | 65.3 ft | 1,647 | 1968 |
| Hubert Road over N Br Thunder Bay River | Fair | 56.8 ft | 150 | 1994 |
| Morrow Road over Thunder Bay River N Br | Fair | 45.6 ft | 100 | 2000 |
| Airport Road over Thunder Bay River | Good | 38.1 ft | 160 | 1969 |
| Harwood Road over Gilchrist Creek | Good | 32.2 ft | 150 | 2020 |
| Carter RD over Gilchrist Creek | Good | 32.2 ft | 150 | 2021 |
| Hossler Road over Thunder Bay River | Good | 23.0 ft | 120 | 1962 |
| South Airport Road over Crooked Creek | Good | 39.4 ft | 110 | 1999 |
| Mcmurphy Road over Thunder Bay River | Good | 44.3 ft | 60 | 2003 |
| Blue Lakes Road over E Br Black River | Good | 40.0 ft | 50 | 1994 |
| Blue Lakes Road over Black River | Good | 40.0 ft | 50 | 1994 |
| Greasy Creek RD over Gilchrist Creek | Good | 24.0 ft | 50 | 2021 |
| CR 628 over N Br Thunder Bay River | Good | 22.6 ft | 41 | 2022 |
| Hall RD over Thunder Bay River | Good | 64.0 ft | 40 | 2023 |
| Schmallers Road over Hunt Creek | Good | 38.1 ft | 20 | 2021 |
| Co RD 622 over E Br Black River | Good | 26.9 ft | 20 | 2020 |