| Third ST NE over Abandoned Rr-antelope CR | Poor | 203.7 ft | 2,063 | 1939 |
| US 191 over S Fork American Fork | Poor | 28.9 ft | 706 | 1941 |
| US 191 over Fish Creek | Poor | 113.8 ft | 661 | 1942 |
| Canal RD over Deadman Supply Canal | Poor | 40.0 ft | 100 | 1997 |
| US 191 over Drainage | Fair | 38.1 ft | 706 | 1942 |
| US 191 over American Fork | Fair | 40.0 ft | 706 | 1942 |
| US 12 over Haymaker Creek | Fair | 65.0 ft | 557 | 1966 |
| US 12 over Daisy Dean Creek | Fair | 57.1 ft | 508 | 1933 |
| Two Dot HWY over Musselshell River 017 | Fair | 111.9 ft | 100 | 1965 |
| Big Elk RD over Big Elk Creek 004 | Fair | 30.8 ft | 100 | 1974 |
| S Shawmut RD over Musselshell River 009 | Fair | 131.9 ft | 100 | 1949 |
| Logan ST SE over Antelope Creek 019 | Fair | 39.0 ft | 100 | 1931 |
| Foster RD over American Fork Creek 007 | Fair | 33.1 ft | 100 | 1982 |
| Selkirk RD over Martinsdale Res Spwy 021 | Fair | 24.9 ft | 100 | 1976 |
| Porcupine Butte RD over American Fork Creek 002 | Fair | 44.0 ft | 100 | 1960 |
| Lower N Hill RD over Roberts Creek 005 | Fair | 40.0 ft | 100 | 1962 |
| S 297 over Deadman`s Basin Canal | Fair | 58.1 ft | 79 | 1959 |
| Upper N Hill RD over East Fk Roberts CR 006 | Fair | 36.1 ft | 34 | 1962 |
| US 191 over Rr | Good | 230.3 ft | 2,316 | 2009 |
| US 191 over Musselshell River | Good | 171.3 ft | 805 | 1969 |
| US 191 over Abandoned Rr | Good | 230.0 ft | 805 | 1969 |
| US 191 over Lebo Creek | Good | 72.2 ft | 706 | 2014 |
| Red Bridge RD over Musselshell River 016 | Good | 109.9 ft | 100 | 1977 |
| Red Bridge RD over American Fork Creek 015 | Good | 66.9 ft | 100 | 1993 |
| Selkirk RD over Musselshell River 018 | Good | 121.1 ft | 100 | 2011 |
| Tierney Loop DR over Musselshell River 008 | Good | 147.0 ft | 100 | 1988 |
| S 297 over Roberts Creek | Good | 70.9 ft | 61 | 1974 |