| Grant Street over Spearfish Ck | Poor | 82.0 ft | 3,981 | 1988 |
| County RD 014b over Miller Ck | Poor | 24.0 ft | 2,000 | 1934 |
| Us014a over Ice Box Ck | Poor | 29.2 ft | 1,725 | 1964 |
| I-90 Service Road over Crow Ck | Poor | 62.0 ft | 1,500 | 1940 |
| Camp Comfort Road over Spearfish Ck | Poor | 49.9 ft | 500 | 1975 |
| Whitewood Service over County RD Rc P&e Rr | Poor | 253.9 ft | 500 | 1937 |
| Nemo Road over Boxelder Ck | Poor | 69.9 ft | 425 | 1974 |
| I-90 Service Road over Spring Ck | Poor | 49.9 ft | 335 | 1938 |
| Nemo Road over Boxelder Ck | Poor | 62.0 ft | 300 | 1975 |
| Nemo Road over Boxelder Ck | Poor | 65.9 ft | 300 | 1975 |
| Maitland Road over False Bottom Ck | Poor | 35.8 ft | 100 | 1977 |
| Christensen Road over False Bottom Ck | Poor | 40.4 ft | 100 | 1970 |
| Yellow Creek Road over Whitewood Ck | Poor | 61.0 ft | 69 | 1979 |
| Elmore RD over Spearfish Ck | Poor | 24.0 ft | 50 | 1901 |
| ST Onge Road over Miller Ck | Poor | 28.5 ft | 50 | 1950 |
| 900006: Peterson over Whitewood Creek | Poor | 60.4 ft | 25 | 2011 |
| Jackson BLVD over Spearfish Ck | Fair | 71.9 ft | 12,135 | 1966 |
| Us014a Pine ST over Whitewood Ck | Fair | 1768.0 ft | 11,370 | 1967 |
| I090 W over Sandstone DR | Fair | 92.8 ft | 10,406 | 1970 |
| I090 over Higgins Gulch | Fair | 21.0 ft | 7,640 | 1974 |
| I090 W over Whitewood Ck | Fair | 135.8 ft | 7,612 | 1967 |
| I090 E over Whitewood Ck | Fair | 135.8 ft | 7,612 | 1967 |
| I090 W over Spring Ck | Fair | 92.8 ft | 7,612 | 1968 |
| I090 E over Spring Ck | Fair | 92.8 ft | 7,612 | 1967 |
| I090 W over ST Onge Oil RD (fas) | Fair | 137.1 ft | 7,590 | 1971 |
| I090 E over ST Onge Oil RD (fas) | Fair | 137.1 ft | 7,590 | 1971 |
| I090 W over Polo Ck | Fair | 106.0 ft | 7,590 | 1971 |
| I090 E over Polo Ck | Fair | 106.0 ft | 7,590 | 1971 |
| I090 W over Rc P&e Rr | Fair | 191.9 ft | 7,590 | 1968 |
| I090 E over Rc P&e Rr | Fair | 191.9 ft | 7,590 | 1968 |
| Us014a over Bear Butte Ck | Fair | 75.5 ft | 6,870 | 2000 |
| Us014a over Whitewood Ck | Fair | 46.3 ft | 6,531 | 1986 |
| Us014a over Draw | Fair | 26.2 ft | 6,397 | 1999 |
| Us085 over Whitewood Ck | Fair | 54.5 ft | 5,939 | 1993 |
| Us085 over Whitewood Ck | Fair | 51.8 ft | 5,939 | 1993 |
| Us085 over Whitewood Ck | Fair | 64.0 ft | 5,939 | 1993 |
| Us085 over Miller Ck | Fair | 24.0 ft | 5,754 | 1971 |
| I090 W over Old Belle RD | Fair | 113.8 ft | 5,322 | 1974 |
| I090 E over Old Belle RD | Fair | 113.8 ft | 5,322 | 1974 |
| I090 W over Spearfish Ck | Fair | 153.9 ft | 5,322 | 1971 |
| I090 E over Spearfish Ck | Fair | 148.0 ft | 5,322 | 1971 |
| Us085 S over Redwater Rv | Fair | 159.4 ft | 4,388 | 1986 |
| Us085 over I090 | Fair | 330.7 ft | 4,211 | 1971 |
| Sd034 over I090 | Fair | 266.4 ft | 4,052 | 1968 |
| I090 W over Crow Ck | Fair | 119.1 ft | 3,715 | 1974 |
| I090 E over Crow Ck | Fair | 119.1 ft | 3,715 | 1974 |
| Us085 S over I090 | Fair | 274.3 ft | 3,477 | 1971 |
| Us085 N over I090 | Fair | 274.3 ft | 3,477 | 1971 |
| Us085 S over Polo Ck | Fair | 93.2 ft | 3,477 | 1971 |
| Us085 N over Polo Ck | Fair | 93.2 ft | 3,477 | 1971 |
| I090 W over Schenk Lane | Fair | 131.9 ft | 3,462 | 1974 |
| I090 E over Schenk Lane | Fair | 131.9 ft | 3,462 | 1974 |
| I090 W over Fas County RD | Fair | 174.2 ft | 3,462 | 1974 |
| I090 E over Fas County RD | Fair | 174.2 ft | 3,462 | 1974 |
| Us014a over Homestake Flume | Fair | 39.7 ft | 2,212 | 1967 |
| Us014a over Spearfish Ck | Fair | 106.0 ft | 2,212 | 1979 |
| Homestake Road over Higgins Gulch | Fair | 22.0 ft | 2,000 | 1940 |
| Canyon Street over Spearfish Ck | Fair | 65.0 ft | 1,664 | 1992 |
| Colorado BLVD over False Bottom Ck | Fair | 92.8 ft | 1,500 | 1978 |
| I090 WB On Ramp over Spearfish Ck | Fair | 176.2 ft | 1,428 | 1971 |
| I090 EB Off Ramp over Spearfish Ck | Fair | 226.0 ft | 1,291 | 1971 |
| Us085 over Spearfish Ck | Fair | 67.3 ft | 1,102 | 1964 |
| Nash ST over Spearfish Ck | Fair | 38.4 ft | 500 | 1998 |
| Nemo Road over Boxelder Ck | Fair | 39.0 ft | 438 | 1954 |
| Nemo Road over Elk Ck | Fair | 22.0 ft | 389 | 1957 |
| Whitewood Valley over Whitewood Ck | Fair | 119.1 ft | 300 | 1963 |
| County RD over I090 | Fair | 253.9 ft | 260 | 1968 |
| Hillsview Road over Spearfish Ck | Fair | 90.2 ft | 200 | 1986 |
| Eden RD over I090 | Fair | 268.4 ft | 195 | 1968 |
| Upper Redwater RD over Redwater Rv | Fair | 80.1 ft | 150 | 1981 |
| State Park RD over Spearfish Ck | Fair | 32.8 ft | 100 | 2006 |
| Cleopatra Road over Spearfish Ck | Fair | 40.0 ft | 100 | 1977 |
| Rimrock Lodge Road over Spearfish Ck | Fair | 40.0 ft | 100 | 1977 |
| Rodeo Entrance over Whitewood Ck | Fair | 41.3 ft | 90 | 1986 |
| Winterville Road over Spearfish Ck | Fair | 100.1 ft | 69 | 1981 |
| Kirk RD over Whitewood Ck | Fair | 74.5 ft | 69 | 2004 |
| I090 Wf over Spearfish Ck | Fair | 100.1 ft | 50 | 1974 |
| Us014aef over Deadwood Ck | Fair | 71.9 ft | 50 | 1997 |
| Whitewood Valley over Whitewood Ck | Fair | 119.1 ft | 49 | 1966 |
| 108th Ave. over Redwater Rv | Fair | 39.4 ft | 48 | 2008 |
| Walnut Street over Whitewood Ck | Fair | 44.9 ft | 30 | 1994 |
| Higgins Gulch over Higgins Gulch | Fair | 24.9 ft | 25 | 1963 |
| Mill Creek Road over Beaver Ck | Fair | 38.4 ft | 13 | 1975 |
| Us014a over I090 | Good | 183.1 ft | 10,868 | 2016 |
| I090 E over Sandstone DR | Good | 92.8 ft | 10,406 | 1970 |
| Us014a over Ck | Good | 35.8 ft | 9,638 | 1994 |
| Jackson BLVD over I090 | Good | 273.3 ft | 9,388 | 1971 |
| Us014a over Ck | Good | 39.7 ft | 9,387 | 1994 |
| I090 W over False Bottom Ck | Good | 106.0 ft | 8,455 | 1970 |
| I090 E over False Bottom Ck | Good | 106.0 ft | 8,455 | 1970 |
| I090 W over N Rainbow RD | Good | 119.1 ft | 8,455 | 1971 |
| I090 E over N Rainbow RD | Good | 119.1 ft | 8,455 | 1971 |
| Us014a over Deadwood Ck | Good | 53.1 ft | 8,091 | 2019 |
| Us014a over Draw | Good | 22.0 ft | 6,870 | 1999 |
| Us014a over Bear Butte Ck | Good | 34.1 ft | 6,870 | 1975 |
| Us014a over Boulder Ck | Good | 29.2 ft | 6,397 | 1999 |
| Us085 N over Redwater Rv | Good | 159.4 ft | 4,388 | 2005 |
| Sd034 over Ck | Good | 20.7 ft | 3,690 | 1963 |
| Sd034 over False Bottom Ck | Good | 70.9 ft | 3,690 | 1998 |
| Us385 over Whitewood Ck | Good | 54.8 ft | 2,338 | 1985 |
| Us385 over West Strawberry Ck | Good | 34.8 ft | 2,338 | 2002 |
| Us385 over Bear Butte Ck | Good | 26.2 ft | 2,338 | 2002 |
| Us014a over Ck | Good | 21.0 ft | 2,212 | 1994 |
| Us385 over Middle Box Elder Ck | Good | 28.2 ft | 2,050 | 1995 |
| Exit 10 Service RD over Spearfish Ck | Good | 172.9 ft | 2,000 | 1971 |
| Alcorn Ridge Road over Polo Ck | Good | 50.2 ft | 1,000 | 2018 |
| Us014a over Spearfish Ck | Good | 85.0 ft | 989 | 2003 |
| Old Belle HWY over Spearfish Ck | Good | 127.0 ft | 740 | 2006 |
| Old Belle HWY over Trib To Spearfish Ck | Good | 80.1 ft | 740 | 2003 |
| Old Belle HWY over Redwater Rv | Good | 148.0 ft | 740 | 2005 |
| Mckinley Street over Whitewood Ck | Good | 41.0 ft | 698 | 1990 |
| ST Onge Road over False Bottom Ck | Good | 149.9 ft | 600 | 2023 |
| ST Onge Road over False Bottom Ck | Good | 103.7 ft | 600 | 2023 |
| Camp Comfort Road over Higgins Gulch | Good | 24.0 ft | 500 | 2003 |
| Nemo Road over Estes Ck | Good | 51.5 ft | 500 | 1975 |
| Whitewood Valley over Whitewood Ck | Good | 173.9 ft | 300 | 2020 |
| Nemo Road over Boxelder Ck | Good | 66.9 ft | 282 | 1974 |
| Nemo Road over Boxelder Ck | Good | 80.1 ft | 200 | 1974 |
| Saint Joe ST over Chipmunk Gulch | Good | 24.6 ft | 150 | 1999 |
| Homestake Road over Beaver Ck | Good | 41.3 ft | 69 | 1930 |
| Homestake Road over Higgins Gulch | Good | 25.9 ft | 69 | 2000 |
| Dorsette Road over Redwater Rv | Good | 74.1 ft | 69 | 2020 |
| Hellmer Widdos RD over Redwater Rv | Good | 80.1 ft | 69 | 2022 |
| Kirk Road over Ck | Good | 49.2 ft | 69 | 1992 |
| I-90 Service Road over Whitewood Ck | Good | 174.5 ft | 69 | 2024 |
| Tumbleweed Trail over Carlson Ditch | Good | 29.9 ft | 50 | 2009 |
| Golden Gate St. over Deadwood Ck | Good | 34.1 ft | 50 | 1992 |
| Fogelson RD over False Bottom Ck | Good | 49.9 ft | 50 | 1977 |
| Fdr 140 over Boxelder Creek | Good | 77.4 ft | 50 | 2009 |
| Fdr 140 over Boxelder Creek | Good | 35.1 ft | 50 | 1948 |
| Kirk RD over Whitewood Ck | Good | 24.3 ft | 25 | 1990 |
| Croked Creek over False Bottom Creek | Good | 23.3 ft | 25 | 2003 |
| Fdr 186 over False Bottom Creek | Good | 23.3 ft | 25 | 2003 |
| Coyote Lane over Spearfish Ck | Good | 40.0 ft | 10 | 2021 |
| Timm LN over Whitewood Ck | Good | 47.9 ft | 10 | 2024 |
| State Park RD over Crow Ck | Good | 61.4 ft | 5 | 2017 |