| I090 over Rc P&e RR | 2008 | 21,020 | Fair |
| I090 over Ck | 1957 | 20,060 | Fair |
| I090 over Alkali Ck | 1947 | 18,840 | Fair |
| I090 over Ck | 1956 | 18,420 | Good |
| I090 over North Br Morris Ck | 1956 | 18,420 | Fair |
| I090 over Pleasant Valley Ck | 2023 | 18,420 | Good |
| I090 over Rcp&e RR | 1981 | 18,420 | Fair |
| I090 over Morris Ck | 1956 | 18,380 | Good |
| I090 E over Chimney Canyon Rd | 2018 | 12,411 | Good |
| I090 W over Chimney Canyon Rd | 2017 | 12,411 | Good |
| I090 E over Elk Ck | 2018 | 12,320 | Good |
| I090 E over Little Elk Ck | 2018 | 12,320 | Good |
| I090 W over Elk Ck | 2017 | 12,320 | Good |
| I090 W over Little Elk Ck | 2017 | 12,320 | Good |
| I090 E over I090 Ef & Bh Nat Cem Rd | 1963 | 11,863 | Fair |
| I090 W over I090 Wf & Bh Nat Cem Rd | 1963 | 11,863 | Fair |
| I090 E over Junction Ave - Sturgis | 2006 | 11,744 | Fair |
| I090 E over Vanocker Cany Rcp&e RR | 2006 | 11,744 | Fair |
| I090 W over Junction Ave - Sturgis | 2005 | 11,744 | Fair |
| I090 W over Vanocker Cany Rcp&e RR | 2005 | 11,744 | Fair |
| I090 E over Deadman Gulch | 1963 | 11,255 | Fair |
| I090 E over Dolan Ck Rd (fas) | 1963 | 11,255 | Good |
| I090 E over Rc P&e RR | 1963 | 11,255 | Fair |
| I090 E over US014A | 1963 | 11,255 | Fair |
| I090 W over Deadman Gulch | 1963 | 11,255 | Fair |
| I090 W over Dolan Ck Rd (fas) | 1963 | 11,255 | Good |
| I090 W over Rc P&e RR | 1963 | 11,255 | Fair |
| I090 W over US014A | 1963 | 11,255 | Fair |
| I090 over Blackhawk Ck | 2008 | 11,025 | Good |
| I090 over Ck | 1963 | 10,290 | Fair |
| SD034 over Drainage Ditch | 1964 | 9,212 | Fair |
| Sd 231 over I090 | 2008 | 7,807 | Fair |
| I090 E over Bear Butte Ck | 1963 | 7,612 | Good |
| I090 W over Bear Butte Ck | 1963 | 7,612 | Good |
| SD231 Ser Rd over Blackhawk Ck | 1957 | 7,310 | Good |
| US014A over Bear Butte Ck | 2000 | 6,870 | Fair |
| Cross Road over Ck | 2008 | 3,948 | Good |
| Stage Stop Rd over I090 | 1980 | 3,739 | Fair |
| I090 WB Off Ramp over Blackhawk Ck | 2008 | 2,993 | Good |
| Elk Ck Rd (fas) over I090 | 1957 | 2,392 | Fair |
| SD079 over Bear Butte Ck | 1975 | 1,935 | Good |
| SD079 over Cottonwood Ck | 1954 | 1,935 | Fair |
| SD079 over Cottonwood Ck | 2021 | 1,935 | Good |
| SD079 over South Canal | 1954 | 1,935 | Fair |
| SD079 over Spring Ck | 1954 | 1,935 | Fair |
| County Rd over Box Elder Ck | 2003 | 1,895 | Good |
| I090 Ef over Ck | 2008 | 1,860 | Good |
| Vanocker Canyon Rd over Vanocker Ck | 2005 | 1,500 | Good |
| SD034 over Bull Ck | 1973 | 930 | Good |
| SD034 over Ck | 1956 | 930 | Fair |
| SD034 over Ck | 1973 | 930 | Fair |
| SD034 over East Elm Ck | 1956 | 930 | Fair |
| SD034 over Hay Ck | 1973 | 930 | Fair |
| Whitewood Rd over Bear Butte Ck | 2006 | 875 | Good |
| Whitewood Rd over Trib to Bear Butte Ck | 2006 | 875 | Good |
| SD034 over Belle Fourche Rv | 1998 | 833 | Fair |
| SD034 over Elm Ck | 2012 | 833 | Good |
| SD034 over Four Mile Ck | 2015 | 833 | Good |
| SD073 over Red Scaffold Ck | 1987 | 831 | Good |
| SD073 over Spook Ck | 1987 | 831 | Good |
| SD073 over West Br Turtle Ck | 1987 | 831 | Fair |
| SD034 over Bear Butte Ck | 2014 | 805 | Fair |
| SD034 over Ck | 1956 | 805 | Good |
| SD034 over Ck | 1956 | 805 | Good |
| SD034 over Ck | 1956 | 805 | Fair |
| SD034 over Cottle Ck | 2017 | 805 | Good |
| SD034 over Spring Ck | 2014 | 805 | Good |
| Junction Avenue over Bear Butte Ck | 1998 | 800 | Good |
| SD073 over Cherry Ck | 1985 | 702 | Fair |
| I090 Ef over Elk Ck | 2016 | 700 | Good |
| I090 Ef over Little Elk Ck | 2016 | 700 | Good |
| I090 Ef over Trib. to Elk Ck | 2016 | 700 | Good |
| I090 Ef over Trib. to Morris Ck | 2016 | 700 | Good |
| US212 over Ck | 1956 | 501 | Fair |
| Nemo Rd. over Boxelder Ck | 1974 | 500 | Fair |
| Ninth Street over Bear Butte Ck | 2019 | 488 | Good |
| Pleasant Valley Rd over I090 | 2023 | 433 | Good |
| Sly Street over Bear Butte Ck | 2013 | 400 | Good |
| Tilford Rd over I090 | 1964 | 392 | Fair |
| New Underwood Rd. over Belle Fourche Rv | 1975 | 280 | Fair |
| Elk Creek Rd. over Elk Ck | 1951 | 240 | Good |
| Elk Creek Rd. over Elk Ck | 1951 | 240 | Good |
| New Underwood Rd. over West Elm Ck | 1975 | 233 | Good |
| Stoneville Rd. over Ck | 1970 | 233 | Poor |
| Stoneville Rd. over Horse Creek | 1974 | 233 | Fair |
| Stoneville Rd. over Sulfur Ck | 1970 | 233 | Fair |
| I090 EB on Ramp over Morris Ck | 1963 | 224 | Good |
| Spring Valley Road over Trib Priest Canyon Ck | 2015 | 175 | Good |
| New Underwood Rd. over Elk Ck | 1992 | 162 | Good |
| Elk Vale Rd. over Dry Ck | 2017 | 153 | Good |
| Elk Creek Rd. over Elk Ck | 1950 | 151 | Good |
| Bear Butte Rd. over Spring Ck | 2001 | 145 | Good |
| Elk Creek Rd. over Ck | 1950 | 136 | Good |
| I090 WB Off Ramp over Morris Ck | 1963 | 134 | Good |
| Nine Mile Rd. over Spring Ck | 1990 | 100 | Good |
| White Gates over Little Elk Creek | 1973 | 100 | Fair |
| Nine Mile Rd over Nine Mile Ck | 2005 | 88 | Good |
| Elk Vale Rd. over Elk Ck | 1970 | 85 | Good |
| Bear Butte Rd. over Spring Ck | 2001 | 80 | Good |
| Dunn Rd. over South Canal | 1968 | 75 | Poor |
| Red Owl Rd. over Red Owl Ck | 2010 | 70 | Fair |
| Elk Creek Rd. over Morris Ck | 1954 | 66 | Fair |
| Fairpoint Rd. over Ck | 1962 | 65 | Poor |
| Elk Creek Rd. over Antelope Ck | 1954 | 63 | Poor |
| Elm Springs Rd. over Belle Fourche Rv | 1988 | 60 | Fair |
| Elmsprings Rd. over Bull Ck | 1975 | 60 | Poor |
| Fox Ridge Rd. over Beaver Ck | 1978 | 60 | Fair |
| Fox Ridge Rd. over Ck | 1994 | 60 | Good |
| Opal Rd. over Horse Ck | 1995 | 60 | Fair |
| Opal Rd. over Ck | 2022 | 59 | Good |
| Elm Springs Rd. over Elk Ck | 1965 | 58 | Poor |
| Antelope Creek Rd over Antelope Ck | 1976 | 56 | Fair |
| Antelope Creek Rd. over Elk Ck | 1976 | 56 | Poor |
| Hereford Rd. over Ck | 1960 | 55 | Fair |
| Hereford Rd. over Ck | 1960 | 55 | Fair |
| Avance Rd. over Ck | 1960 | 53 | Good |
| Elk Vale Rd. over Alkali Ck | 1986 | 53 | Fair |
| Elm Springs Rd. over Alkali Ck | 1960 | 53 | Fair |
| 202ND St. over Bear Butte Ck | 2000 | 50 | Poor |
| Avance Rd. over Red Owl Ck | 1962 | 50 | Fair |
| Bogus Jim T-370 over Jim Creek | 1973 | 50 | Fair |
| Crook City Road over Whitewood Creek | 1983 | 50 | Good |
| Elk Vale Rd. over Antelope Ck | 1982 | 50 | Good |
| Fdr 140 over Box Elder Creek | 1948 | 50 | Good |
| Fdr 140 over Boxelder Creek | 1948 | 50 | Fair |
| Fulton Street over Deadman Gulch | 1979 | 50 | Good |
| I090 Ef over Drainage | 2008 | 50 | Good |
| Marshall Street over Deadman Gulch | 1979 | 50 | Good |
| Sioux Land Rd over Ck | 2008 | 50 | Good |
| State Park Rd over Ck | 1964 | 50 | Fair |
| Old Marcus Rd over Red Owl Ck | 1982 | 45 | Fair |
| Opal Rd. over Pine Ck | 1999 | 42 | Good |
| Ricard Rd. over Ck | 2000 | 41 | Good |
| Alkali Rd. over Belle Fourche Rv | 1983 | 40 | Fair |
| Avance Rd. over Ck | 1962 | 40 | Good |
| Brushie Creek Rd. over Brushy Ck | 2013 | 37 | Good |
| 197TH Ave over Ck | 1954 | 36 | Good |
| 224 St over Boxelder Ck | 2004 | 35 | Good |
| 130TH Ave. over Ck | 1968 | 33 | Poor |
| 137TH Pl over Spring Ck | 2014 | 33 | Good |
| 139TH Ave. over Bear Butte Ck | 2010 | 33 | Good |
| Alder Pl. over Ck | 1963 | 33 | Good |
| Avalanch Rd. over Ck | 1963 | 33 | Good |
| Avance Rd. over Cherry Ck | 1984 | 33 | Fair |
| Ball Field Rd. over Ck | 2018 | 33 | Good |
| Bear Butte Rd. over Cottonwood Ck | 1935 | 33 | Poor |
| Fairpoint Rd. over Sulphur Ck | 1977 | 33 | Fair |
| Fox Ridge Rd. over Ck | 1965 | 33 | Fair |
| Fox Ridge Rd. over Pine Ck | 1999 | 33 | Fair |
| Gravel Rd. over Ck | 1930 | 33 | Poor |
| Haydraw Rd. over East Elm Ck | 1949 | 33 | Poor |
| North Haines Ave. over Elk Ck | 2020 | 33 | Good |
| Ricard Rd. over Elk Ck | 2000 | 33 | Good |
| State Park Rd over Ck | 1964 | 33 | Poor |
| Sulfur Cut Off Rd over Frozen Man Creek | 1967 | 33 | Fair |
| Tidewater Rd. over White Owl Ck | 1945 | 33 | Poor |
| 194TH St. over South Canal | 1995 | 30 | Good |
| Domino Pl. over Elk Ck | 1980 | 30 | Poor |
| Kentucky Pl. over Sulfur Ck | 1925 | 30 | Fair |
| Kentucky Pl. over Sulphur Ck | 1925 | 30 | Poor |
| Wicksville Rd over Elk Ck | 2005 | 30 | Good |
| Brushie Creek Rd. over Ck | 1955 | 29 | Fair |
| 194TH St. over South Canal | 1968 | 26 | Poor |
| Old Marcus Rd. over Red Owl Ck | 1991 | 26 | Fair |
| 194TH Ave. over South Canal | 1997 | 25 | Good |
| Bear Butte Rd. over South Canal | 2000 | 25 | Good |
| Bloody Gulch over Rapid Creek | 2005 | 25 | Good |
| Boxelder Camp over Boxelder Creek | 1948 | 25 | Fair |
| Boxelder Forks Cg over Boxelder Creek | 1972 | 25 | Good |
| Duren over Boxelder | 1973 | 25 | Good |
| Fdr 181 over Castle Creek | 2004 | 25 | Fair |
| Fdr 181 over Castle Creek | 1957 | 25 | Good |
| Fdr 224 over Little Creek | 2002 | 25 | Good |
| Ft Meade Recreatio over Alkali Creek | 2008 | 25 | Poor |
| Whitewood Valleyrd over Crow Ck | 1972 | 25 | Fair |
| 194TH St. over Whitewood Ck | 1977 | 24 | Fair |
| Brushie Creek Rd. over Ck | 1970 | 23 | Fair |
| Opal Rd. over Beaver Dam Ck | 1966 | 23 | Poor |
| County Rd over Ck | 1935 | 21 | Fair |
| Fox Ridge Rd. over Sulphur Ck | 1995 | 20 | Fair |
| Grapevine Rd. over Beaver Ck | 2002 | 20 | Good |
| United School Rd. over Ck | 1999 | 19 | Good |
| Triple Creek Rd. over Sulphur Ck | 1940 | 17 | Fair |
| 130TH Avenue over South Canal | 2004 | 16 | Good |
| 136TH Pl over Spring Ck | 1955 | 15 | Poor |
| 143RD Ave. over Boxelder Ck | 1966 | 15 | Fair |
| 145TH Ave. over Bear Butte Ck | 2017 | 15 | Good |
| Cemetery Rd. over South Canal | 1996 | 15 | Good |
| Colony Pl. over Bear Butte Ck | 2016 | 15 | Good |
| County Rd over Ck | 1940 | 15 | Fair |
| Empire Pl. over Elk Ck | 1965 | 15 | Poor |
| Galaxy Rd. over Elk Ck | 1925 | 15 | Fair |
| Killdeer Rd. over Sulphur Ck | 1999 | 15 | Good |
| Middle Alkali Rd. over Ck | 1965 | 15 | Fair |
| OLD212 Killdeer Rd over Lottie Creek | 1952 | 15 | Fair |
| OLD212 Killdeer Rd over Mud Butte Ck | 1952 | 15 | Fair |
| Old 212(KILLDEAR) over Camp Ck | 1967 | 15 | Fair |
| Ranch Rd. over East Kildeer Ck. | 1930 | 15 | Poor |
| Sidney Stage Rd. over Ck | 1966 | 15 | Fair |
| Wilcox Rd. over East Elm Ck | 1966 | 15 | Poor |
| Little Elk Ck. Rd. over Little Elk Ck | 1955 | 11 | Fair |
| 220TH over Elk Ck | 1950 | 10 | Fair |
| Brehm Rd. over Ck | 1935 | 10 | Poor |
| Brehm Rd. over Elk Ck | 1995 | 10 | Fair |
| Corral Rd. over Pine Ck | 1966 | 10 | Poor |
| Deer View Road over Elk Ck | 1965 | 10 | Fair |
| Diamond Rd. over Alkali Ck | 1978 | 10 | Fair |
| Horseshoe Rd. over Elk Ck | 1950 | 10 | Fair |
| Impala Pl. over Ck | 1964 | 10 | Poor |
| Morris Creek Pl. over Morris Ck | 2020 | 10 | Good |
| Pioneer Rd. over Elk Ck | 1955 | 10 | Poor |
| Pleasant View Rd. over Red Owl Ck | 1955 | 10 | Fair |
| Vista Pl. over Ck | 1930 | 9 | Fair |