| US 93 over Mill Creek | 2011 | 15,852 | Good |
| US 93 over Corvallis Canal | 1980 | 14,714 | Good |
| US 93 over Bitterroot River | 2005 | 14,573 | Fair |
| US 93 over Blodgett Creek | 2008 | 14,573 | Fair |
| US 93 over N Fork Bear Creek | 2011 | 13,924 | Good |
| US 93 over S Fork Bear Creek | 2011 | 13,924 | Fair |
| US 93 over Sweathouse Creek | 2010 | 13,924 | Good |
| US 93 over Sweeney Creek | 2005 | 12,007 | Good |
| US 93 over North Bass Creek | 2005 | 11,313 | Good |
| US 93 over South Bass Creek | 2005 | 11,313 | Good |
| US 93 over Wildlife Underpass | 2005 | 11,313 | Good |
| US 93 over Wildlife Underpass | 2006 | 11,313 | Good |
| US 93 over Skalkaho Creek | 1984 | 10,438 | Fair |
| US 93 over Big Creek | 2010 | 10,026 | Fair |
| US 93 over Kootenai Creek | 2008 | 10,026 | Fair |
| US 93 over Mccalla Creek | 2010 | 10,026 | Fair |
| US 93 over Mccalla Creek | 2008 | 10,026 | Fair |
| Stevi Cutoff Rd over Bitterroot River | 1951 | 8,573 | Fair |
| Stevi Cutoff Rd over Bitterroot River Overflo | 1951 | 8,573 | Fair |
| S 203-eastside Hwy over Bitterroot River | 2014 | 7,710 | Fair |
| US 93 over Bitterroot River | 1949 | 6,979 | Fair |
| Woodside Cutoff Rd over Bitterroot River | 1954 | 5,076 | Fair |
| US 93 over Lost Horse Creek | 1990 | 4,628 | Good |
| US 93 over Rock Creek | 1990 | 4,628 | Good |
| Eastside Hwy over Irrigation Canal | 1997 | 4,348 | Good |
| US 93 Fh 19 over Tin Cup Creek | 1990 | 3,689 | Good |
| Eastside Hwy over Etna Ditch | 1997 | 3,654 | Good |
| Eastside Hwy over Irrigation Canal | 1997 | 3,654 | Good |
| Eastside Hwy over Irrigation Canal | 1997 | 3,654 | Good |
| US 93 Fh 19 over Fern Creek | 1990 | 3,167 | Good |
| Skalkaho Hwy over Republican Ditch 063 | 1941 | 3,100 | Fair |
| Bell Crossing over Bitterroot River | 1974 | 2,814 | Fair |
| Bell Crossing over Bitterroot River Overflo | 1974 | 2,814 | Good |
| Bell Crossing over Bitterroot River Overflo | 1974 | 2,814 | Good |
| Bell Crossing over Bitterroot River Overflo | 1974 | 2,814 | Fair |
| W Main St over Bitterroot River | 1968 | 2,746 | Fair |
| Skalkaho Hwy over Hedges Canal 012 | 1941 | 1,713 | Fair |
| Skalkaho Hwy over Skalkaho Creek 053 | 1941 | 1,713 | Poor |
| Bowman Rd over Blodgett Creek 024 | 1993 | 1,344 | Fair |
| Black Ln over Surprise Ditch 056 | 2013 | 1,206 | Good |
| US 93 Fh 19 over Bitterroot River | 1986 | 1,099 | Fair |
| US 93 Fh 19 over E Fork Bitterroot River | 2003 | 1,099 | Good |
| US 93 Fh 19 over E Fork Bitterroot River | 2003 | 1,099 | Good |
| US 93 Fh 19 over E Fork Bitterroot River | 2003 | 1,099 | Good |
| US 93 Fh 19 over E Fork Bitterroot River | 1937 | 1,099 | Fair |
| US 93 Fh 19 over Rye Creek | 1990 | 1,099 | Fair |
| S 531-westside Rd over Sawtooth Creek | 1972 | 972 | Fair |
| US 93 Fh 19 over E Fork Bitterroot River | 2003 | 962 | Good |
| West Fork Rd over Trapper Creek | 1957 | 888 | Fair |
| Victor Crossing E over Bitterroot River 017 | 1984 | 746 | Poor |
| Victor Crossing E over Bitterroot River 019 | 1982 | 746 | Fair |
| Victor Crossing W over Bitterroot River 020 | 1984 | 746 | Poor |
| Victor Crossing W over Bitterroot River 021 | 2000 | 746 | Fair |
| Willoughby Ln over Supply Ditch 085 | 2014 | 641 | Good |
| Quast Ln over Surprise Ditch 060 | 1918 | 537 | Poor |
| S 531-westside Rd over Roaring Lion Creek | 1972 | 519 | Fair |
| Grantsdale Rd over Skalkaho CR Overflow 040 | 1935 | 474 | Fair |
| Grantsdale Rd over Skalkaho Creek 102 | 1972 | 474 | Fair |
| Home Acres Rd over Supply Ditch 023 | 1978 | 459 | Fair |
| Sleeping Child Rd over Sleeping Child Creek 073 | 1972 | 349 | Good |
| Sleeping Child Rd over Two Bear Creek 110 | 2010 | 349 | Good |
| Skalkaho Hwy over Canal 058 | 1941 | 331 | Poor |
| County Road 653 over E Fork Bitterroot R 107 | 1991 | 309 | Good |
| E Fork Rd over E Fork Bitterroot R 009 | 1947 | 309 | Fair |
| Old Darby Rd over Bitterroot River 074 | 1917 | 289 | Fair |
| Old Darby Rd over Sleeping Child Creek 075 | 1972 | 200 | Fair |
| No Data Entered over Rock CR | 1970 | 136 | Poor |
| Winters Lane over Supply Ditch 065 | 1994 | 122 | Good |
| Ambrose Creek Rd over Bitterroot Canal 093 | 1986 | 100 | Fair |
| Bowman Rd over Mill Creek 103 | 1973 | 100 | Fair |
| Chief Victor Camp over Sweathouse Creek 062 | 1993 | 100 | Fair |
| Conner Cutoff Rd over E Fork Bitterroot R 050 | 1962 | 100 | Fair |
| Conner Cutoff Rd over W Fork Bitterroot R 049 | 1962 | 100 | Fair |
| County Hwy over South Bear Creek | 2017 | 100 | Good |
| Dutch Hill Rd over Mill Creek 072 | 1985 | 100 | Fair |
| Edwards Road over E Fork Bitterroot River | 2021 | 100 | Good |
| Fish Hatchery Rd over Skalkaho Creek 042 | 2009 | 100 | Good |
| Foley Ln over Skalkaho Creek 041 | 1972 | 100 | Fair |
| Golf Course Rd over Bitterroot Canal 044 | 1984 | 100 | Fair |
| Golf Course Rd over Bitterroot Canal 045 | 1986 | 100 | Fair |
| Hamilton Heights R over Bitterroot Canal 057 | 1992 | 100 | Good |
| Hoblitt Ln over Sweeney Creek 055 | 1972 | 100 | Fair |
| Indian Prairie Lp over Big Creek 016 | 1973 | 100 | Fair |
| Iron Cap Dr over Irrigation Canal 054 | 1972 | 100 | Fair |
| Kootenai Creek Rd over Kootenai Creek 048 | 2008 | 100 | Good |
| Lake Como Rd over Rock Creek 100 | 1977 | 100 | Good |
| Lil Sleeping Child over Sleeping Child Creek 038 | 1972 | 100 | Fair |
| Meridian Rd over Bear Creek 015 | 1936 | 100 | Poor |
| Meridian Rd over Fred Burr Creek | 2024 | 100 | Good |
| Meridian Rd over Mill Creek 014 | 1972 | 100 | Fair |
| Meridian Rd over Sweathouse Creek 099 | 1973 | 100 | Good |
| Mid Burnt Fork Rd over Bitterroot Canal 089 | 1984 | 100 | Poor |
| Mid Burnt Fork Rd over North Burnt Fork CR 022 | 1970 | 100 | Fair |
| No Data Entered over Sheephead CR | 2011 | 100 | Good |
| Old Darby Rd over Rock Creek 052 | 1918 | 100 | Fair |
| Orchard Dr over Blodgett Creek 013 | 1987 | 100 | Fair |
| Pleasant View Dr over Sweathouse Creek 002 | 2009 | 100 | Good |
| Red Crow Rd over Fred Burr Creek 039 | 1972 | 100 | Good |
| Red Crow Rd over South Bear Creek 111 | 2009 | 100 | Good |
| S Shoshone Loop over Skalkaho Creek 043 | 1979 | 100 | Fair |
| S Sunset Bench Rd over Irrigation Canal 018 | 1970 | 100 | Good |
| Sheafman Creek Rd over Mill Creek 106 | 1973 | 100 | Fair |
| Soft Rock Rd over Bitterroot Canal 059 | 1977 | 100 | Fair |
| Stevensville Airpo over Supply Ditch 092 | 1987 | 100 | Fair |
| Tammany Ln over Bitterroot Canal 046 | 1988 | 100 | Fair |
| Thorning Loop over Rye Creek 064 | 1975 | 100 | Fair |
| Willow Creek Rd over Bitterroot Canal 061 | 1964 | 100 | Fair |
| Mid Burnt Fork Rd over North Burnt Fork Ck | 2012 | 89 | Fair |
| W Fork Rd over W Fork Bitterroot R 003 | 2004 | 52 | Good |
| No Data Entered over Bass Creek | 2001 | 50 | Good |
| No Data Entered over Blue Joint | 1960 | 50 | Fair |
| No Data Entered over E F Bitterroot | 1947 | 50 | Fair |
| No Data Entered over Johnson CR | 2016 | 50 | Good |
| No Data Entered over Little West Fork CR | 1990 | 50 | Good |
| No Data Entered over North Fork Rye Creek | 2024 | 50 | Good |
| No Data Entered over Rye Creek | 2024 | 50 | Good |
| No Data Entered over Warm Springs Creek | 2011 | 50 | Good |
| No Data Entered over Daly CR | 1947 | 45 | Fair |
| No Data Entered over Lick Creek | 2003 | 40 | Good |
| No Data Entered over Moose Creek | 2007 | 40 | Good |
| No Data Entered over N F Losthorse CR | 1953 | 40 | Poor |
| No Data Entered over No Data Entered | 2011 | 40 | Good |
| No Data Entered over Three Mile Creek | 2007 | 40 | Good |
| No Data Entered over W F Bitterroot Coal | 1960 | 30 | Fair |
| No Data Entered over Watchtower CR | 1990 | 30 | Good |
| No Data Entered over Nfsr 5758 and Nfsr 725 | 2008 | 25 | Good |
| Route 49 over W F Bitterroot | 1964 | 21 | Fair |
| No Data Entered over Blodgett CR | 1967 | 20 | Fair |
| No Data Entered over Boulder Creek | 1979 | 20 | Good |
| Road 436 over Camp CR | 1979 | 20 | Fair |
| Route 362 over W F Bitterroot | 1957 | 20 | Fair |
| No Data Entered over Lost Horse CR | 1968 | 14 | Fair |
| No Data Entered over Chaffin Creek | 2023 | 10 | Good |
| No Data Entered over E F Bitterroot | 1947 | 10 | Good |
| No Data Entered over Hughes CR | 1964 | 10 | Fair |
| No Data Entered over Nezperce Fk | 1972 | 10 | Fair |
| No Data Entered over Nezperce Fk Btt | 1954 | 10 | Fair |
| No Data Entered over Rye CR | 2020 | 10 | Good |
| No Data Entered over Swift Creek | 2011 | 10 | Good |
| No Data Entered over W F Bitterroot | 1954 | 10 | Fair |
| No Data Entered over E Fk Bitterroot Ri | 1969 | 9 | Poor |
| No Data Entered over Burnt Fork Bttr Riv | 1967 | 5 | Fair |
| No Data Entered over Daly CR | 1958 | 5 | Poor |
| No Data Entered over Hughes CR | 2016 | 5 | Good |
| No Data Entered over Little West Fork CR | 1968 | 5 | Fair |
| No Data Entered over Losthorse CR | 1958 | 5 | Poor |
| No Data Entered over Tin Cup Creek | 1972 | 5 | Fair |
| No Data Entered over Trapper Creek | 1979 | 5 | Fair |
| No Data Entered over Overwhich CR | 1972 | 2 | Fair |
| No Data Entered over Overwhich CR | 1964 | 2 | Fair |