| Mt 55 over Fish Creek | Poor | 38.1 ft | 1,858 | 1953 |
| Mt HWY 2 over Rr 061 | Poor | 112.9 ft | 1,001 | 1932 |
| Sleepy Hollow LN over Prickly Pear Creek | Poor | 23.0 ft | 100 | 2010 |
| I 15 Frontage RD over Cataract Creek 030 | Poor | 79.7 ft | 100 | 1933 |
| I 15 Frontage RD over Basin Creek 041 | Poor | 63.0 ft | 100 | 1985 |
| E Elk Park RD over Bison Creek 016 | Poor | 32.2 ft | 100 | 1927 |
| Mcclellean Ck Road over Mcclellan Creek | Poor | 24.0 ft | 40 | 1959 |
| I 15 over Prickly Pear Creek | Fair | 22.6 ft | 5,987 | 1969 |
| I 15 over Prickly Pear Creek | Fair | 22.6 ft | 5,987 | 1969 |
| I 90 over Int Cardwell-s 359 | Fair | 139.1 ft | 5,599 | 1968 |
| I 90 over Int Cardwell-s 359 | Fair | 139.1 ft | 5,599 | 1968 |
| I 90 Westbound over Boulder River | Fair | 113.8 ft | 5,599 | 1968 |
| I 90 over Sep County Road | Fair | 79.1 ft | 5,599 | 1969 |
| I 90 over Sep County Road | Fair | 79.1 ft | 5,599 | 1969 |
| I 90 Eastbound over Int Whitehall | Fair | 128.9 ft | 5,175 | 1966 |
| I 90 Westbound over Int Whitehall | Fair | 128.9 ft | 5,175 | 1966 |
| I 90 Eastbound over P 69 | Fair | 215.9 ft | 5,175 | 1968 |
| I 90 Westbound over P 69 | Fair | 199.8 ft | 5,175 | 1968 |
| I 90 over Rr | Fair | 315.9 ft | 4,650 | 1966 |
| I 90 over Rr | Fair | 315.9 ft | 4,650 | 1966 |
| I 90 over Sep Sheep Camp RD | Fair | 108.9 ft | 4,650 | 1966 |
| I 90 over Sep Sheep Camp RD | Fair | 108.9 ft | 4,650 | 1966 |
| I 15 over Int Basin | Fair | 132.9 ft | 3,856 | 1985 |
| I 15 over Boulder Rvr-frontage RD | Fair | 151.9 ft | 3,856 | 1982 |
| I 15 over Int High Ore | Fair | 132.9 ft | 3,856 | 1982 |
| I 15 over Boulder River | Fair | 195.9 ft | 3,856 | 1980 |
| I 15 over Sep Galena Gulch Road | Fair | 78.1 ft | 3,856 | 1981 |
| I 15 over Int Clancy | Fair | 119.1 ft | 3,787 | 1969 |
| I 15 over Sep Lump Gulch Road | Fair | 80.1 ft | 3,787 | 1969 |
| I 15 over Sep Lump Gulch Road | Fair | 78.1 ft | 3,787 | 1969 |
| I 15 over Sep S HWY 282 | Fair | 134.8 ft | 3,787 | 1968 |
| I 15 over Sep S HWY 282 | Fair | 134.8 ft | 3,787 | 1968 |
| I 15 NB over Abandoned Rr | Fair | 237.9 ft | 3,787 | 1969 |
| I 15 over Abandoned Rr | Fair | 231.0 ft | 3,787 | 1969 |
| I 15 over Boulder River | Fair | 103.0 ft | 3,182 | 1985 |
| I 15 over Boulder River | Fair | 123.0 ft | 3,182 | 1985 |
| I 15 over Boulder River | Fair | 125.0 ft | 3,182 | 1985 |
| I 15 over Boulder River | Fair | 168.0 ft | 3,182 | 1985 |
| I 15 over Boulder River | Fair | 107.0 ft | 3,182 | 1985 |
| I 15 over Boulder River | Fair | 107.9 ft | 3,182 | 1985 |
| I 15 over Sep Silver Ave-basin CR | Fair | 201.1 ft | 3,182 | 1985 |
| S 69 over Boulder River | Fair | 177.2 ft | 3,016 | 2003 |
| I 15 over Sep Amazon RD | Fair | 79.1 ft | 2,534 | 1973 |
| I 15 over Sep Amazon Road | Fair | 79.1 ft | 2,534 | 1973 |
| I 15 over Sep Troy Creek Road | Fair | 78.1 ft | 2,534 | 1973 |
| I 15 over Sep Troy Creek Road | Fair | 78.1 ft | 2,534 | 1973 |
| S Hills Rd-hwy 282 over I-15 | Fair | 284.4 ft | 1,979 | 1968 |
| I 15 over Boulder River | Fair | 170.3 ft | 1,928 | 1980 |
| I 15 over Boulder River | Fair | 175.9 ft | 1,928 | 1980 |
| I 15 over Boulder Rvr-access RD | Fair | 199.1 ft | 1,928 | 1980 |
| I 15 over Boulder Rvr-access RD | Fair | 200.8 ft | 1,928 | 1980 |
| I 15 over Boulder River | Fair | 184.1 ft | 1,928 | 1980 |
| I 15 over Boulder River | Fair | 187.0 ft | 1,928 | 1979 |
| I 15 over Sep Depot Hill Road | Fair | 83.0 ft | 1,928 | 1973 |
| I 15 over Sep Depot Hill Road | Fair | 83.0 ft | 1,928 | 1973 |
| I 15 over Int Bernice-boulder R RD | Fair | 147.0 ft | 1,591 | 1985 |
| I 15 over Int Bernice-boulder R RD | Fair | 147.0 ft | 1,591 | 1985 |
| I 15 over Int Woodville | Fair | 148.0 ft | 1,576 | 1976 |
| I 15 over Int Woodville | Fair | 148.0 ft | 1,576 | 1976 |
| I 15 over Sep Sawmill Gulch | Fair | 123.0 ft | 1,576 | 1976 |
| I 15 over Sep Sawmill Gulch | Fair | 123.0 ft | 1,576 | 1976 |
| I 15 over Sep Elk Park-e Elk Park | Fair | 81.0 ft | 1,576 | 1985 |
| I 15 over Sep Elk Park-e Elk Park | Fair | 81.0 ft | 1,576 | 1985 |
| S 2 over Whitetail Creek | Fair | 64.0 ft | 1,419 | 1955 |
| S 359 over Jefferson River Slough | Fair | 111.5 ft | 1,362 | 1968 |
| US 287 over Jefferson River | Fair | 347.4 ft | 1,227 | 2001 |
| S 69 over Little Boulder River | Fair | 96.5 ft | 913 | 2016 |
| S 2 over Rader Creek | Fair | 95.1 ft | 686 | 1931 |
| Mt HWY 2 over Big Pipestone Creek 062 | Fair | 76.1 ft | 608 | 1931 |
| Mt HWY 2 over Colbert Creek 063 | Fair | 38.1 ft | 608 | 1931 |
| S 41 over Little Pipestone Creek | Fair | 76.1 ft | 473 | 1934 |
| Mt HWY 2 over Boulder River 064 | Fair | 113.8 ft | 392 | 1968 |
| Whitetail RD over Whitetail Creek | Fair | 25.9 ft | 292 | 1983 |
| Waterloo RD over Jefferson River | Fair | 244.4 ft | 242 | 1961 |
| Tebay LN over Jefferson Slough 014 | Fair | 30.8 ft | 180 | 1991 |
| Tebay LN over Jef Riv Overflow 013 | Fair | 72.2 ft | 180 | 2003 |
| Tebay LN over Jefferson River 012 | Fair | 234.9 ft | 180 | 1986 |
| Capp Lane over Pipestone Creek | Fair | 24.6 ft | 100 | 1930 |
| Basin Creek Road over Basin Creek | Fair | 27.9 ft | 100 | 1966 |
| Non Maintained Trl over Bison Creek | Fair | 48.9 ft | 100 | 1984 |
| Non Maintained Trl over Bison Creek | Fair | 41.0 ft | 100 | 1984 |
| Cataract Creek RD over Cataract Creek 034 | Fair | 33.1 ft | 100 | 1967 |
| Cataract Creek RD over Cataract Creek 035 | Fair | 24.0 ft | 100 | 1965 |
| Cataract Creek RD over Cataract Creek 036 | Fair | 24.9 ft | 100 | 1965 |
| Cataract Creek RD over Cataract Creek 048 | Fair | 48.2 ft | 100 | 1939 |
| Basin Creek RD over Basin Creek 032 | Fair | 49.9 ft | 100 | 1960 |
| Legal Tender LN over Prickly Pear Creek 070 | Fair | 22.0 ft | 100 | 1976 |
| Basin ST over Basin Creek 040 | Fair | 24.0 ft | 100 | 1931 |
| Cattle Drive RD over Boulder River 017 | Fair | 106.0 ft | 100 | 1983 |
| Galena Gulch RD over Boulder River 016 | Fair | 154.2 ft | 100 | 2003 |
| High Ore RD over Boulder River 038 | Fair | 87.6 ft | 100 | 1980 |
| I 15 Frontage RD over Boulder River 042 | Fair | 106.0 ft | 100 | 1985 |
| I 15 Frontage RD over Boulder River 043 | Fair | 100.4 ft | 100 | 1985 |
| I 15 Frontage RD over Boulder River 046 | Fair | 101.4 ft | 100 | 1985 |
| I 15 Frontage RD over Bison Creek 047 | Fair | 51.8 ft | 100 | 1985 |
| Paul Gulch RD over Sep I 90 002 | Fair | 274.9 ft | 100 | 1966 |
| Railroad Way over Prickly Pear Creek 065 | Fair | 25.6 ft | 100 | 1976 |
| Mcclellan Creek RD over Prickly Pear Creek 021 | Fair | 23.0 ft | 100 | 1975 |
| White Bridge RD over Boulder River 044 | Fair | 65.9 ft | 100 | 1979 |
| Hubbard LN over Boulder River 031 | Fair | 105.6 ft | 100 | 2001 |
| Lower Valley RD - over Boulder River 030 | Fair | 69.9 ft | 100 | 1977 |
| Milligan Canyon RD over Int Milligan-i 90 004 | Fair | 307.4 ft | 100 | 1969 |
| Boulder Cut Off RD over Boulder River 003 | Fair | 61.0 ft | 100 | 1981 |
| Frontage Road 925 over Int Jeff City-i 15 001 | Fair | 269.4 ft | 100 | 1970 |
| Yellowstone Trail over Whitetail Creek 024 | Fair | 33.1 ft | 100 | 1986 |
| E 1st Street over Whitetail Creek 023 | Fair | 36.7 ft | 100 | 1984 |
| S 69 over Int Boulder I 15 | Fair | 261.8 ft | 100 | 1973 |
| Galena Gulch Road over Boulder River | Fair | 71.5 ft | 50 | 1957 |
| No Data Entered over Bison Creek | Fair | 40.7 ft | 50 | 1986 |
| Shamrock Road over Boulder River | Fair | 28.2 ft | 40 | 1980 |
| S 518 over Int Montana City-i 15 | Good | 296.9 ft | 5,885 | 1968 |
| I 90 Eastbound over Boulder River | Good | 123.7 ft | 5,599 | 1968 |
| I 90 over Int Pipestone | Good | 124.7 ft | 4,650 | 1966 |
| I 90 over Int Pipestone | Good | 124.7 ft | 4,650 | 1966 |
| I 15 over Int Clancy | Good | 119.1 ft | 3,787 | 1969 |
| I 15 over Red Rock Creek | Good | 21.7 ft | 3,182 | 1984 |
| N 55 over Pipestone Creek | Good | 140.1 ft | 2,969 | 2018 |
| HWY 282 over Prickly Pear Creek | Good | 22.0 ft | 2,485 | 2024 |
| I 15 over Boulder River | Good | 98.1 ft | 1,591 | 1985 |
| I 15 over Boulder River | Good | 98.1 ft | 1,591 | 1985 |
| I 15 over Int Trask-lowland RD | Good | 128.0 ft | 1,576 | 1976 |
| I 15 over Int Trask-lowland RD | Good | 128.0 ft | 1,576 | 1976 |
| S-282 Haab Lane over Prickly Pear Creek | Good | 55.1 ft | 927 | 1981 |
| S 69 over Animal Crossing | Good | 38.7 ft | 913 | 2016 |
| Hot Springs Road over Big Pipestone Creek | Good | 50.9 ft | 100 | 2020 |
| Jewett LN over Irrigation Canal 008 | Good | 24.3 ft | 100 | 2021 |
| Meridian Road over Jefferson River | Good | 272.0 ft | 100 | 2023 |
| Cataract Creek RD over Cataract Creek 071 | Good | 40.0 ft | 100 | 2005 |
| Cataract Creek RD over Cataract Creek 072 | Good | 55.1 ft | 100 | 2005 |
| Lump Gulch Road over Prickly Pear Creek 074 | Good | 41.0 ft | 100 | 2007 |
| Homestake Pass over Int Homestake-i 90 005 | Good | 231.0 ft | 100 | 1966 |
| Quaintance LN over Boulder Ditch 029 | Good | 29.9 ft | 100 | 2010 |
| Dunn LN over Boulder River 028 | Good | 85.6 ft | 100 | 2015 |
| Cottonwood RD over Boulder River 009 | Good | 79.1 ft | 100 | 1983 |
| Tizer Creek Road over Prickly Pear Creek 085 | Good | 49.9 ft | 100 | 2005 |
| No Data Entered over Hells Canyon Creek | Good | 23.0 ft | 50 | 1998 |