Culvert bridges in Idaho
A pipe or box structure carrying water beneath the roadway. Culverts over 20 feet long are counted as bridges. Idaho has 156 of them, 3.4% of its bridges. Nationally this type accounts for 23.8% of all bridges.Compare states for this type.
- Culvert bridges
- 156
- Poor condition
- 6%
- 9 bridges
- Average age
- 33.6 yrs
- Combined length
- 1 mi
Busiest culvert bridges in Idaho
Top 156 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| I84 Ebl Wbl over Notus Canal No. 000000000015546 | Canyon County | In Caldwell | 2022 | Culvert | 26 ft | 68,000 | Good |
| I 184;W Fairview over Settlers Canal No. 000000000018995 | Ada County | In Boise | 1967 | Culvert | 45 ft | 56,500 | Fair |
| I 84 over Farmers Sebree Canal No. 000000000015480 | Canyon County | In Caldwell | 1980 | Culvert | 47 ft | 53,500 | Fair |
| STP7220;STATE ST over Farmers Union Canal No. 000000000021241 | Ada County | In Boise @ Collister | 2019 | Culvert | 76 ft | 34,000 | Good |
| SH 69 over Rawson Canal No. 000000000015135 | Ada County | 4.0 S. Meridian | 1990 | Culvert | 23 ft | 33,500 | Fair |
| I 15 Nbl & Sbl over Ross Fork Creek No. 000000000011356 | Bingham County | 10.4 N. Pocatello | 2023 | Culvert | 26 ft | 29,000 | Good |
| Sma 9183;TEN Mile over Ten Mile Drain No. 000000000019770 | Ada County | 2.0 W. Meridian | 1990 | Culvert | 22 ft | 26,000 | Good |
| Sma 7563;OVERLAND over Ten Mile Creek No. 000000000021890 | Ada County | 1.0 S. 0.1 E. Meridian | 1986 | Culvert | 26 ft | 23,000 | Fair |
| I 84 Ebl over Notus Canal No. 000000000015465 | Canyon County | 1.0 W. Caldwell | 1964 | Culvert | 23 ft | 22,750 | Good |
| SMA9213;VETERANS P over Boise River;n Channel No. 000000000026355 | Ada County | In Boise;veterans Parkway | 1985 | Culvert | 21 ft | 22,500 | Fair |
| STP7933;FRANKLIN R over Notus Canal No. 000000000021776 | Canyon County | In Caldwell;franklin RD | 2009 | Culvert | 21 ft | 22,000 | Good |
| Sma 7143;USTICK RD over North Slough No. 000000000026093 | Ada County | In Boise | 2014 | Culvert | 24 ft | 16,500 | Good |
| I 90 Ebl & Wbl over Cedar Creek No. 000000000016930 | Kootenai County | 11.6 E. Coeur Dalene | 1988 | Culvert | 25 ft | 15,000 | Fair |
| I 90 Ebl & Wbl over Cedar Creek No. 000000000016950 | Kootenai County | 12.6 E. Coeur Dalene | 1988 | Culvert | 21 ft | 15,000 | Fair |
| I 90 Ebl & Wbl over Cedar Creek No. 000000000016955 | Kootenai County | 12.7 E. Coeur Dalene | 1988 | Culvert | 21 ft | 15,000 | Fair |
| US 95 over Hatwai Creek No. 000000000018475 | Nez Perce County | 2.7 E. Lewiston | 1979 | Culvert | 25 ft | 13,000 | Fair |
| STP7243;E Park Ctr over Loggers Creek No. 000000000033985 | Ada County | East Boise | 2009 | Culvert | 36 ft | 11,500 | Good |
| STC7232;BLUE Lakes over Rock Creek No. 000000000021380 | Twin Falls County | On Blue Lakes;twin Falls | 1959 | Culvert | 39 ft | 11,500 | Poor |
| SMA9243;VICTORY RD over Calkins Lateral No. 000000000034120 | Ada County | 2.5 S 1.9 W Meridian | 2016 | Culvert | 24 ft | 10,000 | Good |
| SMA7553;FEDERAL Wy over Ridenbaugh Canal No. 000000000021451 | Ada County | In Boise;federal Way | 1991 | Culvert | 48 ft | 9,300 | Fair |
| US 20 Ebl & Wbl over Salem Union Canal No. 000000000012615 | Fremont County | 1.2 E. ST Anthony | 1979 | Culvert | 38 ft | 9,100 | Fair |
| I 86 & Ramps over Lanes Gulch No. 000000000010675 | Power County | 17.9 W. American Falls | 1981 | Culvert | 29 ft | 8,300 | Fair |
| US 95 over Robertson Slough No. 000000000018121 | Washington County | 0.6 S. Weiser Scl | 2017 | Culvert | 46 ft | 7,800 | Good |
| Sma 7674;MTN View over Paradise Creek No. 000000000021710 | Latah County | In MOSCOW;6th & Mtn-View | 1993 | Culvert | 26 ft | 7,300 | Fair |
| Stc 7704;PERIMETER over Paradise Creek No. 000000000021735 | Latah County | In Moscow;u I Access SH 8 | 1953 | Culvert | 30 ft | 7,000 | Fair |
| Sma 7674;MTN View over Paradise Creek No. 000000000021715 | Latah County | In Moscow;hillcrest-Mtn V | 1992 | Culvert | 29 ft | 6,400 | Poor |
| Sma 7603;BOISE Ave over Ridenbaugh Canal No. 000000000021680 | Ada County | In Boise on Boise Avenue | 1988 | Culvert | 54 ft | 6,100 | Fair |
| US 95 over Calf Creek No. 000000000018491 | Latah County | 13.3 S. Moscow | 2006 | Culvert | 26 ft | 6,100 | Fair |
| STC2714;3700 North over Rock Creek No. 000000000019365 | Twin Falls County | 1.0 S. 0.4 E. Twin Falls | 1973 | Culvert | 21 ft | 6,000 | Poor |
| SH 55 over Lake Fork Creek Canal No. 000000000014871 | Valley County | In Lake Fork | 1998 | Culvert | 32 ft | 6,000 | Fair |
| Sma 7674;MTN View over Paradise Creek No. 000000000021718 | Latah County | Mtn View @ White Ave. | 1997 | Culvert | 27 ft | 5,800 | Good |
| Sma 7124;E Main ST over Lindsay Creek No. 000000000021291 | Nez Perce County | In Lewiston | 1997 | Culvert | 51 ft | 5,700 | Fair |
| Dollar Road over Trail Creek No. 000000000033320 | Blaine County | In Sun Valley | 1988 | Culvert | 20 ft | 5,000 | Good |
| US 20 over Oakland Waste Ditch No. 000000000012295 | Bonneville County | 4.8 W. Idaho Falls | 1976 | Culvert | 22 ft | 4,800 | Good |
| STP3764;AMITY RD over Rawson Canal No. 000000000034115 | Ada County | 3.5 S 1.8 W Meridian | 2016 | Culvert | 20 ft | 4,300 | Good |
| US 95 over E.Fk. Lapwai Creek No. 000000000033160 | Lewis County | 4.9 N. 1.0 E. Winchester | 1957 | Culvert | 53 ft | 3,600 | Fair |
| US 95 over B Line Canal No. 000000000018040 | Owyhee County | 6.8 S. Homedale Scl | 1982 | Culvert | 24 ft | 3,600 | Good |
| Stc 5759;DIVISION over Little Pine Creek No. 000000000020487 | Shoshone County | 1.0 N Pinehurst | 1935 | Culvert | 21 ft | 3,600 | Fair |
| N Yellowstone HWY over Menan Canal No. 000000000032661 | Jefferson County | 0.9 S. 0.5 W. Lorenzo | 2010 | Culvert | 40 ft | 3,500 | Good |
| US 95 over Drain No. 000000000018402 | Lewis County | 1.6 S. Craigmont | 1991 | Culvert | 24 ft | 3,500 | Good |
| SH 24 over B Canal No. 000000000012995 | Minidoka County | 0.4 E. Rupert | 1983 | Culvert | 103 ft | 3,500 | Good |
| Linden Road over Fifteen Mile Creek No. 000000000027644 | Canyon County | 4.8 N 0.3 E Nampa | 2013 | Culvert | 26 ft | 3,400 | Good |
| STC3728;LAKE Hazel over Rawson Canal No. 000000000026107 | Ada County | 4.5 S. 0.1 E. Meridian | 2024 | Culvert | 23 ft | 3,300 | Good |
| S3760;FLTG Feather over Dry Creek Canal No. 000000000026365 | Ada County | 1.0 N. 0.6 E. Star | 1987 | Culvert | 30 ft | 3,300 | Fair |
| Stc 1847; Fir Road over Government Canal No. 000000000019280 | Bingham County | 1.2 W. Shelley | 1980 | Culvert | 60 ft | 3,300 | Fair |
| Sma 7841;A Street over B Canal No. 000000000019621 | Minidoka County | In Rupert | 2014 | Culvert | 41 ft | 3,200 | Good |
| US 95 over Cottonwood Creek No. 000000000018369 | Idaho County | S. of Cottonwood Scl | 1978 | Culvert | 27 ft | 3,000 | Fair |
| STC2748;EASTLAND over Rock Creek No. 000000000019425 | Twin Falls County | 1.2 S. 1.0 E. Twin Falls | 1979 | Culvert | 21 ft | 3,000 | Fair |
| SH 8 over Big Meadow Creek No. 000000000010240 | Latah County | 0.2 E. Troy Cl | 1979 | Culvert | 26 ft | 2,900 | Fair |
| Bottle Bay Road over Bike/Pedestrian UP No. 000000000030118 | Bonner County | 2.5 S. 0.01 E. Sandpoint | 2018 | Culvert | 24 ft | 2,800 | Good |
| I 90B over Placer Creek No. 000000000017245 | Shoshone County | In Wallace | 1942 | Culvert | 21 ft | 2,800 | Fair |
| Stc 3881;STATE ST over Galloway Canal No. 000000000018135 | Washington County | In Weiser | 1977 | Culvert | 24 ft | 2,600 | Fair |
| Stc 5736;HAYDEN Lk over Hayden Creek No. 000000000030580 | Kootenai County | 3.5 N. 2.9 E. Hayden Lake | 1987 | Culvert | 35 ft | 2,500 | Fair |
| STC2757;NORTH Road over J Coulee Canal No. 000000000019501 | Jerome County | 1.8 N Jerome | 2014 | Culvert | 24 ft | 2,400 | Fair |
| SH 3 over Thorn Creek No. 000000000018875 | Benewah County | 4.5 S. ST Maries | 1939 | Culvert | 23 ft | 2,300 | Fair |
| US 91 over West Cache Canal No. 000000000017471 | Franklin County | 3.2 N. Preston | 1993 | Culvert | 24 ft | 2,300 | Good |
| Stc 8743;7th Ave N over Lower Payette Ditch No. 000000000021896 | Payette County | In PAYETTE;7th Ave N | 2009 | Culvert | 26 ft | 2,300 | Good |
| I 90B over S.Fk.Cda R;I-90B Arch No. 000000000017250 | Shoshone County | In Wallace;bank St. | 1940 | Culvert | 94 ft | 2,300 | Poor |
| Stateline RD;WY16 over Grand Teton Canal No. 000000000031223 | Teton County | 1 MI West of Alta | 2005 | Culvert | 25 ft | 2,300 | Fair |
| US 26B over Enterprize Canal No. 000000000013311 | Bonneville County | 0.5 SW Ririe | 2015 | Culvert | 20 ft | 2,200 | Good |
| SH 21 over Crooked Creek No. 000000000012965 | Custer County | 3.1 W. Stanley | 1968 | Culvert | 21 ft | 2,200 | Fair |
| US 20 over Dry Creek No. 000000000015109 | Blaine County | 0.9 W. Carey | 1991 | Culvert | 54 ft | 2,000 | Good |
| STC2810;GANNETT RD over District Canal No. 000000000019536 | Blaine County | 1.1 S. 0.6 E. Bellevue | 1998 | Culvert | 29 ft | 1,900 | Fair |
| Cavanaugh Bay Road over Soldier Creek No. 000000000030248 | Bonner County | 22.6 N. Priest River | 2017 | Culvert | 25 ft | 1,900 | Good |
| S6780;SALEM Church over Salem Canal No. 000000000032858 | Madison County | 0.060 W. Sugar City | 2001 | Culvert | 63 ft | 1,900 | Good |
| Stc 7832;H Street over C Canal No. 000000000025150 | Minidoka County | In Rupert;h Street | 1965 | Culvert | 63 ft | 1,900 | Fair |
| 9th Ave N. over Indian Creek No. 000000000027685 | Canyon County | In NAMPA;9th Ave N | 1980 | Culvert | 24 ft | 1,700 | Good |
| SMA3778;DRY Crk RD over Dry Creek No. 000000000025757 | Ada County | Hidden Springs | 2006 | Culvert | 29 ft | 1,500 | Fair |
| Sma 7754;D ST over Paradise Creek No. 000000000021650 | Latah County | In Moscow | 1950 | Culvert | 27 ft | 1,500 | Good |
| Meridian Road over A Canal No. 000000000025261 | Minidoka County | 0.8N 4.5 E Heyburn | 2011 | Culvert | 27 ft | 1,500 | Good |
| Stc 3944;ELO Road over Lake Fork Canal No. 000000000028666 | Valley County | 2.1 S. 2.0 E. Mccall | 1996 | Culvert | 23 ft | 1,500 | Fair |
| SMA7724; Joseph ST over Paradise Creek No. 000000000021751 | Latah County | In Moscow; Joseph ST | 2009 | Culvert | 30 ft | 1,300 | Good |
| US 93 over Jimmy Byrnes Slough No. 000000000013160 | Lincoln County | 0.8 E. Richfield | 1987 | Culvert | 34 ft | 1,300 | Fair |
| Stc 8206;E 6th ST over Galloway Canal No. 000000000028745 | Washington County | 0.5 N. 0.8 E. Weiser | 1990 | Culvert | 24 ft | 1,300 | Fair |
| SMA3683;BLACK Cat over Ridenbaugh Canal No. 000000000026205 | Ada County | 3.0 N. 1.7 W. Kuna | 1988 | Culvert | 21 ft | 1,100 | Good |
| STC2863;600 West R over D-9A Drain No. 000000000019625 | Minidoka County | 3.5 N. Paul | 1979 | Culvert | 27 ft | 1,100 | Fair |
| STC5759;W Mckinley over Government Creek No. 000000000037825 | Shoshone County | Smelterville Ecl | 2010 | Culvert | 34 ft | 1,100 | Good |
| Mica Mtn. Road over Wirr(nw Deary Op) Path No. 000000000029446 | Latah County | 1.7 N. 2.2 W. Deary | 2024 | Culvert | 26 ft | 1,000 | Good |
| STC2869;400 W. Rd. over C Canal No. 000000000019656 | Minidoka County | 2.0 E 0.8 N Paul | 2007 | Culvert | 20 ft | 1,000 | Good |
| STC2739;3800 E. RD over Low Line Canal No. 000000000019451 | Twin Falls County | 2.7 S. Hansen | 1995 | Culvert | 25 ft | 1,000 | Good |
| Stc 1829; W 200 N over Peoples Canal No. 000000000019200 | Bingham County | 0.3 N. 1.3 W. Moreland | 1989 | Culvert | 27 ft | 980 | Good |
| STC2777;SHOESTRING over X-4 Lateral Canal No. 000000000019520 | Gooding County | 5.0 S. 1.5 W. Gooding | 1980 | Culvert | 40 ft | 980 | Good |
| SH 162 over Seven Mile Creek No. 000000000014924 | Idaho County | 4.4 S. Kamiah | 1997 | Culvert | 26 ft | 970 | Fair |
| SH 6 over E.Fk.Meadow Creek No. 000000000018836 | Latah County | 6.3 N. Harvard | 1991 | Culvert | 21 ft | 910 | Good |
| Sma 3789;BOGUS over Main Fork Stuart Gulch No. 000000000019827 | Ada County | Boise;bogus Basin Road | 1998 | Culvert | 61 ft | 820 | Good |
| US 93 over Warm Spring Creek No. 000000000018011 | Custer County | 6.8 S. Challis | 2018 | Culvert | 23 ft | 810 | Good |
| 3400 North Road over Rock Creek No. 000000000025345 | Twin Falls County | 4.7 S. 3.6 E. Twin Falls | 1965 | Culvert | 30 ft | 770 | Good |
| Bison Drive over Sand Creek No. 000000000033450 | Ada County | In Boise | 2000 | Culvert | 35 ft | 750 | Good |
| Alpine Steet over Elec Lght Switch Lateral No. 000000000033440 | Ada County | In Boise | 1970 | Culvert | 25 ft | 730 | Fair |
| W 1000 S over Big Cottonwood Creek No. 000000000023958 | Cassia County | 5.4 W. 6.5 S. Pella | 1970 | Culvert | 37 ft | 710 | Fair |
| US 93 over N. Fork Salmon River No. 000000000033340 | Lemhi County | 15.1 N. North Fork | 1997 | Culvert | 23 ft | 670 | Good |
| US 93 over N. Fork Salmon River No. 000000000033345 | Lemhi County | 15.1 N. North Fork | 1997 | Culvert | 24 ft | 670 | Good |
| US 93 over N. Fork Salmon River No. 000000000033350 | Lemhi County | 16.0 N. North Fork | 1997 | Culvert | 24 ft | 670 | Good |
| E 400 N over Twin Groves Canal No. 000000000032003 | Fremont County | 0.8 E 1.8 S ST Anthony | 2023 | Culvert | 27 ft | 630 | Good |
| STC4782;GRANGEMONT over Whiskey Creek No. 000000000020290 | Clearwater County | 4.2 N. 8.9 E. Orofino | 1962 | Culvert | 29 ft | 560 | Good |
| Boise Ave over Little Canyon Creek No. 000000000027940 | Elmore County | In Glenns Ferry | 1987 | Culvert | 27 ft | 500 | Fair |
| Vanderdasson RD over Seven Mile Slough No. 000000000028101 | Gem County | 0.1 S. 4.4 W. Emmett | 2013 | Culvert | 54 ft | 500 | Good |
| S3944;FARM to Mrkt over Willow Creek No. 000000000028561 | Valley County | 0.5 N. 1.5 E. Donnelly | 1996 | Culvert | 24 ft | 490 | Poor |
| S3944;FARM to Mrkt over Boulder Creek No. 000000000028631 | Valley County | 2.6 N. 1.5 E. Donnelly | 1996 | Culvert | 41 ft | 490 | Good |
| S3944;FARM to Mrkt over Stover Creek No. 000000000028633 | Valley County | 1.6 N. 1.5 E. Donnelly | 1996 | Culvert | 22 ft | 490 | Fair |
| SH 78 over Reynolds Creek No. 000000000015264 | Owyhee County | 16.4 E. Marsing | 1954 | Culvert | 30 ft | 460 | Fair |
| Town Circle Road over Sebree Canal No. 000000000026785 | Canyon County | 2.7 S. 5.4 E. Notus | 1980 | Culvert | 35 ft | 400 | Good |
| Stc 3988;ROSEBERRY over Willow Creek No. 000000000020068 | Valley County | 1.5 E. Donnelly | 1996 | Culvert | 30 ft | 370 | Poor |
| Stc 3988;ROSEBERRY over Boulder Creek No. 000000000020071 | Valley County | At Donnelly Ecl | 1996 | Culvert | 40 ft | 370 | Good |
| East Main Street over East Canal No. 000000000034495 | Cassia County | In Oakley | 2020 | Culvert | 20 ft | 360 | Good |
| SMA3340;MCDERMMOTT over Ridenbaugh High Line Cnl No. 000000000026100 | Canyon County | 2.0 N. 2.7 W. Kuna | 1987 | Culvert | 25 ft | 300 | Fair |
| Cementary Road over E.Br.Goose Cr;nw.Meadows No. 000000000026510 | Adams County | 0.6 N. 1.5 E. New Meadows | 1968 | Culvert | 26 ft | 250 | Fair |
| County Rd; FR 754 over Slaughter House Draw No. 000000000030051 | Benewah County | 0.5 N. 0.3 E. St. Joe | 2023 | Culvert | 34 ft | 240 | Good |
| Paddy Flat Road over Boulder Creek No. 000000000028629 | Valley County | 3.0 N. 1.6 E. Donnelly | 1978 | Culvert | 30 ft | 230 | Poor |
| Canyon Creek Road over Canyon Creek No. 000000000030753 | Shoshone County | In Burke | 2024 | Culvert | 21 ft | 220 | Good |
| E. Stage Coach RD over East Madden Lateral No. 000000000034130 | Canyon County | 4.5 N 1.4 W Melba | 2019 | Culvert | 21 ft | 200 | Good |
| Stc 3006;MANN Crk over Galloway Canal No. 000000000028691 | Washington County | 0.1 S. 5.4 E. Weiser | 2001 | Culvert | 29 ft | 180 | Good |
| Morrow Reservior R over Little Canyon Creek No. 000000000027771 | Elmore County | 0.9N 0.4W Glenns Ferry | 1995 | Culvert | 24 ft | 170 | Poor |
| Stc 4719;RED River over American River No. 000000000029338 | Idaho County | 1.2 S. 1.4 W. Elk City | 2014 | Culvert | 47 ft | 160 | Good |
| Stc 1759;OLD Hw 30 over Drain Ditch No. 000000000023315 | Caribou County | At Bancroft | 1976 | Culvert | 27 ft | 150 | Good |
| SH 14 over Leggett Creek No. 000000000010578 | Idaho County | 4.8 E. Golden | 2018 | Culvert | 20 ft | 150 | Good |
| SH 14 over Elk Creek No. 000000000010585 | Idaho County | 0.2 W. Elk City | 1983 | Culvert | 24 ft | 150 | Fair |
| Bridge Street over Paradise Creek No. 000000000029735 | Latah County | In Moscow;bridge ST Ecl | 1972 | Culvert | 30 ft | 150 | Fair |
| W Blackrock Road over Portneuf R;nw.Inkom Br No. 000000000021940 | Bannock County | 0.2 N. 4.0 W. Inkom | 1948 | Culvert | 42 ft | 100 | Fair |
| Longhurst Lane over Cedar Point Canal No. 000000000019288 | Bingham County | In Shelley | 1987 | Culvert | 50 ft | 100 | Good |
| Deep Cr. Road over Deep Creek No. 041301000034754 | Lemhi County | 14 Miles SW of Salmon Id | 2008 | Culvert | 20 ft | 100 | Good |
| STC3702;CLOVER-3CR over E. Fork Bruneau River No. 000000000028251 | Owyhee County | 25.8 W 5.0 S. Castleford | 2000 | Culvert | 42 ft | 100 | Good |
| Barkdull RD over Lanes Gulch No. 000000000023550 | Power County | 0.25 S Exit 21(COLDWATER) | 1981 | Culvert | 23 ft | 100 | Good |
| Cut Off Road over Hog Creek No. 000000000028731 | Washington County | 3.0 S 9.2 E Midvale | 2007 | Culvert | 36 ft | 90 | Good |
| Stc 1753;ARBON Vly over Bannock Cr.;s.Pauline Br No. 000000000019125 | Power County | 0.5 S. Pauline | 1962 | Culvert | 22 ft | 80 | Fair |
| N. Crane Road over Granger Creek No. 000000000028973 | Washington County | 3.5 S. 11.8 E. Midvale | 1996 | Culvert | 28 ft | 60 | Good |
| No Data Entered over Bear Creek No. 041201000001077 | Adams County | No Data Entered | 1965 | Culvert | 23 ft | 50 | Fair |
| S. Cemetery Road over Mill Slough No. 000000000034280 | Canyon County | 0.5 S. 0.4 W. Middleton | 2021 | Culvert | 30 ft | 50 | Good |
| Stc 2842;E Ey Road over Raft River No. 000000000034450 | Cassia County | 2.4 S. 6.4 E. Almo | 2014 | Culvert | 48 ft | 50 | Good |
| S 3200 E over Cub River;ne.Franklin Br No. 000000000023355 | Franklin County | 1.2 N. 0.3 E. Franklin | 1970 | Culvert | 30 ft | 50 | Fair |
| Zumwalt Road over S.Fk. Cottonwood Creek No. 000000000029126 | Idaho County | 4.8 N. 3.0 W. Grangeville | 2017 | Culvert | 20 ft | 50 | Good |
| Sheep Cr. Road over Sheep Creek No. 041302000001212 | Lemhi County | No Data Entered | 1985 | Culvert | 20 ft | 50 | Good |
| Frontage Road over Dairy Canyon Creek No. 000000000023565 | Power County | 13.2 W. American Falls | 1983 | Culvert | 31 ft | 50 | Fair |
| Nisula Road over Mud Creek No. 000000000028570 | Valley County | 2.0 N. 2.0 W. Donnelly | 1986 | Culvert | 41 ft | 50 | Poor |
| No Data Entered over Four Mile Ck No. 041206000001134 | Valley County | No Data Entered | 1999 | Culvert | 47 ft | 50 | Good |
| Bed Rock Flat Road over Hog Creek No. 000000000028891 | Washington County | 0.5S 9.3E Midvale | 2002 | Culvert | 31 ft | 50 | Good |
| Big Flat Road over S.Fk.Crane Creek No. 000000000028935 | Washington County | 10.6 S. 8.8 E. Midvale | 1991 | Culvert | 23 ft | 50 | Fair |
| N 175 E RD over Eagle Rock Cnl Headgate No. 000000000032351 | Jefferson County | 0.2 S. 4.4 E. Ririe | 1997 | Culvert | 38 ft | 40 | Fair |
| Onaway Road over Gold Creek No. 000000000029690 | Latah County | 1.1 E. Onaway | 1975 | Culvert | 22 ft | 40 | Fair |
| Fir Grove Road over Camas Creek No. 000000000023805 | Camas County | 3.4 S. 2.4 E. Fairfield | 1986 | Culvert | 50 ft | 30 | Fair |
| Fir Grove Road over Camas Creek No. 000000000023810 | Camas County | 3.4 S. 2.4 E. Fairfield | 1986 | Culvert | 65 ft | 30 | Fair |
| Fir Grove Road over Camas Creek No. 000000000023830 | Camas County | 3.6 S. 2.3 E. Fairfield | 1986 | Culvert | 100 ft | 30 | Good |
| Wolf LN;900 West over Camas Creek No. 000000000023885 | Camas County | 0.2 S. 4.2 E. Hill City | 1986 | Culvert | 160 ft | 30 | Fair |
| Wilson Ave over East Canal No. 000000000023964 | Cassia County | In Oakley | 2011 | Culvert | 37 ft | 30 | Good |
| Larson Road over Jim Ford Cr;se Weippe Br No. 000000000029006 | Clearwater County | 1.7 S. 1.0 E. Weippe | 2015 | Culvert | 24 ft | 30 | Good |
| Cemetary Access RD over Independent Canal No. 000000000031865 | Fremont County | 0.1 S. 1.0 W. ST Anthony | 1980 | Culvert | 27 ft | 30 | Good |
| Olson Road over S.Fk.Palouse River No. 000000000029710 | Latah County | 0.8 N. 3.0 E. Moscow | 1970 | Culvert | 23 ft | 30 | Fair |
| Hopper Road over Deer Creek No. 000000000028907 | Washington County | 3.5 N. 0.2 W. Midvale | 1997 | Culvert | 30 ft | 30 | Good |
| King Hill RD over Little Canyon Creek No. 000000000027806 | Elmore County | 6.5N. 0.8E. Glenns Ferry | 1999 | Culvert | 28 ft | 20 | Good |
| Salmon Creek RD over Reynolds Creek No. 0000000028298-T | Owyhee County | 1.6 N. 9.8 W. Murphy | 2024 | Culvert | 25 ft | 20 | Good |
| Nelson Lane over So. Fk. Rock Creek No. 000000000023498 | Power County | 3.0 N. 1.5 W. Rockland | 1985 | Culvert | 25 ft | 20 | Fair |
| 50234 over Cottonwood Ck No. 041201000001107 | Adams County | No Data Entered | 1966 | Culvert | 25 ft | 10 | Fair |
| Freegold Road over Soldier Creek No. 000000000023903 | Camas County | 8.1 N 1.0 W. Fairfield | 2018 | Culvert | 25 ft | 10 | Good |
| Sloans Point Road over Kennally Creek No. 000000000034350 | Valley County | 3.2 N 8.4 E Donnelly | 1985 | Culvert | 35 ft | 10 | Good |
| No Data Entered over Silver Creek No. 040206000033202 | Valley County | No Data Entered | 2009 | Culvert | 30 ft | 10 | Good |
| Griffin Loop South over W. Br. Little Wood River No. 000000000023688 | Blaine County | 2.9 S. Carey | 1978 | Culvert | 21 ft | 8 | Good |
Counties with the most
| Ada County | 19 |
| Latah County | 13 |
| Valley County | 12 |
| Canyon County | 10 |
| Washington County | 9 |
| Minidoka County | 6 |
| Idaho County | 6 |
| Twin Falls County | 5 |
| Power County | 5 |
| Shoshone County | 5 |
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