Cassia County, Idaho bridges
Cassia County has 117 bridges and culverts in the National Bridge Inventory, the oldest built in 1950. None are rated poor. The most common type is frame (42%).
- Bridges
- 117
- Good
- 21%
- Fair
- 79%
- Poor
- 0%
- 0 bridges
- Average age
- 40.7 yrs
- Posted or closed
- 3
Map of bridges in Cassia County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Cassia County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good21%(24)
Fair79%(93)
Poor0%(0)
When they were built
Busiest
- I 84B over Snake River;overland BrFair26,000 vehicles/day
- I 86 Ebl over I 84 WblGood19,000 vehicles/day
- I 84B Sbl over Snake River;heyburn Br.Fair17,000 vehicles/day
- I 84B Nbl over Snake River;heyburn Br.Fair15,000 vehicles/day
- SH 77 over CanalFair13,000 vehicles/day
Longest
- Fair
- Fair
- Fair
- I 86 Ebl over I 84 WblGood452 ft
- I 86 WB Ramp over I 84Good395 ft
Oldest
- SH 77 over G CanalFairBuilt 1950
- 500 West over East CanalFairBuilt 1952
- I 84B Nbl over Snake River;heyburn Br.FairBuilt 1955
- I 84 Ebl over Southside CanalFairBuilt 1960
- I 84 Wbl over Southside CanalFairBuilt 1960
All bridges in Cassia County
Busiest first · showing 1–117 of 117| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I 84B over Snake River;overland Br No. 000000000013331 | Near Burley Ncl | 2001 | Stringer/Multi-beam or Girder | 850 ft | 26,000 | Fair |
| I 86 Ebl over I 84 Wbl No. 000000000010593 | 13.8 E Burley | 2020 | Box Beam or Girders - Single or Spread | 452 ft | 19,000 | Good |
| I 84B Sbl over Snake River;heyburn Br. No. 000000000013675 | At Burley Ncl | 1977 | Tee Beam | 1,313 ft | 17,000 | Fair |
| I 84B Nbl over Snake River;heyburn Br. No. 000000000013670 | At Burley Ncl | 1955 | Tee Beam | 1,313 ft | 15,000 | Fair |
| SH 77 over Canal No. 000000000015235 | 6.9 N. Albion | 1985 | Frame | 23 ft | 13,000 | Fair |
| I 84 over Co.Rd.;horse Butte Gs No. 000000000016435 | 16.6 E. Burley | 1963 | Frame | 27 ft | 11,500 | Fair |
| I 84 over Juniper Rd;gs NO.1 No. 000000000016470 | 3.1 E. Sublett | 1968 | Frame | 24 ft | 11,000 | Fair |
| I 84 over Juniper Rd;gs NO.2 No. 000000000016475 | 5.5 E. Sublett | 1968 | Frame | 24 ft | 11,000 | Fair |
| I 84 over Meadow Creek No. 000000000016480 | 5.7 E. Sublett | 1968 | Frame | 23 ft | 11,000 | Fair |
| I 84 Ebl over Southside Canal No. 000000000016405 | 9.4 E. Burley | 1960 | Stringer/Multi-beam or Girder | 211 ft | 9,500 | Fair |
| I 84 Wbl over Southside Canal No. 000000000016410 | 9.4 E. Burley | 1960 | Stringer/Multi-beam or Girder | 211 ft | 9,500 | Fair |
| I 84 Ebl over 1250 E Gs No. 000000000016415 | 12.3 E. Burley | 1960 | Stringer/Multi-beam or Girder | 108 ft | 9,500 | Good |
| I 84 Wbl over 1250 E Gs No. 000000000016420 | 12.3 E. Burley | 1960 | Stringer/Multi-beam or Girder | 108 ft | 9,500 | Fair |
| I 84 Ebl over Raft River No. 000000000016450 | 10.1 N. Sublett | 1973 | Stringer/Multi-beam or Girder | 51 ft | 5,750 | Fair |
| I 84 Wbl over Raft River No. 000000000016455 | 10.1 N. Sublett | 1967 | Tee Beam | 52 ft | 5,750 | Fair |
| I 84 Ebl over Co.Rd.;gs NO.3 No. 000000000016500 | 13.1 E. Sublett | 1968 | Frame | 24 ft | 5,500 | Fair |
| I 84 Wbl over Co.Rd.;gs NO.3 No. 000000000016505 | 13.1 E. Sublett | 1968 | Frame | 24 ft | 5,500 | Fair |
| I 84 Ebl over Co.Rd.;gs NO.4 No. 000000000016510 | 15.8 E. Sublett | 1968 | Frame | 24 ft | 5,500 | Fair |
| I 84 Wbl over Co.Rd.;gs NO.4 No. 000000000016515 | 15.8 E. Sublett | 1968 | Frame | 24 ft | 5,500 | Fair |
| SH 77 over Marsh Creek No. 000000000015240 | Near Declo Ncl | 1960 | Frame | 24 ft | 4,900 | Fair |
| I 86 Ebl over Farm Rd;machine Pass Gs No. 000000000010615 | 20.3 E. Burley | 1960 | Frame | 26 ft | 3,850 | Fair |
| I 86 Wbl over Farm Rd;machine Pass Gs No. 000000000010620 | 20.3 E. Burley | 1960 | Frame | 24 ft | 3,850 | Fair |
| I 86 Ebl over County Rd;old US 30N Gs No. 000000000010635 | 27.6 E. Burley | 1960 | Stringer/Multi-beam or Girder | 108 ft | 3,850 | Fair |
| I 86 Wbl over County Rd;old US 30N Gs No. 000000000010640 | 27.6 E. Burley | 1960 | Stringer/Multi-beam or Girder | 108 ft | 3,850 | Fair |
| I 86 Ebl over Raft River No. 000000000010646 | 28.1 E. Burley | 2019 | Stringer/Multi-beam or Girder | 105 ft | 3,850 | Fair |
| I 86 Wbl over Raft River No. 000000000010651 | 28.1 E. Burley | 2019 | Stringer/Multi-beam or Girder | 105 ft | 3,850 | Good |
| I 86 Ebl over Yale Road;raft River Ic No. 000000000010655 | 28.6 E. Burley | 1960 | Stringer/Multi-beam or Girder | 108 ft | 3,850 | Fair |
| I 86 Wbl over Yale Road;raft River Ic No. 000000000010660 | 28.6 E. Burley | 1960 | Stringer/Multi-beam or Girder | 108 ft | 3,850 | Fair |
| SH 81 over G Canal No. 000000000016621 | In Declo | 2013 | Frame | 23 ft | 3,400 | Good |
| SH 25 over I 84;RUPERT-DECLO Ic No. 000000000013090 | 8.4 E. Burley | 1960 | Box Beam or Girders - Multiple | 212 ft | 3,200 | Fair |
| SH 77 over G Canal No. 000000000015245 | 1.1 N. Declo | 1950 | Frame | 24 ft | 3,200 | Fair |
| SH 77 over F Canal No. 000000000015250 | 1.8 N. Declo | 1960 | Tee Beam | 36 ft | 3,200 | Fair |
| Stc 7552;PARK Ave over G Canal No. 000000000021383 | In Burley | 1983 | Frame | 31 ft | 2,800 | Fair |
| STC7632;HILAND Ave over G Canal No. 000000000024140 | 100 S 50 E;hiland Ave | 1973 | Tee Beam | 26 ft | 2,700 | Fair |
| SH 81 over Marsh Creek No. 000000000016616 | In Declo Ecl | 2013 | Box Beam or Girders - Multiple | 47 ft | 2,600 | Fair |
| SH 77 over Canal No. 000000000015230 | 6.4 N. Albion | 1985 | Frame | 32 ft | 2,500 | Fair |
| STC2839;500 South over J Canal No. 000000000019605 | 4.1S 1.4W DECLO;730E-500S | 1975 | Tee Beam | 39 ft | 1,800 | Fair |
| Idahome Road over I 84 Eb-Wb;idahome RD Gs No. 000000000024250 | 8.2 W. Sublett | 1967 | Stringer/Multi-beam or Girder | 312 ft | 1,700 | Fair |
| SH 81B Spur over I 84;MALTA-YALE RD Ic No. 000000000016625 | 19.9 E. Burley | 1963 | Stringer/Multi-beam or Girder | 220 ft | 1,600 | Fair |
| SH 81 over H Canal No. 000000000016611 | 1.3 E. Declo | 2006 | Box Beam or Girders - Multiple | 52 ft | 1,500 | Fair |
| Stc 2834;400 S RD over J Canal No. 000000000019590 | 4.3 S. 3.1 W. Burley | 1989 | Frame | 23 ft | 1,500 | Fair |
| Stc 2838;250 East over G Canal (unity Br) No. 000000000019601 | 1.2 S 2.5 E Burley | 2006 | Frame | 22 ft | 1,500 | Fair |
| E 100 S over G Canal;e.Burley Br No. 000000000024035 | 1.4S 1.0E BURLEY;100E100S | 1976 | Frame | 27 ft | 1,400 | Fair |
| E 100 S over G Canal No. 000000000024038 | 1.4 S 2.3 E Burley | 1975 | Slab | 23 ft | 1,400 | Fair |
| SH 81 over J Canal No. 000000000016606 | 2.8 E. Declo | 2006 | Box Beam or Girders - Multiple | 58 ft | 1,300 | Fair |
| S 400 W over G Canal No. 000000000019593 | 4.0 W 0.7 S Burley | 1994 | Frame | 21 ft | 1,000 | Good |
| Stc 4698;E 600 N over Southside Canal No. 000000000024211 | 6.8 N. 3.3 E. Declo | 1998 | Frame | 73 ft | 720 | Fair |
| W 1000 S over Big Cottonwood Creek No. 000000000023958 | 5.4 W. 6.5 S. Pella | 1970 | Culvert | 37 ft | 710 | Fair |
| Heglar Canyon RD over Heglar Drain No. 000000000024185 | 8.5 S. 4.5 E. Raft River | 1984 | Frame | 24 ft | 630 | Fair |
| STC2739;ROCK CR RD over Rock Creek;shoe Cr.Br. No. 000000000019430 | 19.2 S. Hanson | 1971 | Frame | 23 ft | 600 | Fair |
| STC2739;ROCK CR RD over Rock Creek No. 000000000019435 | 17.8 S. Hanson | 1971 | Frame | 23 ft | 600 | Good |
| 50 West Road over H Canal No. 000000000024005 | 2.6S 0.1W BURLEY;220S-50W | 1989 | Frame | 34 ft | 480 | Fair |
| 300 North Road over Main Southside Canal No. 000000000024075 | 3.8N 1.2E DECLO;965E-300N | 1976 | Tee Beam | 71 ft | 480 | Fair |
| S 100 W over H Canal No. 000000000024008 | 2.5 S 1.0 W Burley | 1983 | Frame | 21 ft | 430 | Fair |
| I 86 WB Ramp over I 84 No. 000000000010603 | 12.7 E. Heyburn | 2020 | Stringer/Multi-beam or Girder | 395 ft | 400 | Good |
| W 200 South Road over J Canal No. 000000000019595 | 2.3 S. 3.1 W. Burley | 1977 | Frame | 27 ft | 360 | Fair |
| East Main Street over East Canal No. 000000000034495 | In Oakley | 2020 | Culvert | 20 ft | 360 | Good |
| Sublett Road over I 84 Eb-Wb;sublett RD Ic No. 000000000024255 | At Sublett | 1967 | Stringer/Multi-beam or Girder | 312 ft | 300 | Fair |
| S 1200 W over Milner Main Canal No. 000000000019598 | 12.0 W 1.4 S Burley | 2021 | Frame | 20 ft | 280 | Good |
| S 50 W Pole LN RD over J Canal No. 000000000023923 | 5.8 S 0.1 W Burley | 1990 | Frame | 22 ft | 270 | Good |
| 350 East Road over G Canal No. 000000000023935 | 0.2 S. 5.0 W. Declo | 1986 | Frame | 22 ft | 250 | Good |
| 100 South Road over G Canal No. 000000000024215 | 0.1 S. 0.7 W. Declo | 1989 | Frame | 24 ft | 250 | Fair |
| STC4693;S 550 E over H Canal No. 000000000024116 | 3.8 S. 3.0 W. Declo | 2004 | Frame | 25 ft | 210 | Fair |
| Reid Spring Road over Raft River No. 000000000019609 | 3.5 S. 1.0 E. Almo | 2001 | Stringer/Multi-beam or Girder | 44 ft | 200 | Fair |
| 500 West over East Canal No. 000000000023970 | 1.9 S. 0.8 W. Oakley | 1952 | Slab | 27 ft | 200 | Fair |
| 150 East Road over G Canal No. 000000000024021 | 2.0 S. 1.5 E. Burley | 2001 | Frame | 40 ft | 200 | Fair |
| 200 South Road over G Canal No. 000000000024070 | 1.2 S. 3.1 W. Declo | 1988 | Frame | 22 ft | 200 | Fair |
| 200 South Road over G Canal No. 000000000024080 | 1.2 S. 3.2 W. Declo | 1988 | Frame | 22 ft | 200 | Good |
| 950 East Road over Main Southside Canal No. 000000000024091 | 0.9 N 1.0 E Declo | 2008 | Frame | 98 ft | 200 | Fair |
| 400 South Road over H Canal No. 000000000023990 | 3.2S 1.7W DECLO;670E-400S | 1975 | Tee Beam | 27 ft | 170 | Fair |
| 400 South Road over J Canal;sw Declo Br No. 000000000024050 | 3.2S 0.8W DECLO;770E-400S | 1978 | Tee Beam | 46 ft | 170 | Fair |
| 400 South Road over H Canal No. 000000000024105 | 3.2 S. 3.5 E. Burley | 1983 | Frame | 21 ft | 170 | Fair |
| 350 East Road over H Canal No. 000000000024100 | 2.9S 5.0W DECLO;370S-350E | 1976 | Tee Beam | 30 ft | 160 | Fair |
| 200 South Road over J Canal No. 000000000023930 | 1.0S 1.2E DECLO;970E-200S | 1984 | Tee Beam | 47 ft | 120 | Fair |
| 200 South Road over H Canal;se.Burley No. 000000000024170 | 1.2S 0.6E DECLO;910E-200S | 1972 | Tee Beam | 26 ft | 120 | Fair |
| 300 South Road over J Canal;se.Declo Br No. 000000000023915 | 2.2S 0.5E DECLO;905E-300S | 1975 | Tee Beam | 41 ft | 100 | Fair |
| 50 East Road over J Canal;se.Burley Br No. 000000000023920 | 6.1S 0.5E BURLEY;580S-50E | 1975 | Tee Beam | 31 ft | 100 | Fair |
| Baseline Road over Raft River No. 000000000023946 | 0.2S 0.4W Raft River Ic | 2019 | Stringer/Multi-beam or Girder | 105 ft | 100 | Good |
| 950 East Road over J Canal No. 000000000023951 | 2.5S 1.0E DECLO;240S-950E | 2015 | Frame | 39 ft | 100 | Fair |
| 250 East Road over J Canal No. 000000000023955 | 7.0S 2.5E BURLEY;660S250E | 1974 | Tee Beam | 31 ft | 100 | Fair |
| 650 East Road over G Canal No. 000000000023966 | 0.4S 2.0W DECLO;120S-650E | 2005 | Frame | 23 ft | 100 | Fair |
| 100 South Road over H Canal;e.Declo Br No. 000000000023975 | 0.2S 1.1E DECLO;955E-100S | 1985 | Tee Beam | 33 ft | 100 | Fair |
| 1050 East Road over H Canal No. 000000000023985 | 0.5N 2.0E DECLO;35S-1050E | 1974 | Tee Beam | 29 ft | 100 | Fair |
| 750 East Road over H Canal No. 000000000024000 | 2.3S 1.0W DECLO;310S-750E | 1973 | Tee Beam | 26 ft | 100 | Fair |
| 950 East Road over H Canal No. 000000000024011 | 0.6S 1.0E DECLO;150S-950E | 2009 | Frame | 24 ft | 100 | Fair |
| 600 South Road over J Canal No. 000000000024015 | 5.3S 2.1W DECLO;640E-600S | 1976 | Tee Beam | 35 ft | 100 | Fair |
| 550 East Road over J Canal No. 000000000024025 | 5.8S 3.0W DECLO;655S-550E | 1973 | Tee Beam | 38 ft | 100 | Fair |
| 600 South Road over J Canal No. 000000000024030 | 6.4S 0.7E BURLEY;70E-600S | 1973 | Tee Beam | 31 ft | 100 | Fair |
| 500N-1130E over Main Southside Canal No. 000000000024045 | 6.0 N. 2.9 E. Declo | 1981 | Tee Beam | 78 ft | 100 | Fair |
| E. 100 S. over Marsh Creek No. 000000000024063 | 0.2 S. 2.4 E. Declo | 1999 | Frame | 25 ft | 100 | Fair |
| 1100 East Road over J Canal;se.Declo Br No. 000000000024065 | .3S 2.5E DECLO;110S-1100E | 1972 | Tee Beam | 38 ft | 100 | Fair |
| 300 South Road over H Canal;sw.Declo Br No. 000000000024095 | 2.2S 0.9W DECLO;760E-300S | 1973 | Tee Beam | 26 ft | 100 | Fair |
| 450 East Road over H Canal No. 000000000024110 | 3.6S 4.0W DECLO;435S-450E | 1974 | Tee Beam | 26 ft | 100 | Fair |
| 00 South 832 East over G Canal No. 000000000024121 | 0.8 N 0.2 W Declo | 2024 | Frame | 27 ft | 100 | Good |
| 750 East Road over J Canal No. 000000000024130 | 3.5S 1.0W DECLO;420S-750E | 1977 | Tee Beam | 67 ft | 100 | Fair |
| 950 East Road over Main South Side Canal No. 000000000024136 | 2.8N 1.0E DECLO;195N-950E | 1992 | Frame | 80 ft | 100 | Fair |
| 650 East Road over J Canal No. 000000000024145 | 5.0S 2.0W DECLO;580S-650E | 1975 | Tee Beam | 52 ft | 100 | Fair |
| 150 East Road over J Canal No. 000000000024156 | 6.7S 1.5E BURLEY;630S150E | 1996 | Frame | 28 ft | 100 | Good |
| 500 South Road over J Canal No. 000000000024175 | 5.3S 1.7W BURLEY;175W500S | 1970 | Tee Beam | 49 ft | 100 | Fair |
| 648 N 1250 E over Main Southside Canal No. 000000000024181 | 7.4 N 4.0 E Declo | 2011 | Frame | 74 ft | 100 | Good |
| 650 East Road over H Canal No. 000000000024126 | 3.7S 2.0W DECLO;450S-650E | 2022 | Frame | 45 ft | 90 | Good |
| Main STREET(100 S) over Marsh Creek No. 000000000023925 | At Declo Ecl;main ST | 1981 | Frame | 26 ft | 80 | Fair |
| 450 East Road over J Canal No. 000000000024150 | 6.0S 4.0W DECLO;690S-450E | 1978 | Tee Beam | 39 ft | 70 | Fair |
| Stc 2842;E Ey Road over Raft River No. 000000000023948 | 2.0 S. 3.2 E. Almo | 2001 | Stringer/Multi-beam or Girder | 44 ft | 60 | Fair |
| 790N-1350E over Main Southside Canal No. 000000000024085 | 8.9 N. 5.0 E. Declo | 1980 | Tee Beam | 78 ft | 50 | Fair |
| 2950 East RD over Heglar Drain No. 000000000024188 | 14.9 NE Malta | 2003 | Frame | 22 ft | 50 | Fair |
| S 2750 E over Heglar Drain No. 000000000024192 | 1.0 W 6.0 S Raft River | 1990 | Frame | 27 ft | 50 | Good |
| Beet Dump Road over I 84 Eb-Wb;cotterell Gs No. 000000000024245 | 22.3 E. Burley | 1967 | Stringer/Multi-beam or Girder | 254 ft | 50 | Fair |
| Stc 2842;E Ey Road over Raft River No. 000000000034450 | 2.4 S. 6.4 E. Almo | 2014 | Culvert | 48 ft | 50 | Good |
| Fdr over Rock Creek No. 041400000036050 | 16 Miles South of Hansen | 2024 | Box Beam or Girders - Multiple | 40 ft | 50 | Good |
| HWY 81 Bypass over J Canal No. 000000000024060 | 0.3N 2.6E DECLO;1000E-50S | 1986 | Tee Beam | 40 ft | 40 | Fair |
| S 1050 E RD over J Canal No. 000000000023933 | 2.0 E 0.75 S Declo | 2000 | Slab | 43 ft | 30 | Good |
| Wilson Ave over East Canal No. 000000000023964 | In Oakley | 2011 | Culvert | 37 ft | 30 | Good |
| S 350 E RD over J Canal No. 000000000024153 | 7.0 S 3.5 E Burley | 2000 | Slab | 48 ft | 30 | Good |
| County Road over I 84 Eb-Wb;sweetzer Ic No. 000000000024270 | 8.9 E. Sublett | 1968 | Stringer/Multi-beam or Girder | 235 ft | 30 | Fair |
| Dam Road over East Canal No. 000000000023961 | 2.7 S. 1.5 W. Oakley | 2015 | Stringer/Multi-beam or Girder | 33 ft | 20 | Fair |
| 2200 S Road over West Canal No. 000000000023973 | 1.7 S. 1.5 W. Oakley | 2023 | Stringer/Multi-beam or Girder | 45 ft | 20 | Good |
Structure types in Cassia County
| Frame | 49 | 41.9% |
| Tee Beam | 31 | 26.5% |
| Stringer/Multi-beam or Girder | 23 | 19.7% |
| Box Beam or Girders - Multiple | 5 | 4.3% |
| Culvert | 4 | 3.4% |
| Slab | 4 | 3.4% |
| Box Beam or Girders - Single or Spread | 1 | 0.9% |
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