38 bridges with vertical clearance data on US-20 in Idaho. Lowest: 134.8ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 134.8ft | Us 20 | 2290 E | 0.5 S. St Anthony | 1984 | Map |
| 145.0ft | Us 20 | Inl Central Connector | 22.2 E. Arco | 1993 | Map |
| 151.9ft | Us 20 | Sma 7096;Riverside Dr.Ic | In Idaho Falls;Riverside | 1969 | Map |
| 160.1ft | Us 20 | I 84 Eb-Wb;Parma Ic | 0.7 W. Caldwell Nwcl | 1964 | Map |
| 160.1ft | Us 20 Wbl & Ebl | Sma 9083;27Th Street | In Boise;Boise Connector | 1990 | Map |
| 160.1ft | Us 20 Eb-Wb | Sh 48;Rigby Gs | In Rigby | 1976 | Map |
| 162.1ft | Us 20 | I 15 Nb-Sb;Johns Hole Ic | In Idaho Falls | 1962 | Map |
| 165.7ft | Us 20B | Us 20;N.Rigby Ic | 0.7 N. Rigby | 1975 | Map |
| 166.7ft | Us 20B;Bridge St | Us 20;St. Anthony Ic | In St Anthony | 1984 | Map |
| 168.3ft | Us 20B | Us 20 Nb-Sb;S.Rigby Ic | 0.5 S. Rigby | 1976 | Map |
| 169.0ft | Us 20 Wbl | Us 20B;Lewisville Rd Ic | Id Falls;Lewisville Hwy | 1987 | Map |
| 169.3ft | Us 20 Ebl | Americana Blvd;15Th St. | In Boise; Myrtle Street | 1992 | Map |
| 169.9ft | Us 20 Ebl | Stp 7726;S.Rexburg Ic | 1.5 S. Rexburg | 1981 | Map |
| 170.9ft | Us 20 Ebl | Us 20B;Lewisville Rd Ic | Id Falls;Lewisville Hwy | 1987 | Map |
| 170.9ft | Us 20 Wbl | Sh 33;Rexburg Ic | 0.5 W. Rexburg;Sh 33 | 1981 | Map |
| 171.6ft | Us 20 Wbl | Stp 7726;S.Rexburg Ic | 1.5 S. Rexburg | 1981 | Map |
| 171.9ft | Us 20 Ebl | County Line Road Ic | 2.0 N.E. Ucon | 2001 | Map |
| 174.2ft | Us 20 Ebl | Menan-Lorenzo Rd Ic | 4.2 N. Rigby | 2011 | Map |
| 174.2ft | Us 20 Wbl | Americana Blvd;15Th St. | In Boise; Front Street | 1992 | Map |
| 174.2ft | Us 20 26 Ramp | Boise Rvr Slough;Ramp | Boise;Fairview/Chinden Ic | 1991 | Map |
| 174.9ft | Us 20 Wbl | County Line Road Ic | 2.0 N.E. Ucon | 2001 | Map |
| 174.9ft | Us 20 Wbl | Menan-Lorenzo Rd Ic | 4.2 N. Rigby | 2011 | Map |
| 174.9ft | Us 20 Ebl | Sh 33;Rexburg Ic | 0.5 W. Rexburg;Sh 33 | 1981 | Map |
| 176.5ft | Us 20;Broadway | I 84 Eb-Wb;Broadway Ic | Boise Scl | 2015 | Map |
| 176.8ft | Us 20; Franklin Rd | I 84;Franklin Rd Ic | At Caldwell Ecl | 2008 | Map |
| 177.5ft | Us 20 Ebl | Stc 6708; St Leon Rd Ic | 4.0 S.W. Ucon | 2005 | Map |
| 180.8ft | Us 20 Wbl | Stc 6708; St Leon Rd Ic | 4.0 S.W. Ucon | 2005 | Map |
| 181.1ft | Us 20 Ebl | Thorton Ic | At Thorton | 2016 | Map |
| 182.4ft | Us 20 Ebl | Stc 6706; Hitt Rd Ic | 2.0 S.W. Ucon | 2005 | Map |
| 185.7ft | Us 20 Wbl | Stc 6706; Hitt Rd Ic | 2.0 S.W. Ucon | 2005 | Map |
| 187.0ft | Us 20 Wbl | Thorton Ic | At Thorton | 2016 | Map |
| 227.4ft | Us 20 Ebl | Sh43;Eirr;W Belt Brdg Ic | Near Ucon | 1972 | Map |
| 227.4ft | Us 20 Wbl | Sh43;Eirr;W Belt Brdg Ic | Near Ucon | 1986 | Map |
| 232.6ft | Us 20 Wbl & Ebl | Sma 7076;Lindsay Blvd.Ic | In Idaho Falls;Lindsay Bl | 1966 | Map |
| 241.5ft | Us 20 | Uprr | In Idaho Falls | 1966 | Map |
| 245.1ft | Us 20 Ebl | S7046;Uprr;Scnce Ctr Ic | If; Science Center Dr | 1987 | Map |
| 245.1ft | Us 20 Wbl | S7046;Uprr;Scnce Ctr Ic | If; Science Center Dr | 1970 | Map |
| 245.7ft | Us 20 | Uprr;New York Canal | 1 S. Boise;Broadway Ave | 1970 | Map |