19 bridges with vertical clearance data on SR-27 in Iowa. Lowest: 152.6ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 152.6ft | Nb Ia 27 | 18Th St | 1.6 Mi. S Of Us 218 | 1994 | Map |
| 154.2ft | Nb Ia 27 | Seerley Blvd | 0.2 Mi N Of University Av | 1994 | Map |
| 154.9ft | Sb Ia 27 | So Main St | .3 Mi S Of University Ave | 1993 | Map |
| 162.4ft | Nb Ia 27 | Waterloo Rd | 1.3 Mi. S Of Jct. Us 218 | 1995 | Map |
| 165.0ft | Ia 27 Sb | Us 218 | At Jct. U.S. 218 | 2002 | Map |
| 167.7ft | Nb Ia 27 | Ia 57 | At Jct. Ia 57 & Us 218 | 1994 | Map |
| 167.7ft | Ia 27 Sb | Ia 57 | At Jct. Ia. 57 & Us 218 | 1994 | Map |
| 169.3ft | Nb Ia 27 | So Main St | .3 Mi S Of University Ave | 1993 | Map |
| 169.9ft | Ia 27 | University Ave | 2.1 Mi. S Of U.S. 218 | 1993 | Map |
| 174.9ft | Sb Ia 27 | Seerley Blvd | 0.2 Mi N Of University Av | 1994 | Map |
| 175.9ft | Ia 27 Nb | Us 218 | At Jct. U.S. 218 | 2002 | Map |
| 179.1ft | Sb Ia 27 | 18Th St | 1.6 Mi. S Of Us 218 | 1994 | Map |
| 183.4ft | Nb Us 218 | Lincoln St & Overflo | 0.3 Mi. N Of Jct. Ia 57 | 1995 | Map |
| 195.9ft | Sb Ia 27 | Waterloo Rd | 1.3 Mi. S Of Jct. Us 218 | 1995 | Map |
| 231.0ft | Ia 27 Sb | 295Th St And Bnsf Rr | 0.5 Mi. N Of Sr J72 | 2001 | Map |
| 245.1ft | Nb Us 218 | Over Cc & P Rr | 0.5 Mi. N Of Jct. Ia 57 | 1995 | Map |
| 245.7ft | Ia 27 Nb | 295Th St And Bnsf Rr | 0.5 Mi. N Of Sr J72 | 2001 | Map |
| 260.2ft | Nb Ia 27 | Cedar River & Ia North R | 0.8 Mi. S Of Jct. Us 218 | 1995 | Map |
| 260.2ft | Sb Ia 27 | Cedar River & Rr | 0.8 Mi. S Of Jct. Us 218 | 1995 | Map |