13 bridges with vertical clearance data on I-74 in Iowa. Lowest: 140.7ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 140.7ft | I-74 Wb | Middle Rd | 1.0 Mi. E Of Jct. Us 6 | 1971 | Map |
| 141.7ft | I-74 Eb | Middle Rd | 1.0 Mi. E Of Jct. Us 6 | 1971 | Map |
| 143.4ft | I 74 Eb | Us 6 (Spruce Hills) | 2.6 Mi. E Of Jct. I-80 | 1971 | Map |
| 145.0ft | I 74 Wb | Us 6 (Spruce Hills) | At Jct. Us 6 | 1971 | Map |
| 149.9ft | I 74 Eb Off Ramp | Mississippi Blvd | Eb. I-74 Ramp A To Us 6 7 | 2019 | Map |
| 151.6ft | Us67 To I74 Ramp | Mississippi Blvd | 4.3 Mi. S Of Jct. I-80 | 2019 | Map |
| 165.7ft | I 74 & Us 6 Wb | Us 67, Dme Rr, City Sts | 4.3 Mi. S Of Jct. I-80 | 2019 | Map |
| 165.7ft | I 74 Eb Us 6 Eb | Us 67, Rr, City Streets | 4.3 Mi. S Of Jct. I-80 | 2021 | Map |
| 168.3ft | I-74 Wb | I 80 | At Jct. I-80 | 1967 | Map |
| 173.2ft | I-74 Eb | I 80 | At Jct. I-80 | 1967 | Map |
| 225.7ft | I 74 Eb | Mississippi River | In Bettendorf | 2021 | Map |
| 260.8ft | I 74 Wb Ramp | Dme Rr & Bike Trail | 4.3 Mi. S Of Jct. I-80 | 2020 | Map |
| 285.8ft | I 74 Wb | Mississippi River | In Bettendorf | 2020 | Map |