18 bridges with vertical clearance data on SR-100 in Iowa. Lowest: 148.3ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 148.3ft | Ia 100 Wb | Ellis Rd Silver Creek | 2.8 Mi. N Of Us 218/30 | 2016 | Map |
| 150.9ft | Ia 100 Eb | Ellis Rd Silver Creek | 2.8 Mi. N Of Us 218/30 | 2016 | Map |
| 154.9ft | Ia 100 Wb | 16Th Ave Access Rd | Ia-100/Us-30 Interchange | 2017 | Map |
| 161.7ft | Ia 100 Wb | Old Ferry Rd | 1.0 Mi Nw Of Jct Cr W36 | 2016 | Map |
| 162.4ft | Ia 100 Eb | Ushers Ferry Rd & Ck | Cedar Rapids | 2016 | Map |
| 164.0ft | Eb Coll Ia 100 | I-380 | 0.1 Mi. S Of Ia 100 | 1982 | Map |
| 165.0ft | Ia 100 Eb | Old Ferry Rd | 1.0 Mi Nw Of Jct Cr W36 | 2016 | Map |
| 165.7ft | Ia 100 | I-380 & Ccp Rr | At The Jct. I-380 | 1982 | Map |
| 166.7ft | Ia 100 | Center Point Rd | 0.2 Mi. E Of Jct. 380 | 1981 | Map |
| 169.3ft | Wb Coll Ia 100 | I-380 | 0.1 Mi. N Of Jct. 100 | 1982 | Map |
| 170.9ft | Ia 100Wb To Us30Eb | Us 30 Eb To Ia 100 Eb | 1 Mi S Ia100/Sr E48 Intch | 2018 | Map |
| 171.6ft | Ia 100 Wb | Ushers Ferry Rd & Ck | Cedar Rapids | 2016 | Map |
| 172.6ft | Ia 100 Eb | Us 30Wb/Us 218Nb On Ramp | Us 30 Ramp D | 2018 | Map |
| 179.1ft | Ia 100 Eb | 16Th Ave Access | Ia-100/Us-30 Interchange | 2017 | Map |
| 210.0ft | Ia 100 Wb | Us 30 | Us 30 Ramp H | 2018 | Map |
| 234.3ft | Wb Coll Ia 100 | Over Cc Rr & Bike Trail | 0.1 Mi. N Of Jct. Ia #100 | 1982 | Map |
| 242.5ft | Eb Coll Ia 100 | Over Cc Rr & Bike Path | 0.1 Mi. S Of Jct. Ia 100 | 1982 | Map |
| 255.9ft | Ia 100 | Cedar River & Ianr Rr | 1.7 Mi. Ne Of E36 | 2016 | Map |