US 20 EB over Boyer River
Good Condition8 years old2,425 vehicles/day
Location
| State | Iowa |
| County | Sac |
| Location | 1.9 Miles West Of US 71 |
| Carries | US 20 EB |
| Crosses | Boyer River |
| Coordinates | 42.47457, -95.18952 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 307.1 ft (93.6 m) |
| Max Span | 107.0 ft (32.6 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 1263.6 sq m |
| Main Spans | 3 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 2,425 (2022) |
| Truck Traffic | 37% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000046552 |