WB US 20 over Des Moines River
Fair Condition36 years old4,300 vehicles/day
Location
| State | Iowa |
| County | Webster |
| Location | 2.6 Mi. E Of US 169 |
| Carries | WB US 20 |
| Crosses | Des Moines River |
| Coordinates | 42.44854, -94.13377 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 675.9 ft (206 m) |
| Max Span | 147.0 ft (44.8 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 2719.2 sq m |
| Main Spans | 5 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 4,300 (2022) |
| Truck Traffic | 29% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000606090 |