US 18 & Ia 4 over W Fork Des Moines River
Good Condition61 years old4,890 vehicles/day
Location
| State | Iowa |
| County | Palo Alto |
| Location | 2.5 Mi E Of W Jct Ia 4 |
| Carries | US 18 & Ia 4 |
| Crosses | W Fork Des Moines River |
| Coordinates | 43.12647, -94.70727 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 244.1 ft (74.4 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 818.4 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 4,890 (2022) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000039140 |