FM over Big Sioux River
Fair Condition59 years old589 vehicles/day
Location
| State | Iowa |
| County | Plymouth |
| Location | 90948 |
| Carries | FM |
| Crosses | Big Sioux River |
| Coordinates | 42.62638, -96.51449 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 446.9 ft (136.2 m) |
| Max Span | 98.1 ft (29.9 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 1239.4 sq m |
| Main Spans | 5 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 589 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000272011 |