Big Sioux River RD over Big Sioux River
Fair Condition30 years old1,121 vehicles/day
Location
| State | Iowa |
| County | Plymouth |
| Location | 0.5 Mi. N Of Jct. Ia 12 |
| Carries | Big Sioux River RD |
| Crosses | Big Sioux River |
| Coordinates | 42.83717, -96.56148 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 489.8 ft (149.3 m) |
| Max Span | 121.4 ft (37 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 1776.7 sq m |
| Main Spans | 4 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 1,121 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | Other State Agencies |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000603911 |