230th Street over Tarkio River
Fair Condition78 years old34 vehicles/day
Location
| State | Iowa |
| County | Page |
| Location | 068381601 |
| Carries | 230th Street |
| Crosses | Tarkio River |
| Coordinates | 40.71203, -95.21027 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 212.9 ft (64.9 m) |
| Max Span | 82.0 ft (25 m) |
| Deck Width | 23.3 ft (7.1 m) |
| Deck Area | 460.8 sq m |
| Main Spans | 3 |
| Year Built | 1948 |
Traffic
| Avg Daily Traffic | 34 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000265830 |