230th Street over West Tarkio River
Good Condition33 years old34 vehicles/day
Location
| State | Iowa |
| County | Page |
| Location | 068391401 |
| Carries | 230th Street |
| Crosses | West Tarkio River |
| Coordinates | 40.71278, -95.28810 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 246.1 ft (75 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 622.5 sq m |
| Main Spans | 3 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 34 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000266031 |