180th Street over W Tarkio River
Fair Condition41 years old26 vehicles/day
Location
| State | Iowa |
| County | Page |
| Location | 069381601 |
| Carries | 180th Street |
| Crosses | W Tarkio River |
| Coordinates | 40.78600, -95.23210 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 144.0 ft (43.9 m) |
| Max Span | 56.1 ft (17.1 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 346.8 sq m |
| Main Spans | 3 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 26 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000267001 |