270th Street over Tarkio River
Fair Condition49 years old303 vehicles/day
Location
| State | Iowa |
| County | Page |
| Location | 067380503 |
| Carries | 270th Street |
| Crosses | Tarkio River |
| Coordinates | 40.65429, -95.22652 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 275.9 ft (84.1 m) |
| Max Span | 91.9 ft (28 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 824.2 sq m |
| Main Spans | 3 |
| Year Built | 1977 (reconstructed 2019) |
Traffic
| Avg Daily Traffic | 303 (2022) |
| Truck Traffic | 24% |
| 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 | 000000000264600 |