300 ST over Tarkio Rvr
Fair Condition39 years old70 vehicles/day
Location
| State | Missouri |
| County | Atchison |
| Location | S 4 T 63 N R 40 W |
| Carries | 300 ST |
| Crosses | Tarkio Rvr |
| Coordinates | 40.29219, -95.40803 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 186.0 ft (56.7 m) |
| Max Span | 74.1 ft (22.6 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 459.3 sq m |
| Main Spans | 3 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 70 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 24072 |