170 ST over Trib Of Tarkio Rvr
Good Condition76 years old20 vehicles/day
Location
| State | Missouri |
| County | Atchison |
| Location | S 33 T 66 N R 39 W |
| Carries | 170 ST |
| Crosses | Trib Of Tarkio Rvr |
| Coordinates | 40.48052, -95.32974 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 20.7 ft (6.3 m) |
| Deck Area | 46.0 sq m |
| Main Spans | 1 |
| Year Built | 1950 (reconstructed 1986) |
Traffic
| Avg Daily Traffic | 20 (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 | 20671 |